BQ20Z90DBT-V110G4 [TI]
SBS 1.1-COMPLIANT GAS GAUGE ENABLED WITH IMPEDANCE TRACK TECHNOLOGY FOR USE WITH THE bq29330; SBS 1.1标准的电量监测计启用Impedance Track技术为使用的bq29330型号: | BQ20Z90DBT-V110G4 |
厂家: | TEXAS INSTRUMENTS |
描述: | SBS 1.1-COMPLIANT GAS GAUGE ENABLED WITH IMPEDANCE TRACK TECHNOLOGY FOR USE WITH THE bq29330 |
文件: | 总25页 (文件大小:496K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
bq20z90-V110
www.ti.com
SLUS743–NOVEMBER 2006
SBS 1.1-COMPLIANT GAS GAUGE ENABLED WITH IMPEDANCE TRACK™
TECHNOLOGY FOR USE WITH THE bq29330
FEATURES
Improved System Interaction
•
Patented Impedance Track™ Technology
Accurately Measures Available Charge in
Li-Ion and Li-Polymer Batteries
•
•
Optional Pulse Charging Feature for Improved
Charge Times
Drives 3-, 4- or 5-Segment LED Display for
Remaining Capacity Indication
•
•
•
Better than 1% Error Over Lifetime of the
Battery
•
•
•
Supports SHA-1 Authentication
Lifetime Data Logging
Instant Accuracy – No Learning Cycle
Required
30-Pin TSSOP (DBT)
Automatically adjusts for battery aging,
battery self discharge and temperature
inefficiencies
APPLICATIONS
•
•
•
Notebook PCs
Medical and Test Equipment
Portable Instrumentation
•
•
Supports the Smart Battery Specification SBS
V1.1
Works With the TI bq29330 Analog Front-End
(AFE) Protection IC to Provide Complete Pack
Electronics Solution
DESCRIPTION
The bq20z90-V110 SBS-compliant gas gauge IC,
incorporating
technology, is designed for battery-pack or in-system
installation. The bq20z90-V110 measures and
maintains an accurate record of available charge in
Li-ion or Li-polymer batteries using its integrated
•
•
•
•
•
Full Array of Programmable Voltage, Current,
and Temperature Protection Features
patented
Impedance
Track™
Integrated Time Base Removes Need for
External Crystal with Optional Crystal Input
Electronics for 7.2-V, 10.8-V or 14.4-V Battery
Packs With 50% Fewer External Components
high-performance
analog
peripherals.
The
bq20z90-V110 monitors capacity change, battery
impedance, open-circuit voltage, and other critical
parameters of the battery pack, and reports the
information to the system host controller over a
serial-communication bus. It is designed to work with
the bq29330 analog front-end (AFE) protection IC to
maximize functionality and safety, and minimize
component count and cost in smart battery circuits.
Based on a Powerful Low-Power RISC CPU
Core With High-Performance Peripherals
Integrated Field Programmable FLASH
Memory Eliminates the Need for External
Configuration Memory
•
Measures Charge Flow Using a
High-Resolution, 16-Bit Integrating
Delta-Sigma Converter
The Impedance Track technology continuously
analyzes the battery impedance, resulting in superior
gas-gauging accuracy. This enables remaining
capacity to be calculated with discharge rate,
temperature, and cell aging all accounted for during
each stage of every cycle.
–
–
Better Than 0.65 nVh of Resolution
Self-Calibrating
•
•
Uses 16-Bit Delta-Sigma Converter for
Accurate Voltage and Temperature
Measurements
Extensive Data Reporting Options For
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
IMPEDANCE TRACK is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2006, Texas Instruments Incorporated
bq20z90-V110
www.ti.com
SLUS743–NOVEMBER 2006
AVAILABLE OPTIONS
PACKAGE
TA
30-PIN TSSOP (DBT)
30-PIN TSSOP (DBT)
Tape & Reel
Tube
–40°C to
85°C
bq20z90DBT(1)
bq20z90DBTR(2)
(1) A single tube quantity is 50 units.
(2) A single reel quantity is 2000 units
SYSTEM PARTITIONING DIAGRAM
Discharge / Charge /
Pre-Charge FETs
Fuse
Pack +
16 Dig GPIO & Peripherals
8 Dig GPIO or Analog GPI
LDO +
Reset
Nch FET Drive
(Charge Pumps)
Precharge
Control
2.5V / 3.3V (LED)
Reset
32.768kHz
Watchdog &
32kHz Oscillator and 8MHz System Clock
SMBus
Protection Timing
HDQ
System Interface
I2C
System Interface
RAM Configuration, Status
and Control Registers
2k Bytes of
Data Flash
2k Bytes
of RAM
TOUT and LEDOUT
Power Support
6k x 22
24k x 22 Program
Flash
T1
Mask ROM
Analog Output Drive
Standard Delta-Sigma A to D Converter
Integrating Delta-Sigma A to D Converter
2-Tier Over Current
Protection
Pack -
TSSOP (DBT)
(TOP VIEW)
NC
1
2
3
30
29
28
27
26
25
24
23
VCELL-
VCELL+
NC
XALERT
SDATA
SCLK
CLKOUT
TS1
4
5
RBI
VCC
6
VSS
7
TS2
MRST
SRN
PRES
PFIN
8
22
21
20
9
SRP
SAFE
SMBD
NC
10
11
12
*VSS
LED5
LED4
LED3
LED2
LED1
19
18
17
16
SMBC
13
14
15
DISP
NC
NC - No internal connection
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TERMINAL FUNCTIONS
TERMINAL
I/O(1)
DESCRIPTION
NO.
1
NAME
NC
–
I
Not used— leave floating
2
XALERT
SDATA
SCLK
CLKOUT
TS1
Input from bq29330 XALERT output.
Data transfer to and from bq29330
Communication clock to the bq29330
3
I/O
I/O
O
I
4
5
32.768-kHz output for the bq29330. This pin should be directly connected to the AFE.
1st Thermistor voltage input connection to monitor temperature
6
7
TS2
I
2nd Thermistor voltage input connection to monitor temperature
8
PRES
I
Active low input to sense system insertion and typically requires additional ESD protection
Active low input to detect secondary protector output status and allows the bq20z90-V110 to report
the status of the 2nd level protection output
9
PFIN
I
10
11
12
13
SAFE
SMBD
NC
O
I/OD
–
Active high output to enforce additional level of safety protection; e.g., fuse blow.
SMBus data open-drain bidirectional pin used to transfer address and data to and from the bq20z90
Not used— leave floating
SMBC
I/OD
SMBus clock open-drain bidirectional pin used to clock the data transfer to and from the bq20z90
Display control for the LEDs. This pin is typically connected to bq29330 REG via a 100-kΩ resistor
and a push-button switch to VSS.
14
DISP
I
15
16
17
18
19
20
21
NC
–
O
O
O
O
O
–
Not used— leave floating
LED1
LED2
LED3
LED4
LED5
VSS
LED1 display segment that drives an external LED depending on the firmware configuration
LED2 display segment that drives an external LED depending on the firmware configuration
LED3 display segment that drives an external LED depending on the firmware configuration
LED4 display segment that drives an external LED depending on the firmware configuration
LED5 display segment that drives an external LED depending on the firmware configuration
Connected I/O pin to VSS
Connections to the top of a small-value sense resistor to monitor the battery charge- and
discharge-current flow
22
23
24
SRP
SRN
IA
IA
I
Connections to the bottom of a small-value sense resistor to monitor the battery charge- and
discharge-current flow
Master reset input that forces the device into reset when held low. Must be held high for normal
operation
MRST
25
26
VSS
VCC
P
P
Negative Supply Voltage
Positive Supply Voltage
Backup power to the bq20z90-V110 data registers during periods of low operating voltage. RBI
accepts a storage capacitor or a battery input.
