TPS3806J20QDBVRQ1 [TI]

IC POWER SUPPLY SUPPORT CKT, Power Management Circuit;
TPS3806J20QDBVRQ1
型号: TPS3806J20QDBVRQ1
厂家: TEXAS INSTRUMENTS    TEXAS INSTRUMENTS
描述:

IC POWER SUPPLY SUPPORT CKT, Power Management Circuit

光电二极管
文件: 总15页 (文件大小:786K)
中文:  中文翻译
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TPS3806I33-Q1  
TPS3806J20-Q1  
www.ti.com  
SLVSBW8 MARCH 2013  
Dual Voltage Detector With Adjustable Hysteresis  
Check for Samples: TPS3806I33-Q1, TPS3806J20-Q1  
1
FEATURES  
DESCRIPTION  
Qualified for Automotive Applications  
The TPS3806I33-Q1 integrates two independent  
voltage detectors for battery voltage monitoring.  
During power on, the device asserts RESET and  
RSTSENSE when supply voltage VDD or the voltage  
at the LSENSE input becomes higher than 0.8 V.  
Thereafter, the supervisory circuit monitors VDD and  
LSENSE, keeping RESET and RSTSENSE active as  
long as VDD and LSENSE remain below the threshold  
voltage, VIT. As soon as VDD or LSENSE rises above  
the threshold voltage VIT, the device deasserts  
AEC-Q100 Qualified With the Following  
Results:  
Device Temperature Grade 1: –40°C to  
125°C Ambient Operating Temperature  
Range  
Device HBM ESD Classification Level H2  
Device CDM ESD Classification Level C4B  
Dual Voltage Detector With Adjustable  
Hysteresis, 3.3-V Adjustable and 2-V  
Adjustable  
RESET  
or  
RSTSENSE,  
respectively.  
The  
TPS3806I33-Q1 device has a fixed-sense threshold  
voltage VIT set by an internal voltage divider at VDD  
and an adjustable second-LSENSE input. In addition,  
one can set an upper voltage threshold at HSENSE  
Assured Reset at VDD = 0.8 V  
Supply Current: 3 µA Typical at VDD = 3.3 V  
Independent Open-Drain Reset Outputs  
6-Pin SOT-23 Package  
to  
allow  
a
wide  
adjustable  
hysteresis window.  
The devices are available in  
a
6-pin SOT-23  
package. Characterization of the TPS3806I33-Q1  
device is for operation over a temperature range of  
–40°C to 125°C.  
APPLICATIONS  
Voltage Supervisor  
Voltage Detector  
Battery Monitor  
TPS3806I33-Q1  
DBV PACKAGE  
(TOP VIEW)  
1
6
5
4
HSENSE  
RSTSENSE  
GND  
2
3
LSENSE  
VDD  
RESET  
R4  
R5  
V
DD  
RESET  
TPS3806I33-Q1  
R1  
R2  
LSENSE  
RSTSENSE  
3.6 V  
Li-lon  
Cell  
HSENSE  
GND  
R3  
Typical Operating Circuit  
1
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.  
PRODUCT PREVIEW information concerns products in the  
formative or design phase of development. Characteristic data and  
other specifications are design goals. Texas Instruments reserves  
the right to change or discontinue these products without notice.  
Copyright © 2013, Texas Instruments Incorporated  
TPS3806I33-Q1  
TPS3806J20-Q1  
SLVSBW8 MARCH 2013  
www.ti.com  
This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with  
appropriate precautions. Failure to observe proper handling and installation procedures can cause damage.  
ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more  
susceptible to damage because very small parametric changes could cause the device not to meet its published specifications.  
Table 1. ORDERING INFORMATION(1)  
TA  
PACKAGE  
QUANTITY  
PART NUMBER  
TOP-SIDE SYMBOL  
PZHQ  
STATUS  
Active  
TPS3806I33QDBVRQ1  
TPS3806J20QDBVRQ1  
–40°C to  
125°C  
DBV (SOT-23)  
Reel of 3000  
PZZQ  
Preview  
(1) For the most-current package and ordering information, see the Package Option Addendum located at the end of this data sheet or refer  
to the TI Web site at www.ti.com.  
TPS380  
6
I
33 DBV R  
Reel  
Package  
Nominal Supply Voltage  
Nominal Threshold Voltage  
Functionality  
Family  
ABSOLUTE MAXIMUM RATINGS  
over operating free-air temperature range (unless otherwise noted)(1)  
TPS3806J20-Q1, TPS3806I33-Q1  
UNIT  
V
(2)  
Supply voltage, VDD  
7
All other pins(2)  
–0.3 to 7  
V
Maximum low-output current, IOL  
Maximum high-output current, IOH  
5
–5  
mA  
mA  
mA  
mA  
°C  
Input clamp current, IIK (VI < 0 or VI > VDD  
)
±10  
Output clamp current, IOK (VO < 0 or VO > VDD  
Operating free-air temperature range, TA  
Storage temperature range, Tstg  
)
±10  
–40 to 125  
–65 to 150  
2
°C  
Human-body model (HBM) AEC-Q100  
Classification Level H2  
kV  
