US209BL-AE-S08-R [UTC]
BATTERY PROTECTION IC WITH CELL-BALANCE FUNCTION;
| 型号： | US209BL-AE-S08-R |
| 厂家： | 
Unisonic Technologies |
| 描述： | BATTERY PROTECTION IC WITH CELL-BALANCE FUNCTION 局域网 |
| 文件： | 总10页 (文件大小：269K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
UNISONIC TECHNOLOGIES CO., LTD
UB209B
Preliminary
CMOS IC
BATTERY PROTECTION
IC WITH CELL-BALANCE
FUNCTION
SOP-8
DESCRIPTION
The UTC UB209B Series is a protection IC for
lithium-ion/lithium polymer rechargeable batteries,
including a high precision voltage detection circuit and a
delay circuit.
The UTC UB209B Series has a transmission function
and two types of cell-balance function so that users are
also able to configure a protection circuit with series
multi-cell.
TSSOP-8
FEATURES
* Settable delay time by external capacitor for output pin
* High-accuracy voltage detection circuit
* Two types of cell-balance function: charge/discharge
* Control charging, discharging, cell-balance by CTLC,
CTLD pins
* Low current consumption: 8.0µA max
* Wide range of operation temperature (-40°C~+85°C)
ORDERING INFORMATION
Ordering Number
Lead Free
Package
Packing
Halogen Free
UB209BL-xx-S08-R
UB209BL-xx-P08-R
UB209BG-xx-S08-R
UB209BG-xx-P08-R
SOP-8
Tape Reel
Tape Reel
TSSOP-8
Note: xx: Output Voltage, refer SERIAL CODE LIST.
UB209BG-xx-S08-R
(1)Packing Type
(1) R: Tape Reel
(2)Package Type
(2) S08: SOP-8, P08: TSSOP-8
(3)Output Voltage Code
(4)Green Package
(3) xx: Refer to SERIAL CODE LIST
(4) G: Halogen Free and Lead Free, L: Lead Free
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UB209B
Preliminary
CMOS IC
SERIAL CODE LIST
Overcharge Overcharge Cell-balance Cell-balance Overdischarge Overdischarge
Discharge
Cell-balance
Function
Detection
Voltage
[VCU](V)
4.100
Release
Voltage
[VCL](V)
4.000
3.750
3.500
4.100
3.900
4.100
3.600
3.700
4.050
4.150
Detection
Voltage
[VBU](V)
4.050
Release
Voltage
[VBL](V)
4.000
3.600
3.550
4.100
3.900
4.000
3.500
3.600
3.900
4.050
Detection
Voltage
[VDL](V)
2.50
Release
Voltage
[VDU](V)
2.70
Model Code
AA
AB
AC
AD
AE
AF
AG
AH
AI
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
3.800
3.650
2.00
2.50
3.900
3.550
2.50
2.70
4.250
4.200
2.50
3.00
4.000
3.950
2.50
2.70
UB209B
4.250
4.100
2.75
3.05
3.900
3.550
2.00
2.40
3.900
3.600
2.50
2.80
4.150
3.900
3.00
3.30
Yes
Yes
AJ
4.250
4.100
2.50
2.80
MARKING
SOP-8
TSSOP-8
PIN CONFIGURATION
CTLC
CTLD
VDD
1
2
3
4
8
7
CB
CO
6
5
DO
VSS
CDT
PIN DESCRIPTION
PIN NO.
PIN NAME
CTLC
DESCRIPTION
1
2
3
Pin for charge control
CTLD
Pin for discharge control
VDD
Connection pin for input positive power supply, for battery’s positive voltage
Connection pin to capacitor for overcharge detection delay, for over discharge detection
delay
4
CDT
5
6
7
8
VSS
DO
CO
CB
Input pin for negative power supply, Connection pin for battery’s negative voltage
Output pin for discharge control (Pch open drain output)
Output pin for charge control (Pch open drain output)
Output pin for cell-balance control (CMOS output)
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UB209B
Preliminary
CMOS IC
BLOCK DIAGRAM
CO
DO
Logic Control and Delay Circuit
8.31 MΩ
CDT
VDD
+
-
CB
Cell-balance
detection
comparator
+
-
CTLC
400 nA
Overcharge
detection
comparator
+
-
CTLD
400 nA
Overdischarge
detection
VSS
comparator
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UB209B
Preliminary
CMOS IC
ABSOLUTE MAXIMUM RATING (TA=25°C unless otherwise specified)
PARAMETER
SYMBOL
VDS
RATINGS
UNIT
V
Input Voltage Between VDD and VSS
CB Pin Output Voltage
CDT Pin Voltage
VSS-0.3 ~VSS+9.0
VSS-0.3 ~ VDD+0.3
VSS-0.3 ~ VDD+0.3
VDD-18 ~ VDD+0.3
VDD-18 ~ VDD+0.3
VSS-0.3 ~ VSS+18
VSS-0.3 ~ VSS+18
VCB
V
VCDT
VDO
V
DO Pin Output Voltage
CO Pin Output Voltage
CTLC Pin Input Voltage
CTLD Pin Input Voltage
V
VCO
V
VCTLC
VCTLD
V
V
SOP-8
mW
mW
°C
°C
Power Dissipation (Note 2)