27
RBI
P
28
29
30
NC
–
I
Not used— leave floating
VCELL+
VCELL-
Input from bq29330 used to read a scaled value of individual cell voltages
Input from bq29330 used to read a scaled value of individual cell voltages
I
(1) I = Input, IA = Analog input, I/O = Input/output, I/OD = Input/Open-drain output, O = Output, OA = Analog output, P = Power
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ABSOLUTE MAXIMUM RATINGS
over operating free-air temperature range (unless otherwise noted)(1)
RANGE
VCC relative to VSS
V(IOD) relative to VSS
VI relative to VSS
TA
Supply voltage range
–0.3 V to 2.75 V
–0.3 V to 6 V
Open-drain I/O pins
Input voltage range to all other pins
Operating free-air temperature range
Storage temperature range
–0.3 V to VCC + 0.3 V
–40°C to 85°C
Tstg
–65°C to 150°C
(1) Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings
only, and functional operation of the device at these or any other conditions beyond those indicated under recommended operating
conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
VCC = 2.4 V to 2.6 V, TA = –40°C to 85°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
2.5
MAX UNIT
VCC Supply voltage
2.4
2.6
V
No flash programming
400(1)
ICC Operating mode current
µA
bq20z90-V110 +
bq29330
475
Sleep mode
8(1)
51
I(SLP) Low-power storage mode current
µA
bq20z90-V110 +
bq29330
Output voltage low SMBC, SMBD, SDATA, SCLK, SAFE
IOL = 0.5 mA
IOL = 10 mA
IOH = –1 mA
0.4
0.4
V
V
V
VOL
LED1 – LED5
VOH Output high voltage, SMBC, SMBD, SDATA, SCLK, SAFE
VCC– 0.5
–0.3
VIL
VIH
CIN
Input voltage low SMBC, SMBD, SDATA, SCLK, XALERT,
PRES, PFIN
0.8
V
V
V
DISP
–0.3
2
0.8
6
Input voltage high SMBC, SMBD, SDATA, SCLK, XALERT,
PRES, PFIN
DISP
2
VCC + 0.3
V
Input capacitance
5
pF
V(AI1) Input voltage range VCELL+, VCELL-,TS1, TS2
V(AI2) Input voltage range SR1, SR2
- 0.2
– 0.20
8
0.8XVCC
0.20
V
Z(AI2) Input impedance VCELL+, VCELL-, TS1, TS2
Z(AI1) Input impedance SR1, SR2
0 V–1 V
0 V–1 V
MΩ
MΩ
2.5
(1) This value does not include the bq29330
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POWER-ON RESET
VCC = 2.4V to 2.6 V, TA = –40°C to 85°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
1.7
50
TYP
1.8
MAX UNIT
VIT–
Negative-going voltage input
Power-on reset hysteresis
1.9
V
VHYS
125
200
mV
POWER ON RESET BEHAVIOR
VS
FREE-AIR TEMPERATURE
1.81
1.8
1.79
1.78
1.77
1.76
-40
-20
0
20
40
60
80
TA - Free-Air Temperature - °C
INTEGRATING ADC (Coulomb Counter) CHARACTERISTICS
VCC = 2.4V to 2.6 V, TA = –40°C to 85°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
V(SR) = V(SRN) – V(SRP)
MIN
–0.2
TYP
MAX UNIT
V(SR)
Input voltage range, V(SRN) and V(SRP)
0.2
V
V(SROS) Input offset
10
0.007% 0.034%
µV
INL
Integral nonlinearity error
OSCILLATOR
VCC = 2.4 V to 2.6 V, TA = –40°C to 85°C (unless otherwise noted)
PARAMETER
HIGH FREQUENCY OSCILLATOR
f(OSC) Operating Frequency
TEST CONDITIONS
MIN
TYP
MAX UNIT
4.194
3%
2%
5
MHz
-3% 0.25%
-2% 0.25%
2.5
f(EIO) Frequency Error(1)(2)
TA = 20°C to 70°C
t(SXO) Start-up Time(3)
ms
LOW FREQUENCY OSCILLATOR
f(LOSC) Operating Frequency
32.768
-2.5% 0.25%
-1.5% 0.25%
KHz
2.5%
1.5%
f(LEIO) Frequency Error(2)(4)
TA = 20°C to 70°C
(1) The frequency error is measured from 4.194 MHz.
(2) The frequency drift is included and measured from the trimmed frequency at VCC = 2.5 V, TA = 25°C.
(3) The start-up time is defined as the time it takes for the oscillator output frequency to be within 1% of the specified frequency.
(4) The frequency error is measured from 32.768 kHz.
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OSCILLATOR (continued)
VCC = 2.4 V to 2.6 V, TA = –40°C to 85°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
(5)
t(LSXO) Start-up time
500
µs
(5) The start-up time is defined as the time it takes for the oscillator output frequency to be ± 3%.
DATA FLASH MEMORY CHARACTERISTICS
VCC = 2.4 V to 2.6 V, TA = –40°C to 85°C (unless otherwise noted)
PARAMETER
Data retention
Flash programming write-cycles
t(WORDPROG) Word programming time
I(DDdPROG) Flash-write supply current
TEST CONDITIONS
MIN
10
TYP
MAX UNIT
Years
(1)
(1)
(1)
(1)
tDR
See
See
See
See
20,000
Cycles
2
ms
5
10
mA
(1) Assured by design. Not production tested
REGISTER BACKUP
VCC = 2.4 V to 2.6 V, TA = –40°C to 85°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
I(RB)
RB data-retention input current
V(RB) > V(RBMIN), VCC < VIT-
1500
160
nA
V(RB) > V(RBMIN), VCC < VIT-, TA = 0°C
to 50°C
40
V(RB)
RB data-retention voltage(1)
1.7
V
(1) Specified by design. Not production tested.
6
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SLUS743–NOVEMBER 2006
SMBus TIMING SPECIFICATIONS
VCC = 2.4 V to 2.6 V, TA = –40°C to 85°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
fSMB
SMBus operating frequency
SMBus master clock frequency
Bus free time between start and stop
Hold time after (repeated) start
Repeated start setup time
Stop setup time
Slave mode, SMBC 50% duty cycle
10
100
kHz
fMAS
Master mode, no clock low slave extend
51.2
tBUF
4.7
4
tHD:STA
tSU:STA
tSU:STO
µs
4.7
4
Receive mode
Transmit mode
0
tHD:DAT
Data hold time
300
250
25
4.7
4
ns
tSU:DAT
tTIMEOUT
tLOW
Data setup time
Error signal/detect
Clock low period
Clock high period
(1)
See
35
ms
µs
(2)
tHIGH
See
50
25
(3)
tLOW:SEXT Cumulative clock low slave extend time
tLOW:MEXT Cumulative clock low master extend time
See
ms
ns
(4)
See
10
tF
Clock/data fall time
Clock/data rise time
(VILMAX– 0.15 V) to (VIHMIN + 0.15 V)
0.9 VCC to (VILMAX – 0.15 V)
300
1000
tR
(1) The bq20z90-V110 times out when any clock low exceeds tTIMEOUT
.
(2) tHIGH:MAX. is minimum bus idle time. SMBC = 1 for t > 50 µs causes reset of any transaction involving the bq20z90-V110 that is in
progress.
(3) tLOW:SEXT is the cumulative time a slave device is allowed to extend the clock cycles in one message from initial start to the stop.
(4) tLOW:MEXT is the cumulative time a master device is allowed to extend the clock cycles in one message from initial start to the stop.
SMBus TIMING DIAGRAM
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FEATURE SET
Primary (1st Level) Safety Features
The bq20z90-V110 supports a wide range of battery and system protection features that can easily be
configured. The primary safety features include:
•
•
•
•
•
•
•
•
Battery cell over/under voltage protection
Battery pack over/under voltage protection
2 independent charge overcurrent protection
3 independent discharge overcurrent protection
Short circuit protection
Over temperature protection
AFE Watchdog
Host Watchdog
Secondary (2nd Level) Safety Features
The secondary safety features of the bq20z90-V110 can be used to indicate more serious faults via the SAFE
(pin 10) pin. This pin can be used to blow an in-line fuse to permanently disable the battery pack from charging
or discharging. The secondary safety features include:
•
•
•
•
•
•
•
•
•
•
•
•
Safety over voltage
Battery cell imbalance
2nd level protection IC input
Safety over current
Safety over temperature
Open thermistor
Charge FET and Zero-Volt Charge FET fault
Discharge FET fault
Fuse blow failure detection
AFE Communication error
AFE Verification error
Internal flash data error
Charge Control Features
The bq20z90-V110 charge control features include:
•
Report the appropriate charging current needed for constant current charging and the appropriate charging
voltage needed for constant voltage charging to a smart charger using SMBus broadcasts.
•
Determine the chemical state of charge of each battery cell using Impedance Track™. Using cell balancing
algorithm, gradually decrease the differences in the cells' state of charge in a fully charged state. This
prevents high cells from overcharging, causing excessive degradation and also increases the usable pack
energy by preventing early charge termination.
•
•
•
•
•
Support Pre-charging/Zero-volt charging
Support Fast charging
Support Pulse charging
Support Charge Inhibit and Charge Suspend modes
Report charging faults and also indicate charging status via charge and discharge alarms.
Gas Gauging
The bq20z90-V110 uses the Impedance Track™ Technology to measure and calculate the available charge in
battery cells. The achievable accuracy is better than 1% error over the lifetime of the battery and there is no full
charge-discharge learning cycle required.
8
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FEATURE SET (continued)
See Theory and Implementation of Impedance Track Battery Fuel-Gauging Algorithm application note
(SLUA364) for further details.
LED Display
The bq20z90-V110 can drive a 3-, 4-, or 5- segment LED display for remaining capacity indication. The LED
drive current can be adjusted to 3mA, 4mA and 5mA digitally.
LifeTime Data Logging Features
The bq20z90-V110 offers a lifetime data logging array, where all important measurements are stored for
warranty and analysis purposes. The data monitored include:
•
•
•
•
•
•
•
•
•
•
•
•
•
Lifetime maximum temperature
Lifetime minimum temperature
Lifetime maximum battery cell voltage
Lifetime minimum battery cell voltage
Lifetime maximum battery pack voltage
Lifetime minimum battery pack voltage
Lifetime maximum charge current
Lifetime maximum discharge current
Lifetime maximum charge power
Lifetime maximum discharge power
Lifetime maximum average discharge current
Lifetime maximum average discharge power
Lifetime average temperature
Authentication
The bq20z90-V110 supports authentication by the host using SHA-1.
Power Modes
The bq20z90-V110 supports 3 different power modes to reduce power consumption:
•
•
•
In Normal Mode, the bq20z90-V110 performs measurements, calculations, protection decisions, and data
updates in 1 second intervals. Between these intervals, the bq20z90-V110 is in a reduced power stage.
In Sleep Mode, the bq20z90-V110 performs measurements, calculations, protection decisions, and data
updates in adjustable time intervals. Between these intervals, the bq20z90-V110 is in a reduced power stage.
In Shutdown Mode the bq20z90-V110 is completety disabled.
CONFIGURATION
Oscillator Function
The bq20z90-V110 fully integrates the system and processor oscillators and, therefore, requires no pins or
components for this feature.
System Present Operation
The bq20z90-V110 periodically verifies the PRES pin and detects that the battery is present in the system via a
low state on a PRES input. When this occurs, bq20z90-V110 enters normal operating mode. When the pack is
removed from the system and the PRES input is high, the bq20z90-V110 enters the battery-removed state,
disabling the charge, discharge and ZVCHG FETs. The PRES input is ignored and can be left floating when
non-removal mode is set in the data flash.
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FEATURE SET (continued)
BATTERY PARAMETER MEASUREMENTS
The bq20z90-V110 uses an integrating delta-sigma analog-to-digital converter (ADC) for current measurement,
and a second delta-sigma ADC for individual cell and battery voltage, and temperature measurement.
Charge and Discharge Counting
The integrating delta-sigma ADC measures the charge/discharge flow of the battery by measuring the voltage
drop across a small-value sense resistor between the SRP and SRN pins. The integrating ADC measures
bipolar signals from -0.25 V to 0.25 V. The bq20z90-V110 detects charge activity when VSR = V(SRP)-V(SRN)is
positive and discharge activity when VSR = V(SRP)-V(SRN) is negative. The bq20z90-V110 continuously integrates
the signal over time, using an internal counter. The fundamental rate of the counter is 0.65 nVh.
Voltage
The bq20z90-V110 updates the individual series cell voltages through the bq29330 at one second intervals. The
bq20z90-V110 configures the bq29330 to connect the selected cell, cell offset, or bq29330 VREF to the CELL
pin of the bq29330, which is required to be connected to VIN of the bq20z90. The internal ADC of the
bq20z90-V110 measures the voltage, scales it, and calibrates itself appropriately. This data is also used to
calculate the impedance of the cell for the Impedance Track™ gas-gauging.
Current
The bq20z90-V110 uses the SRP and SRN inputs to measure and calculate the battery charge and discharge
current using a 5 mΩ to 20 mΩ typ. sense resistor.
Wake Function
The bq20z90-V110 can exit sleep mode, if enabled, by the presence of a programmable level of current signal
across SRP and SRN.
Auto Calibration
The bq20z90-V110 provides an auto-calibration feature to cancel the voltage offset error across SRP and SRN
for maximum charge measurement accuracy. The bq20z90-V110 performs auto-calibration when the SMBus
lines stay low continuously for a minimum of a programmable amount of time.
Temperature
The bq20z90-V110 TS1 and TS2 inputs, in conjunction with two identical NTC thermistors (default are Semitec
103AT), measure the battery environmental temperature. The bq20z90-V110 can also be configured to use its
internal temperature sensor.
COMMUNICATIONS
The bq20z90-V110 uses SMBus v1.1 with Master Mode and package error checking (PEC) options per the SBS
specification.
SMBus On and Off State
The bq20z90-V110 detects an SMBus off state when SMBC and SMBD are logic-low for ≥ 2 seconds. Clearing
this state requires either SMBC or SMBD to transition high. Within 1 ms, the communication bus is available.
Table 1. SBS COMMANDS
SBS Cmd Mode Name
Format
Size in Min
Max
Default Value
Unit
Bytes
Value
Value
0x00
0x01
R/W
R/W
ManufacturerAccess
hex
2
2
0x0000
0
0xffff
—
RemainingCapacityAlarm
unsigned int
65535
300
mAh or
10mWh
0x02
R/W
RemainingTimeAlarm
unsigned int
2
0
65535
10
min
10
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FEATURE SET (continued)
Table 1. SBS COMMANDS (continued)
SBS Cmd Mode Name
Format
Size in Min
Max
Default Value
Unit
Bytes
Value
Value
0x03
0x04
0x05
0x06
0x07
0x08
0x09
0x0a
0x0b
0x0c
0x0d
0x0e
0x0f
R/W
R/W
R
BatteryMode
hex
2
2
2
2
2
2
2
2
2
1
1
1
2
0x0000
0xe383
32767
65534
65534
65535
65535
65535
32767
32767
100
—
—
—
—
—
—
—
—
—
—
—
—
—
AtRate
signed int
-32768
mA or 10mW
AtRateTimeToFull
AtRateTimeToEmpty
AtRateOK
unsigned int
unsigned int
unsigned int
unsigned int
unsigned int
signed int
0
min
min
R
0
R
0
R
Temperature
0
0.1°K
mV
mA
mA
%
R
Voltage
0
R
Current
-32768
R
AverageCurrent
MaxError
signed int
-32768
R
unsigned int
unsigned int
unsigned int
unsigned int
0
0
0
0
R
RelativeStateOfCharge
AbsoluteStateOfCharge
RemainingCapacity
100
%
R
100+
%
R/W
65535
mAh or
10mWh
0x10
R
FullChargeCapacity
unsigned int
2
0
65535
—
mAh or
10mWh
0x11
0x12
0x13
0x14
0x15
0x16
0x17
0x18
R
RunTimeToEmpty
AverageTimeToEmpty
AverageTimeToFull
ChargingCurrent
ChargingVoltage
BatteryStatus
unsigned int
unsigned int
unsigned int
unsigned int
unsigned int
unsigned int
unsigned int
unsigned int
2
2
2
2
2
2
2
2
0
65534
65534
65534
65534
65534
0xdbff
65535
65535
—
min
min
min
mA
mV
R
0
—
R
0
—
R
0
—
R
0
—
R
0x0000
—
R/W
R/W
CycleCount
0
0
—
DesignCapacity
4400
mAh or
10mWh
0x19
0x1a
0x1b
0x1c
0x20
0x21
0x22
0x23
0x2f
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
DesignVoltage
SpecificationInfo
ManufactureDate
SerialNumber
ManufacturerName
DeviceName
unsigned int
hex
2
0
65535
0xffff
—
14400
0x0031
01-Jan-1980
0x0001
Texas Inst.