PD
TSSOP-8
700
Operating Ambient Temperature
Storage Temperature
TOPR
TSTG
-40 ~ +85
-55 ~ +125
Notes: 1. Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
2. When mounted on board Size: 114.3mm×76.2mm×1.6mm.
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UB209B
Preliminary
CMOS IC
ELECTRICAL CHARACTERISTICS (TA=25°C unless otherwise specified)
Test
UNIT
PARAMETER
SYMBOL TEST CONDITIONS
MIN
TYP
MAX
circuit
Overcharge Detection Voltage
Overcharge Release Voltage
Cell-balance Detection Voltage
Cell-balance Release Voltage
Over Discharge Detection Voltage
Over Discharge Release Voltage
Detection Delay Time (Note 1)
Release Delay Time
VCU
VCL
VBU
VBL
VDL
VDU
VCU -0.05
VCL-0.05
VBU-0.05
VBL-0.05
VDL-0.10
VDU-0.10
50
VCU
VCL
VBU
VBL
VDL
VDU
100
10
VCU +0.05
VCL+0.05
VBU+0.05
VBL+0.05
VDL+0.10
VDU+0.10
150
V
V
1
1
1
1
1
1
2
2
V
V
V
V
tDET
tREL
CCDT=0.01µF
CCDT=0.01µF
ms
ms
5
15
CDT Pin Detection Voltage
(Note 1)
VCDET VDS=3.5V
Output Voltage of
VDS×0.65 VDS×0.70 VDS×0.75
V
V
3
Operating Voltage Between VDD and
VSS
VDSOP
1.5
8.0
CO, DO, CB Fixed
CTLC Pin H Voltage
VCTLCH VDS=3.5V
VCTLDH VDS=3.5V
VCTLCL VDS=3.5V
VCTLDL VDS=3.5V
VDS×0.55
VDS×0.55
VDS×0.10
VDS×0.10
VDS×0.90
VDS×0.90
VDS×0.45
VDS×0.45
V
V
V
V
4
4
4
4
CTLD Pin H Voltage
CTLC Pin L Voltage
CTLD Pin L Voltage
Current Consumption During
Operation (Note 2)
IOPE
VDS=3.5V
3.5
400
400
8.0
600
600
µA
nA
nA
5
6
6
VDS=3.5V,
VCTLC=3.5V
VDS=3.5V,
VCTLD=3.5V
Sink Current CTLC (Note 2)
Sink Current CTLD (Note 2)
ICTLCL
ICTLDL
200
200
Source Current CB
Sink Current CB
ICBH
ICBL
ICOH
ICOL
IDOH
IDOL
VCB=4.0V, VDS=4.5V
VCB=0.5V, VDS=3.5V
VCO=3.0V, VDS=3.5V
VCO=18V, VDS=4.5V
VDO=3.0V, VDS=3.5V
VDO=18V, VDS=1.8V
30
30
30
µA
µA
µA
µA
µA
µA
7
7
7
8
7
8
Source Current CO
Leakage Current CO
Source Current DO
Leakage Current DO
0.2
0.2
30
Notes: 1. In the UTC UB209B Series, users are able to set delay time for the output pins. By using the following
formula, delay time is calculated with the value of CDT pin’s resistance in the IC (RCDT) and the value of
capacitor set externally at the CDT pin (CCDT).
tD [s]=-ln(1-VCDET /VDS)×CCDT [µF]×RCDT [MΩ]
=-ln (1-0.7(Typ.) )×CCDT [µF]×8.31MΩ(Typ.)
=10.0MΩ(Typ.)×CCDT [µF]
In case of the capacitance of CDT pin CCDT=0.01µF, the output pin delay time tD is calculated by using the
above formula and as follows.
tD [s]=10.0MΩ (Typ.)×0.01µF=0.1s (Typ.)