bq20z90
LION
—
mV
2
0x0000
unsigned int
hex
2
—
ASCII
2
0x0000
0xffff
—
String
11+1
7+1
4+1
14+1
20+1
2
—
—
—
—
—
0
ASCII
ASCII
ASCII
ASCII
ASCII
mV
String
—
DeviceChemistry
ManufacturerData
Authenticate
String
—
String
—
String
—
—
0x3c
0x3d
0x3e
0x3f
CellVoltage4
unsigned int
unsigned int
unsigned int
unsigned int
65535
65535
65535
65535
—
R
CellVoltage3
2
0
—
mV
R
CellVoltage2
2
0
—
mV
R
CellVoltage1
2
0
—
mV
Table 2. EXTENDED SBS COMMANDS
SBS
Cmd
Mode Name
Format
Size in
Bytes
Min Value
Max Value Default
Value
Unit
0x45
0x46
0x4f
R
AFEData
String
hex
11+1
—
—
—
—
—
—
ASCII
R/W
R
FETControl
StateOfHealth
SafetyAlert
1
1
2
0x00
0
0x1e
100
0xffff
unsigned int
hex
%
0x50
R
0x0000
11
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SLUS743–NOVEMBER 2006
Table 2. EXTENDED SBS COMMANDS (continued)
SBS
Cmd
Mode Name
Format
Size in
Bytes
Min Value
Max Value Default
Value
Unit
0x51
0x52
0x53
0x54
0x55
0x57
0x58
0x5a
0x5d
0x60
0x61
0x62
0x63
0x64
0x65
0x66
0x70
0x71
0x77
0x78
0x79
0x7a
0x7b
0x7c
0x7d
0x7e
0x7f
R
SafetyStatus
hex
2
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0
0xffff
—
—
—
—
—
—
—
---
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
R
PFAlert
hex
2
0x9fff
0x9fff
0xf7f7
0xffff
R
PFStatus
hex
2
R
OperationStatus
ChargingStatus
hex
2
R
hex
2
R
ResetData
hex
2
0xffff
R
WDResetData
unsigned int
unsigned int
unsigned int
hex
2
65535
65535
65535
R
PackVoltage
2
0
mV
mV
R
AverageVoltage
UnSealKey
2
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
4
0x00000000 0xffffffff
0x00000000 0xffffffff
0x00000000 0xffffffff
0x00000000 0xffffffff
0x00000000 0xffffffff
0x00000000 0xffffffff
0x00000000 0xffffffff
FullAccessKey
hex
4
PFKey
hex
4
AuthenKey3
hex
4
AuthenKey2
hex
4
AuthenKey1
hex
4
AuthenKey0
hex
4
ManufacturerInfo
SenseResistor
String
unsigned int
hex
8+1
2
—
—
ASCII
0
65535
0xffff
—
µΩ
DataFlashSubClassID
DataFlashSubClassPage1
DataFlashSubClassPage2
DataFlashSubClassPage3
DataFlashSubClassPage4
DataFlashSubClassPage5
DataFlashSubClassPage6
DataFlashSubClassPage7
DataFlashSubClassPage8
2
0x0000
—
hex
32
32
32
32
32
32
32
32
hex
—
—
hex
—
—
hex
—
—
hex
—
—
hex
—
—
hex
—
—
hex
—
—
NOTE:
All reserved bits in data flash should be set to zero.
Table 3. DATA FLASH VALUES
Class
Subclass Subclass
ID
Offset Name
Data
Type
Min
Value
Max Value
Default
Value
Units
mV
s
1st Level
Safety
0
Voltage
Voltage
Voltage
Voltage
Voltage
Voltage
Voltage
Voltage
Voltage
0
COV Threshold
I2
3700
5000
240
4300
1st Level
Safety
0
0
0
0
0
0
0
0
2
COV Time
U1
I2
0
0
0
0
0
0
0
0
2
1st Level
Safety
3
COV Recovery
COV Delta
4400
200
3900
20
mV
mV
0.1°C
mV
s
1st Level
Safety
5
U1
U1
I2
1st Level
Safety
6
COV Temp. Hys
POV Threshold
POV Time
250
100
17500
2
1st Level
Safety
7
18000
240
1st Level
Safety
9
U1
I2
1st Level
Safety
10
12
POV Recovery
CUV Threshold
17000
3500
16000
2200
mV
mV
1st Level
Safety
I2
12
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SLUS743–NOVEMBER 2006
Table 3. DATA FLASH VALUES (continued)
Class
Subclass Subclass
ID
Offset Name
Data
Type
Min
Value
Max Value
240
Default
Value
Units
s
1st Level
Safety
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
3
16
Voltage
14
15
17
19
20
0
CUV Time
U1
0
2
1st Level
Safety
Voltage
CUV Recovery
I2
0
3600
16000
240
3000
11000
2
mV
mV
s
1st Level
Safety
Voltage
PUV Threshold
I2
0
1st Level
Safety
Voltage
PUV Time
U1
I2
0
1st Level
Safety
Voltage
PUV Recovery
0
16000
20000
240
12000
6000
2
mV
mA
s
1st Level
Safety
Current
OC (1st Tier) Chg
OC (1st Tier) Chg Time
OC Chg Recovery
OC (1st Tier) Dsg
OC (1st Tier) Dsg Time
OC Dsg Recovery
OC (2nd Tier) Chg
OC (2nd Tier) Chg Time
OC (2nd Tier) Dsg
OC (2nd Tier) Dsg Time
Current Recovery Time
AFE OC Dsg
I2
0
1st Level
Safety
Current
2
U1
I2
0
1st Level
Safety
Current
3
-1000
1000
20000
240
200
6000
2
mA
mA
s
1st Level
Safety
Current
5
I2
0
1st Level
Safety
Current
7
U1
I2
0
1st Level
Safety
Current
8
0
1000
20000
240
200
8000
2
mA
mA
s
1st Level
Safety
Current
10
12
13
15
16
17
18
19
21
22
23
0
I2
0
1st Level
Safety
Current
U1
I2
0
1st Level
Safety
Current
0
22000
240
8000
2
mA
s
1st Level
Safety
Current
U1
U1
H1
H1
I2
0
1st Level
Safety
Current
0
240
8
s
1st Level
Safety
Current
0x00
0x1f
0x12
0x0f
5
1st Level
Safety
Current
AFE OC Dsg Time
AFE OC Dsg Recovery
AFE SC Chg Cfg
AFE SC Dsg Cfg
AFE SC Recovery
Over Temp Chg
0x00
0x0f
1st Level
Safety
Current
10
1000
0xff
mA
1st Level
Safety
Current
H1
H1
I2
0x00
0x77
0x77
1
1st Level
Safety
Current
0x00
0xff
1st Level
Safety
Current
0
0
0
0
0
0
0
0
0
200
mA
0.1°C
s
1st Level
Safety
Temperature
Temperature
Temperature
Temperature
Temperature
Temperature
Host Comm
Voltage
I2
1200
240
550
2
1st Level
Safety
2
OT Chg Time
U1
I2
1st Level
Safety
3
OT Chg Recovery
Over Temp Dsg
1200
1200
240
500
600
2
0.1°C
0.1°C
s
1st Level
Safety
5
I2
1st Level
Safety
7
OT Dsg Time
U1
I2
1st Level
Safety
8
OT Dsg Recovery
Host Watchdog Timeout
SOV Threshold
1200
255
550
0
0.1°C
s
1st Level
Safety
0
U1
I2
2nd Level
Safety
0
20000
18000
mV
13
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SLUS743–NOVEMBER 2006
Table 3. DATA FLASH VALUES (continued)
Class
Subclass Subclass
ID
Offset Name
Data
Type
Min
Value
Max Value
240
Default
Value
Units
2nd Level
Safety
16
Voltage
2
3
4
6
7
9
0
2
3
5
0
2
3
5
6
8
0
2
0
1
2
3
4
0
2
SOV Time
U1
0
0
s
2nd Level
Safety
16
16
16
16
16
17
17
17
17
18
18
18
18
18
18
19
19
20
20
20
20
20
21
21
Voltage
Cell Imbalance Current
Cell Imbalance Fail Voltage
Cell Imbalance Time
Battery Rest Time
PFIN Detect Time
SOC Chg
I1
0
200
5
mA
2nd Level
Safety
Voltage
I2
0
5000
240
1000
mV
2nd Level
Safety
Voltage
U1
U2
U1
I2
0
0
s
2nd Level
Safety
Voltage
0
65535
240
1800
s
2nd Level
Safety
Voltage
0
0
s
2nd Level
Safety
Current
0
30000
240
10000
mA
2nd Level
Safety
Current
SOC Chg Time
SOC Dsg
U1
I2
0
0
s
2nd Level
Safety
Current
0
30000
240
10000
0
mA
2nd Level
Safety
Current
SOC Dsg Time
SOT Chg
U1
I2
0
s
2nd Level
Safety
Temperature
Temperature
Temperature
Temperature
Temperature
Temperature
FET Verification
FET Verification
AFE Verification
AFE Verification
AFE Verification
AFE Verification
AFE Verification
Fuse Verification
Fuse Verification
0
1200
240
650
0
0.1°C
2nd Level
Safety
SOT Chg Time
SOT Dsg
U1
I2
0
s
2nd Level
Safety
0
1200
240
750
0
0.1°C
2nd Level
Safety
SOT Dsg Time
Open Thermistor
Open Time
U1
I2
0
s
2nd Level
Safety
-1000
0
1200
240
-333
0
0.1°C
2nd Level
Safety
I1
s
2nd Level
Safety
FET Fail Limit
I2
0
500
20
0
mA
s
2nd Level
Safety
FET Fail Time
U1
U1
U1
U1
U1
U1
I2
0
240
2nd Level
Safety
AFE Check Time
AFE Fail Limit
0
255
0
s
2nd Level
Safety
0
255
10
20
6
2nd Level
Safety
AFE Fail Recovery Time
AFE Init Retry Limit
AFE Init Limit
0
255
s
2nd Level
Safety
0
255
2nd Level
Safety
0
255
20
2
2nd Level
Safety
Fuse Fail Limit
Fuse Fail Time
0
20
mA
s
2nd Level
Safety
U1
0
240
0
Charge Control 32
Charge Control 32
Charge Control 32
Charge Control 33
Charge Control 33
Charge Control 33
Charge Control 33
Charge Control 34
Charge Control 34
Charge Inhibit Cfg
Charge Inhibit Cfg
Charge Inhibit Cfg
Pre-Charge Cfg
Pre-Charge Cfg
Pre-Charge Cfg
Pre-Charge Cfg
Fast Charge Cfg
Fast Charge Cfg
0
2
4
0
2
4
6
0
2
Chg Inhibit Temp Low
Chg Inhibit Temp High
Temp Hys
I2
I2
I2
I2
I2
I2
I2
I2
I2
-400
1200
1200
100
0
0.1°C
0.1°C
0.1°C
mA
-400
450
10
0
Pre-chg Current
Pre-chg Temp
0
2000
1200
20000
20000
10000
20000
250
120
3000
3100
4000
16800
-400
0.1°C
mV
Pre-chg Voltage
Recovery Voltage
Fast Charge Current
Charging Voltage
0
0
0
0
mV
mA
mV
14
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SLUS743–NOVEMBER 2006
Table 3. DATA FLASH VALUES (continued)
Class
Subclass Subclass
ID
Offset Name
Data
Type
Min
Value
Max Value
Default
Value
Units
Charge Control 34
Charge Control 34
Charge Control 34
Charge Control 35
Charge Control 35
Charge Control 35
Charge Control 35
Charge Control 35
Charge Control 36
Charge Control 36
Charge Control 36
Charge Control 36
Charge Control 36
Charge Control 36
Charge Control 36
Charge Control 36
Charge Control 37
Charge Control 38
Charge Control 38
Charge Control 38
Charge Control 38
Charge Control 38
Charge Control 38
Charge Control 38
Charge Control 38
Charge Control 38
Charge Control 38
Charge Control 38
Charge Control 38
Charge Control 38
Fast Charge Cfg
Fast Charge Cfg
Fast Charge Cfg
Pulse Charge Cfg
Pulse Charge Cfg
Pulse Charge Cfg
Pulse Charge Cfg
Pulse Charge Cfg
Termination Cfg.
Termination Cfg.
Termination Cfg.
Termination Cfg.
Termination Cfg.
Termination Cfg.
Termination Cfg.
Termination Cfg.
Cell Balancing Cfg
Charging Faults
Charging Faults
Charging Faults
Charging Faults
Charging Faults
Charging Faults
Charging Faults
Charging Faults
Charging Faults
Charging Faults
Charging Faults
Charging Faults
Charging Faults
Data
4
Delta Temp
I2
0
500
50
0.1°C
6
Suspend Low Temp
Suspend High Temp
Turn ON Voltage
Turn OFF Voltage
Max ON Pulse Time
Min OFF Pulse Time
Max OFF Voltage
Maintenance Current
Taper Current
I2
-400
-400
0
1200
1200
5000
5000
240
-50
550
4150
4250
240
0
0.1°C
8
I2
0.1°C
0
I2
mV
2
I2
0
mV
4
U1
U1
I2
0
Seconds/4
5
0
240
Seconds/4
6
0
5000
1000
1000
1000
240
4270
0
mV
mA
mA
mV
s
0
I2
0
2
I2
0
250
300
40
6
Taper Voltage
I2
0
8
Current Taper Window
TCA Set %
U1
I1
0
9
-1
-1
-1
-1
0
100
-1
%
10
11
12
0
TCA Clear %
I1
100
95
%
FC Set %
I1
100
-1
%
FC Clear %
I1
100
98
%
Min Cell Deviation
Over Charging Voltage
Over Charging Volt Time
Over Charging Current
Over Charging Curr Time
Over Charging Curr Recov
Depleted Voltage
Depleted Voltage Time
Depleted Recovery
Over Charge Capacity
Over Charge Recovery
FC-MTO
U2
I2
65535
3000
240
1750
500
2
s/mAh
mV
s
0
0
2
U1
I2
0
3
0
2000
240
500
2
mA
s
5
U1
I2
0
6
0
2000
16000
240
100
8000
2
mA
mV
s
8
I2
0
10
11
13
15
17
19
21
0
U1
I2
0
0
16000
4000
100
8500
300
2
mV
mAh
mAh
s
I2
0
I2
0
U2
U2
H1
I2
0
65535
65535
0x3f
700
10800
3600
0x00
300
PC-MTO
0
s
Charge Fault Cfg
Rem Cap Alarm
0x00
0
SBS
Configuration
48
48
48
48
48
48
48
mAh
10mW
min
SBS
Configuration
Data
Data
Data
Data
Data
Data
2
Rem Energy Alarm
Rem Time Alarm
Init Battery Mode
Design Voltage
Spec Info
I2
0
1000
30
432
SBS
Configuration
4
U2
H2
I2
0
10
SBS
Configuration
6
0x0000
7000
0x0000
0
0xffff
18000
0xffff
65535
0x0081
14400
0x0031
0
SBS
Configuration
8
mV
SBS
Configuration
10
12
H2
U2
SBS
Manuf Date
Day +
Mo*32 +
(Yr
Configuration
-
1980)*256
SBS
Configuration
48
48
48
48
Data
Data
Data
Data
14
16
18
20
Ser. Num.
Cycle Count
CC Threshold
CC %
H2
U2
I2
0x0000
0xffff
65535
32767
100
0x0001
0
SBS
Configuration
0
Count
mAh
%
SBS
Configuration
100
0
4400
90
SBS
U1
Configuration
15
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SLUS743–NOVEMBER 2006
Table 3. DATA FLASH VALUES (continued)
Class
Subclass Subclass
ID
Offset Name
Data
Type
Min
Value
Max Value
100
Default
Value
Units
%
SBS
Configuration
48
Data
21
22
24
26
38
46
0
CF MaxError Limit
U1
0
0
0
-
100
SBS
Configuration
48
48
48
48
48
49
49
49
49
49
49
49
49
49
49
Data
Design Capacity
Design Energy
Manuf Name
I2
65535
65535
-
4400
6336
mAh
10mW
SBS
Configuration
Data
I2
SBS
Configuration
Data
S12
S8
S5
I1
Texas Inst.