Test the CDT pin detection voltage (VCDET) by test circuits shown in this datasheet after applying the power
supply while pulling-up the CTLC, CTLD pins to the level of VDD pin outside the IC.
2. In case of using CTLC, CTLD pins pulled-up to the level of VDD pin externally, the current flows into the VSS
pin (ISS) is calculated by the following formula.
I
SS=IOPE+ICTLCL+ICTLDL
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UB209B
Preliminary
CMOS IC
TEST CIRCUIT
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UB209B
Preliminary
CMOS IC
TEST CIRCUIT(Cont.)
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UB209B
Preliminary
CMOS IC
OPERATION
Figure 9 shows the operation transition of UTC UB209B.
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UB209B
Preliminary
CMOS IC
OPERATION (Cont.)
1. Normal Status
In the UTC UB209B, both of CO and DO pin get the VDD level; the voltage between VDD and VSS (VDS) is more
than the overdischarge detection voltage (VDL), and is less than the overcharge detection voltage (VCU) and
respectively, the CTLC pin input voltage (VCTLC) > the CTLC pin voltage “L” (VCTLCL), the CTLD pin input voltage
(VCTLD) > the CTLD pin voltage “L” (VCTLDL). This is the normal status.
2. Overcharge Status
In the UTC UB209B, the CO pin is in high impedance; when VDS gets VCU or more, or VCTLC gets VCTLCL or less.
This is the overcharge status.
If VDS gets the overcharge release voltage (VCL) or less, and VCTLC gets the CTLC pin voltage “H” (VCTLCH) or more,
the UTC UB209B releases the overcharge status to return to the normal status.
3. Overdischarge Status
In the UTC UB209B, the DO pin is in high impedance; when VDS gets VDL or less, or VCTLD gets VCTLDL or less.
This is the overdischarge status.
If VDS gets the overdischarge release voltage (VDU) or more, and VCTLD gets the CTLD pin voltage “H” (VCTLDH) or
more, the UTC UB209B releases the overdischarge status to return to the normal status.
4. Cell-balance Function
In the UTC UB209B, the CB pin gets the level of VDD pin; when VDS gets the cell-balance detection voltage (VBU
)
or more. This is the charge cell-balance function.
If VDS gets the cell-balance release voltage (VBL) or less again, the UTC UB209B sets the CB pin the level of VSS
pin.
In addition, the CB pin gets the level of VDD pin; when VDS is more than VDL, and VCTLD is VCTLDL or less. This is the
discharge cell-balance function.
If VCTLD gets VCTLDH or more, or VDS is VDL or less again, the UTC UB209B sets the CB pin the level of VSS
.
5. Delay Circuit
In the UTC UB209B, users are able to set delay time which is from detection of changes in VDS, VCTLC, VCTLD to
output to the CO, DO, CB pin.
For example in the detection of overcharge status, when VDS exceeds VCU, or VCTLC gets VCTLCH or less, charging
to CCDT starts via RCDT. If the voltage between CDT and VSS (VCDT) reaches the CDT pin detection voltage (VCDET),
the CO pin is in high impedance. The output pin delay time tD is calculated by the following formula.
tD [s]=10.0Mꢀ (Typ.)×CCDT [µF]
The electric charge in CCDT starts to be discharged when the delay time has finished.
The delay time that users have set for the CO pin, as seen above, is settable for each output pin DO, CB.
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UB209B
Preliminary
CMOS IC
TYPICAL APPLICATION CIRCUIT
EB+
1 kΩ
1 kΩ
CTLD1
CTLC1
CFET
DFET
VDD1
CB1
1 MΩ
1 MΩ
BAT1
UTC UB209B
(1)
0.1 µF
DO1
CDT1
VSS1
CO1
470 Ω
1 kΩ
1 kΩ
CTLD2
CTLC2
VDD2
CB2
BAT2
UTC UB209B
0.1 µF
(2)
DO2
CO2
1 kΩ
CDT2
VSS2
470 Ω
1 kΩ
CTLD3
CTLC3
VDD3
CB3
BAT3
UTC UB209B
(3)
0.1 µF
0.01 µF
DO3
CO3
CDT3
VSS3
470 Ω
510 kΩ
1 MΩ
510 kΩ
1 MΩ
EB-
Figure 10
Caution:
1. The above constants may be changed without notice.
2. The example of connection shown above and the constant do not guarantee proper operation. Perform thorough
evaluation using the actual application to set the constant.
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
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