ASCII
ASCII
ASCII
%
SBS
Configuration
Data
Device Name
-
-
bq20z90
SBS
Configuration
Data
Device Chemistry
TDA Set %
-
-
LION
6
SBS
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
Configuration
-1
-1
-1
-1
0
0
0
0
0
0
100
SBS
Configuration
1
TDA Clear %
I1
100
8
%
SBS
Configuration
2
FD Set %
I1
100
2
%
SBS
Configuration
3
FD Clear %
I1
100
5
%
SBS
Configuration
4
TDA Set Volt Threshold
TDA Set Volt Time
TDA Clear Volt
FD Set Volt Threshold
FD Volt Time
I2
16800
240
5000
5
mV
s
SBS
Configuration
6
U1
I2
SBS
Configuration
7
16800
16800
240
5500
5000
5
mV
mV
s
SBS
Configuration
9
I2
SBS
Configuration
11
12
U1
I2
SBS
FD Clear Volt
16800
5500
mV
Configuration
System Data
System Data
System Data
System Data
System Data
System Data
56
56
56
56
56
58
Manufacturer Data
Manufacturer Data
Manufacturer Data
Manufacturer Data
Manufacturer Data
Manufacturer Info
0
2
4
6
8
0
Pack Lot Code
PCB Lot Code
Firmware Version
Hardware Revision
Cell Revision
H2
H2
H2
H2
H2
S9
0x0000
0x0000
0x0000
0x0000
0x0000
-
0xffff
0xffff
0xffff
0xffff
0xffff
-
0x0000
0x0000
0x0000
0x0000
0x0000
Manuf. Info
0123456789
abcdef0123
System Data
System Data
System Data
System Data
System Data
System Data
System Data
System Data
System Data
System Data
System Data
System Data
System Data
System Data
59
59
59
59
59
59
59
59
59
59
59
59
59
60
Lifetime Data
Lifetime Data
Lifetime Data
Lifetime Data
Lifetime Data
Lifetime Data
Lifetime Data
Lifetime Data
Lifetime Data
Lifetime Data
Lifetime Data
Lifetime Data
Lifetime Data
0
Lifetime Max Temp
I2
I2
I2
I2
I2
I2
I2
I2
I2
I2
I2
I2
I2
I4
0
1400
300
0.1°C
0.1°C
mV
2
Lifetime Min Temp
-600
0
1400
200
4
Lifetime Max Cell Voltage
Lifetime Min Cell Voltage
Lifetime Max Pack Voltage
Lifetime Min Pack Voltage
Lifetime Max Chg Current
Lifetime Max Dsg Current
Lifetime Max Chg Power
Lifetime Max Dsg Power
Life Max AvgDsg Cur
Life Max AvgDsg Pow
Lifetime Avg Temp
32767
32767
32767
32767
32767
32767
32767
32767
32767
32767
1400
3500
3200
14000
12800
1500
-3000
1500
-1500
-1000
-1500
250
6
0
mV
8
0
mV
10
12
14
16
18
22
26
28
0
0
mV
-32768
-32768
-32768
-32768
-32768
-32768
-40
mA
mA
cWatt
cWatt
mA
cW
0.1°C
Count
Lifetime Temp
Samples
LT Temp Samples
0
140000000
0
Configuration
Configuration
64
64
Registers
Registers
0
2
Operation Cfg A
Operation Cfg B
H2
H2
0x0000
0x0000
0xffff
0xffff
0x0f29
0x6440
16
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SLUS743–NOVEMBER 2006
Table 3. DATA FLASH VALUES (continued)
Class
Subclass Subclass
ID
Offset Name
Data
Type
Min
Value
Max Value
Default
Value
Units
Configuration
Configuration
Configuration
LED Support
LED Support
LED Support
LED Support
LED Support
LED Support
LED Support
LED Support
LED Support
LED Support
LED Support
LED Support
LED Support
LED Support
LED Support
LED Support
LED Support
Power
64
64
64
67
67
67
67
67
67
67
67
67
67
67
67
67
67
67
67
67
68
68
68
68
68
68
68
68
68
68
68
80
80
80
80
80
80
80
81
Registers
Registers
Registers
LED Cfg
LED Cfg
LED Cfg
LED Cfg
LED Cfg
LED Cfg
LED Cfg
LED Cfg
LED Cfg
LED Cfg
LED Cfg
LED Cfg
LED Cfg
LED Cfg
LED Cfg
LED Cfg
LED Cfg
Power
4
Operation Cfg C
H2
H2
H2
U2
U2
U2
U1
I1
0x0000
0xffff
0xffff
0xffff
65535
65535
65535
255
0x0000
0x0000
0x0000
512
1024
100
4
6
Permanent Fail Cfg
Non-Removable Cfg
LED Flash Rate
LED Blink Rate
LED Delay
0x0000
8
0x0000
0
0
500us
500us
500us
sec
%
2
0
4
1
6
LED Hold Time
CHG Flash Alarm
CHG Thresh 1
0
7
-1
101
10
8
I1
-1
101
0
%
9
CHG Thresh 2
I1
-1
101
20
%
10
11
12
13
14
15
16
17
18
19
0
CHG Thresh 3
I1
-1
101
40
%
CHG Thresh 4
I1
-1
101
60
%
CHG Thresh 5
I1
-1
101
80
%
DSG Flash Alarm
DSG Thresh 1
I1
-1
101
10
%
I1
-1
101
0
%
DSG Thresh 2
I1
-1
101
20
%
DSG Thresh 3
I1
-1
101
40
%
DSG Thresh 4
I1
-1
101
60
%
DSG Thresh 5
I1
-1
101
80
%
Sink Current
U1
I2
0
3
3
Flash Update OK Voltage
Shutdown Voltage
Shutdown Time
Charger Present
Sleep Current
6000
5000
0
20000
20000
2440
23000
100
7500
7000
10
mV
mV
s
Power
Power
2
I2
Power
Power
4
U1
I2
Power
Power
5
0
3000
10
mV
mA
s
Power
Power
7
I2
0
Power
Power
9
Bus Low Time
U1
I2
0
255
5
Power
Power
10
12
14
15
16
0
Cal Inhibit Temp Low
Cal Inhibit Temp High
Sleep Voltage Time
Sleep Current Time
Wake Current Reg
Load Select
-400
-400
0
1200
1200
240
50
0.1°C
0.1°C
s
Power
Power
I2
450
5
Power
Power
U1
U1
H1
U1
U1
I2
Power
Power
0
255
20
s
Power
Power
0x00
0
0x07
255
0x00
3
Gas Gauging
Gas Gauging
Gas Gauging
Gas Gauging
Gas Gauging
Gas Gauging
Gas Gauging
Gas Gauging
IT Cfg
IT Cfg
1
Load Mode
0
255
0
IT Cfg
45
60
62
64
66
0
Term Voltage
-32768
2000
3000
0
32767
9000
14000
9000
14000
2000
12000
0
mV
IT Cfg
User Rate-mA
I2
mA
IT Cfg
User Rate-mW
Reserve Cap-mAh
Reserve Cap-mWh
Dsg Current Threshold
I2
0
10mW
mAh
10mWh
mA
IT Cfg
I2
0
IT Cfg
I2
0
0
Current
I2
0
100
Thresholds
Gas Gauging
Gas Gauging
Gas Gauging
Gas Gauging
81
81
81
81
Current
Thresholds
2
4
6
7
Chg Current Threshold
Quit Current
I2
0
0
0
0
2000
1000
255
50
10
1
mA
mA
s
Current
Thresholds
I2
Current
Thresholds
Dsg Relax Time
Chg Relax Time
U1
U1
Current
255
60
s
Thresholds
Gas Gauging
Gas Gauging
Gas Gauging
Gas Gauging
82
82
82
82
State
State
State
State
0
2
4
6
Qmax Cell 0
Qmax Cell 1
Qmax Cell 2
Qmax Cell 3
I2
I2
I2
I2
0
0
0
0
32767
32767
32767
32767
4400
4400
4400
4400
mAh
mAh
mAh
mAh
17
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SLUS743–NOVEMBER 2006
Table 3. DATA FLASH VALUES (continued)
Class
Subclass Subclass
ID
Offset Name
Data
Type
Min
Value
Max Value
Default
Value
Units
Gas Gauging
Gas Gauging
Gas Gauging
Gas Gauging
Gas Gauging
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
82
82
82
82
82
88
88
88
88
88
88
88
88
88
88
88
88
88
88
88
88
89
89
89
89
89
89
89
89
89
89
89
89
89
89
89
89
90
90
90
90
90
90
90
90
90
90
90
90
90
State
State
State
State
State
R_a0
R_a0
R_a0
R_a0
R_a0
R_a0
R_a0
R_a0
R_a0
R_a0
R_a0
R_a0
R_a0
R_a0
R_a0
R_a0
R_a1
R_a1
R_a1
R_a1
R_a1
R_a1
R_a1
R_a1
R_a1
R_a1
R_a1
R_a1
R_a1
R_a1
R_a1
R_a1
R_a2
R_a2
R_a2
R_a2
R_a2
R_a2
R_a2
R_a2
R_a2
R_a2
R_a2
R_a2
R_a2
8
Qmax Pack
I2
H1
I2
I2
I2
H2
I2
I2
I2
I2
I2
I2
I2
I2
I2
I2
I2
I2
I2
I2
I2
H2
I2
I2
I2
I2
I2
I2
I2
I2
I2
I2
I2
I2
I2
I2
I2
H2
I2
I2
I2
I2
I2
I2
I2
I2
I2
I2
I2
I2
0
32767
0x03
32767
32767
32767
0x0000
183
4400
0x00
-2000
-3022
0
mAh
12
21
23
25
0
Update Status
Avg I Last Run
Avg P Last Run
Delta Voltage
Cell0 R_a flag
Cell0 R_a 0
Cell0 R_a 1
Cell0 R_a 2
Cell0 R_a 3
Cell0 R_a 4
Cell0 R_a 5
Cell0 R_a 6
Cell0 R_a 7
Cell0 R_a 8
Cell0 R_a 9
Cell0 R_a 10
Cell0 R_a 11
Cell0 R_a 12
Cell0 R_a 13
Cell0 R_a 14
Cell1 R_a flag
Cell1 R_a 0
Cell1 R_a 1
Cell1 R_a 2
Cell1 R_a 3
Cell1 R_a 4
Cell1 R_a 5
Cell1 R_a 6
Cell1 R_a 7
Cell1 R_a 8
Cell1 R_a 9
Cell1 R_a 10
Cell1 R_a 11
Cell1 R_a 12
Cell1 R_a 13
Cell1 R_a 14
Cell2 R_a flag
Cell2 R_a 0
Cell2 R_a 1
Cell2 R_a 2
Cell2 R_a 3
Cell2 R_a 4
Cell2 R_a 5
Cell2 R_a 6
Cell2 R_a 7
Cell2 R_a 8
Cell2 R_a 9
Cell2 R_a 10
Cell2 R_a 11
0x00
-32768
-32768
-32768
0x0000
183
mA
cWatt
mV
0xff55
160
166
153
151
145
152
176
204
222
254
315
437
651
1001
1458
0xff55
160
166
153
151
145
152
176
204
222
254
315
437
651
1001
1458
0xff55
160
166
153
151
145
152
176
204
222
254
315
437
2
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
4
181
181
6
198
198
8
244
244
10
12
14
16
18
20
22
24
26
28
30
0
254
254
261
261
333
333
338
338
345
345
350
350
382
382
429
429
502
502
545
545
366
366
0x0000
183
0x0000
183
2
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
4
181
181
6
198
198
8
244
244
10
12
14
16
18
20
22
24
26
28
30
0
254
254
261
261
333
333
338
338
345
345
350
350
382
382
429
429
502
502
545
545
366
366
0x0000
183
0x0000
183
2
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
4
181
181
6
198
198
8
244
244
10
12
14
16
18
20
22
24
254
254
261
261
333
333
338
338
345
345
350
350
382
382
429
429
18
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SLUS743–NOVEMBER 2006
Table 3. DATA FLASH VALUES (continued)
Class
Subclass Subclass
ID
Offset Name
Data
Type
Min
Value
Max Value
Default
Value
Units
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
90
90
90
91
91
91
91
91
91
91
91
91
91
91
91
91
91
91
91
92
92
92
92
92
92
92
92
92
92
92
92
92
92
92
92
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
R_a2
26
28
30
0
Cell2 R_a 12
I2
I2
I2
H2
I2
I2
I2
I2
I2
I2
I2
I2
I2
I2
I2
I2
I2
I2
I2
H2
I2
I2
I2
I2
I2
I2
I2
I2
I2
I2
I2
I2
I2
I2
I2
H2
I2
I2
I2
I2
I2
I2
I2
I2
I2
I2
I2
I2
I2
I2
502
545
366
0x0
183
181
198
244
254
261
333
338
345
350
382
429
502
545
366
0xffff
183
181
198
244
254
261
333
338
345
350
382
429
502
545
366
0xffff
183
181
198
244
254
261
333
338
345
350
382
429
502
545
502
545
366
0x0
183
181
198
244
254
261
333
338
345
350
382
429
502
545
366
0xffff
183
181
198
244
254
261
333
338
345
350
382
429
502
545
366
0xffff
183
181
198
244
254
261
333
338
345
350
382
429
502
545
651
1001
1458
0xff55
160
166
153
151
145
152
176
204
222
254
315
437
651
1001
1458
0xffff
160
166
153
151
145
152
176
204
222
254
315
437
651
1001
1458
0xffff
160
166
153
151
145
152
176
204
222
254
315
437
651
1001
2^-10Ω
2^-10Ω
2^-10Ω
R_a2
Cell2 R_a 13
Cell2 R_a 14
Cell3 R_a flag
Cell3 R_a 0
R_a2
R_a3
R_a3
2
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
R_a3
4
Cell3 R_a 1
R_a3
6
Cell3 R_a 2
R_a3
8
Cell3 R_a 3
R_a3
10
12
14
16
18
20
22
24
26
28
30
0
Cell3 R_a 4
R_a3
Cell3 R_a 5
R_a3
Cell3 R_a 6
R_a3
Cell3 R_a 7
R_a3
Cell3 R_a 8
R_a3
Cell3 R_a 9
R_a3
Cell3 R_a 10
Cell3 R_a 11
Cell3 R_a 12
Cell3 R_a 13
Cell3 R_a 14
xCell0 R_a flag
xCell0 R_a 0
xCell0 R_a 1
xCell0 R_a 2
xCell0 R_a 3
xCell0 R_a 4
xCell0 R_a 5
xCell0 R_a 6
xCell0 R_a 7
xCell0 R_a 8
xCell0 R_a 9
xCell0 R_a 10
xCell0 R_a 11
xCell0 R_a 12
xCell0 R_a 13
xCell0 R_a 14
xCell1 R_a flag
xCell1 R_a 0
xCell1 R_a 1
xCell1 R_a 2
xCell1 R_a 3
xCell1 R_a 4
xCell1 R_a 5
xCell1 R_a 6
xCell1 R_a 7
xCell1 R_a 8
xCell1 R_a 9
xCell1 R_a 10
xCell1 R_a 11
xCell1 R_a 12
xCell1 R_a 13
R_a3
R_a3
R_a3
R_a3
R_a0x
R_a0x
R_a0x
R_a0x
R_a0x
R_a0x
R_a0x
R_a0x
R_a0x
R_a0x
R_a0x
R_a0x
R_a0x
R_a0x
R_a0x
R_a0x
R_a1x
R_a1x
R_a1x
R_a1x
R_a1x
R_a1x
R_a1x
R_a1x
R_a1x
R_a1x
R_a1x
R_a1x
R_a1x
R_a1x
R_a1x
2
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
4
6
8
10
12
14
16
18
20
22
24
26
28
30
0
2
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
4
6
8
10
12
14
16
18
20
22
24
26
28
19
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bq20z90-V110
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SLUS743–NOVEMBER 2006
Table 3. DATA FLASH VALUES (continued)
Class
Subclass Subclass
ID
Offset Name
Data
Type
Min
Value
Max Value
Default
Value
Units
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
Ra Table
PF Status
93
94
94
94
94
94
94
94
94
94
94
94
94
94
94
94
94
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
96
R_a1x
R_a2x
R_a2x
R_a2x
R_a2x
R_a2x
R_a2x
R_a2x
R_a2x
R_a2x
R_a2x
R_a2x
R_a2x
R_a2x
R_a2x
R_a2x
R_a2x
R_a3x
R_a3x
R_a3x
R_a3x
R_a3x
R_a3x
R_a3x
R_a3x
R_a3x
R_a3x
R_a3x
R_a3x
R_a3x
R_a3x
R_a3x
R_a3x
30
0
xCell1 R_a 14
I2
H2
I2
I2
I2
I2
I2
I2
I2
I2
I2
I2
I2
I2
I2
I2
I2
H2
I2
I2
I2
I2
I2
I2
I2
I2
I2
I2
I2
I2
I2
I2
I2
H2
366
0xffff
183
181
198
244
254
261
333
338
345
350
382
429
502
545
366
0xffff
183
181
198
244
254
261
333
338
345
350
382
429
502
545
366
0x0000
366
0xffff
183
181
198
244
254
261
333
338
345
350
382
429
502
545
366
0xffff
183
181
198
244
254
261
333
338
345
350
382
429
502
545
366
0x6fff
1458
0xffff
160
166
153
151
145
152
176
204
222
254
315
437
651
1001
1458
0xffff
160
166
153
151
145
152
176
204
222
254
315
437
651
1001
1458
0x0000
2^-10Ω
xCell2 R_a flag
xCell2 R_a 0
xCell2 R_a 1
xCell2 R_a 2
xCell2 R_a 3
xCell2 R_a 4
xCell2 R_a 5
xCell2 R_a 6
xCell2 R_a 7
xCell2 R_a 8
xCell2 R_a 9
xCell2 R_a 10
xCell2 R_a 11
xCell2 R_a 12
xCell2 R_a 13
xCell2 R_a 14
xCell3 R_a flag
xCell3 R_a 0
xCell3 R_a 1
xCell3 R_a 2
xCell3 R_a 3
xCell3 R_a 4
xCell3 R_a 5
xCell3 R_a 6
xCell3 R_a 7
xCell3 R_a 8
xCell3 R_a 9
xCell3 R_a 10
xCell3 R_a 11
xCell3 R_a 12
xCell3 R_a 13
xCell3 R_a 14
PF Flags 1
2
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
4
6
8
10
12
14
16
18
20
22
24
26
28
30
0
2
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
2^-10Ω
4
6
8
10
12
14
16
18
20
22
24
26
28
30
0
Device Status
Data
PF Status
PF Status
PF Status
PF Status
PF Status
PF Status
PF Status
PF Status
PF Status
96
96
96
96
96
96
96
96
96
Device Status
Data
2
Fuse Flag
H2
I2
0x0000
0xffff
32767
9999
9999
9999
9999
32767
9999
0xffff
0x0000
Device Status
Data
4
PF Voltage
0
0
mV
mV
mV
mV
mV
mA
0.1 K
Device Status
Data
6
PF C4 Voltage
PF C3 Voltage
PF C2 Voltage
PF C1 Voltage
PF Current
I2
0
0
Device Status
Data
8
I2
0
0
Device Status
Data
10
12
14
16
18
I2
0
0
Device Status
Data
I2
0
0
Device Status
Data
I2
-32768
-9999
0x0000
0
Device Status
Data
PF Temperature
PF Batt Stat
I2
0
Device Status
Data
H2
0x0000
20
Submit Documentation Feedback
bq20z90-V110
www.ti.com
SLUS743–NOVEMBER 2006
Table 3. DATA FLASH VALUES (continued)
Class
Subclass Subclass
ID
Offset Name
Data
Type
Min
Value
Max Value
32767
32767
0xffff
Default
Value
Units
mAh
PF Status
PF Status
PF Status
PF Status
PF Status
96
96
96
96
96
Device Status
Data
20
22
24
26
28
PF RC-mAh
I2
0
0
Device Status
Data
PF RC-10mWh
PF Chg Status
PF Safety Status
PF Flags 2
I2
0
0
cWattHr
Device Status
Data
H2
H2
H2
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
Device Status
Data
0xffff
Device Status
Data
0x8000
PF Status
PF Status
PF Status
PF Status
PF Status
PF Status
PF Status
PF Status
PF Status
Calibration
Calibration
Calibration
Calibration
Calibration
Calibration
Calibration
Calibration
Calibration
Calibration
Calibration
Calibration
Calibration
Calibration
Calibration
Calibration
Calibration
Calibration
Calibration
Calibration
Calibration
Calibration
Calibration
Calibration
Calibration
Calibration
Calibration
Calibration
Calibration
Calibration
Calibration
Calibration
Calibration
97
AFE Regs
AFE Regs
AFE Regs
AFE Regs
AFE Regs
AFE Regs
AFE Regs
AFE Regs
AFE Regs
Data
0
AFE Status
AFE Output
AFE State
H1
H1
H1
H1
H1
H1
H1
H1
H1
F4
F4
I2
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0.1
0xff
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0.9419
280932.6
24500
22050
-1667
0
97
1
0xff
97
2
0xff
97
3
AFE Function
AFE Cell Select
AFE OLV
0xff
97
4
0xff
97
5
0xff
97
6
AFE OLT
0xff
97
7
AFE SCC
0xff
97
8
AFE SCD
0xff
104
104
104
104
104
104
104
104
104
105
105
105
105
105
105
105
105
105
106
106
106
106
106
106
106
106
106
106
106
106
107
107
107
0
CC Gain
4
Data
4
CC Delta
29826
0
1193046
32767
32767
32767
32767
127
Data
8
Ref Voltage
AFE Pack Gain
CC Offset
50µV
Data
12
14
16
18
19
20
0
I2
0
µV/cnt
Data
I2
-32768
-32767
-128
-128
-128
0
Data
Board Offset
Int Temp Offset
Ext1 Temp Offset
Ext2 Temp Offset
CC Current
Voltage Signal
Temp Signal
CC Offset Time
ADC Offset Time
CC Gain Time
Voltage Time
Temperature Time
Cal Mode Timeout
Ext Coef 1
I2
Data
I1
0
Data
I1
127
0
Data
I1
127
0
Config
I2
32767
32767
32767
65535
65535
65535
65535
65535
65535
32767
32767
32767
32767
32767
32767
32767
32767
32767
32767
32767
32767
255
3000
16800
2980
250
mA
Config
2
I2
0
mV
Config
4
I2
0
0.1°C
Config
6
U2
U2
U2
U2
U2
U2
I2
0
ms
Config
8
0
32
ms
Config
10
12
14
17
0
0
250
ms
Config
0
1984
32
ms
Config
0
s
Config
0
38400
-28285
20848
-7537
4012
0
1/128 s
Temp Model
Temp Model
Temp Model
Temp Model
Temp Model
Temp Model
Temp Model
Temp Model
Temp Model
Temp Model
Temp Model
Temp Model
Current
-32768
-32768
-32768
-32768
-32768
-32768
-32768
-32768
-32768
-32768
-32768
-32768
0
s
s
s
s
s
s
s
s
s
s
s
s
2
Ext Coef 2
I2
4
Ext Coef 3
I2
6
Ext Coef 4
I2
8
Ext Min AD
Ext Max Temp
Int Coef 1
I2
10
12
14
16
18
20
22
0
I2
4012
0
I2
Int Coef 2
I2
0
Int Coef 3
I2
-11136
5754
0
Int Coef 4
I2
Int Min AD
I2
Int Max Temp
Filter
I2
5754
239
U1
U1
U1
Current
1
Deadband
0
255
3
mA
Current
2
CC Deadband
0
255
34
294 nV
21
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bq20z90-V110
www.ti.com
SLUS743–NOVEMBER 2006
22
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PACKAGE OPTION ADDENDUM
www.ti.com
8-Jan-2007
PACKAGING INFORMATION
Orderable Device
BQ20Z90DBT-V110
Status (1)
ACTIVE
ACTIVE
ACTIVE
ACTIVE
Package Package
Pins Package Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3)
Qty
Type
Drawing
SM8
DBT
30
30
30
30
60 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR
no Sb/Br)
BQ20Z90DBT-V110G4
BQ20Z90DBTR-V110
BQ20Z90DBTR-V110G4
SM8
SM8
SM8
DBT
DBT
DBT
60 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR
no Sb/Br)
2000 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR
no Sb/Br)
2000 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR
no Sb/Br)
(1) The marketing status values are defined as follows:
ACTIVE: Product device recommended for new designs.
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in
a new design.
PREVIEW: Device has been announced but is not in production. Samples may or may not be available.
OBSOLETE: TI has discontinued the production of the device.
(2)
Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check
http://www.ti.com/productcontent for the latest availability information and additional product content details.
TBD: The Pb-Free/Green conversion plan has not been defined.
Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements
for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered
at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.
Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and
package, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHS
compatible) as defined above.
Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame
retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material)
(3)
MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder
temperature.
Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is
provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the
accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take
reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on
incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited
information may not be available for release.
In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI
to Customer on an annual basis.
Addendum-Page 1
IMPORTANT NOTICE
Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications,
enhancements, improvements, and other changes to its products and services at any time and to
discontinue any product or service without notice. Customers should obtain the latest relevant information
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TI warrants performance of its hardware products to the specifications applicable at the time of sale in
accordance with TI’s standard warranty. Testing and other quality control techniques are used to the extent
TI deems necessary to support this warranty. Except where mandated by government requirements, testing
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TI assumes no liability for applications assistance or customer product design. Customers are responsible
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www.ti.com/audio
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