Electrostatic discharge rating, ESD  
Charged-device model (CDM) AEC-Q100  
Classification Level C4B  
750  
V
(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.  
(2) All voltage values are with respect to GND. For reliable operation, the device must not be continuously operated at 7 V for more than  
t = 1000 h.  
2
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TPS3806I33-Q1  
TPS3806J20-Q1  
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SLVSBW8 MARCH 2013  
THERMAL INFORMATION  
TPS3806J20-Q1,  
TPS3806I33-Q1  
THERMAL METRIC(1)  
UNIT  
DBV  
6 PINS  
188.9  
θJA  
Junction-to-ambient thermal resistance(2)  
Junction-to-case (top) thermal resistance(3)  
Junction-to-board thermal resistance(4)  
Junction-to-top characterization parameter(5)  
Junction-to-board characterization parameter(6)  
Junction-to-case (bottom) thermal resistance(7)  
°C/W  
°C/W  
°C/W  
°C/W  
°C/W  
°C/W  
θJCtop  
θJB  
130.9  
34.2  
ψJT  
25.4  
ψJB  
33.8  
θJCbot  
N/A  
(1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.  
(2) The junction-to-ambient thermal resistance under natural convection is obtained in a simulation on a JEDEC-standard, high-K board, as  
specified in JESD51-7, in an environment described in JESD51-2a.  
(3) The junction-to-case (top) thermal resistance is obtained by simulating a cold plate test on the package top. No specific JEDEC-  
standard test exists, but a close description can be found in the ANSI SEMI standard G30-88.  
(4) The junction-to-board thermal resistance is obtained by simulating in an environment with a ring cold plate fixture to control the PCB  
temperature, as described in JESD51-8.  
(5) The junction-to-top characterization parameter, ψJT, estimates the junction temperature of a device in a real system and is extracted  
from the simulation data for obtaining θJA, using a procedure described in JESD51-2a (sections 6 and 7).  
(6) The junction-to-board characterization parameter, ψJB, estimates the junction temperature of a device in a real system and is extracted  
from the simulation data for obtaining θJA , using a procedure described in JESD51-2a (sections 6 and 7).  
(7) The junction-to-case (bottom) thermal resistance is obtained by simulating a cold plate test on the exposed (power) pad. No specific  
JEDEC standard test exists, but a close description can be found in the ANSI SEMI standard G30-88.  
Spacer  
RECOMMENDED OPERATING CONDITIONS  
MIN  
1.3  
0
MAX  
6
UNIT  
V
Supply voltage, VDD  
Input voltage, VI  
VDD + 0.3  
125  
V
Operating free-air temperature range, TA  
–40  
°C  
Copyright © 2013, Texas Instruments Incorporated  
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TPS3806I33-Q1  
TPS3806J20-Q1  
SLVSBW8 MARCH 2013  
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ELECTRICAL CHARACTERISTICS  
over recommended operating free-air temperature range (unless otherwise noted)  
PARAMETER  
TEST CONDITIONS  
VDD = 1.5 V, IOL = 1 mA  
VDD = 3.3 V, IOL = 2 mA  
VDD = 6 V, IOL = 3 mA  
MIN  
TYP  
MAX  
UNIT  
VOL  
Low-level output voltage  
0.3  
V
V
V
Power-up reset voltage(1)  
VDD 0.8 V, IOL = 50 µA  
0.2  
1.216  
1.813  
3.022  
1.226  
1.828  
3.048  
1.231  
1.836  
3.06  
LSENSE  
1.198 1.207  
TPS3806J20-Q1  
TPS3806I33-Q1  
LSENSE  
TA = 25°C  
1.787  
2.978  
1.8  
3
1.188 1.207  
Negative-going  
VIT  
TPS3806J20-Q1  
TPS3806I33-Q1  
LSENSE  
TA = 0°C to 70°C  
TA = –40°C to 125°C  
1.772  
2.952  
1.8  
3
V
input threshold voltage(2)  
1.183 1.207  
TPS3806J20-Q1  
TPS3806I33-Q1  
1.764  
2.94  
1.8  
3
V
1.2 V < VIT < 2.5 V  
2.5 V < VIT < 3.5 V  
60  
90  
Vhys Hysteresis  
mV  
II  
Input current  
LSENSE, HSENSE  
–25  
25  
300  
5
nA  
nA  
IOH  
High-level output current  
VDD = VIT + 0.2 V, VOH = VDD  
VDD = 3.3 V, Output unconnected  
VDD = 6 V, Output unconnected  
VI = 0 V to VDD  
3
4
1
IDD  
Ci  
Supply current  
µA  
pF  
6
Input capacitance  
(1) The lowest supply voltage at which RESET becomes active. tr,VDD 15 µs/V  
(2) To ensure best stability of the threshold voltage, place a bypass capacitor (ceramic, 0.1 µF) near the supply terminals.  
SWITCHING CHARACTERISTICS  
at RL = 1 M, CL = 50 pF, TA = –40°C to 125°C  
PARAMETER  
TEST CONDITIONS  
MIN  
TYP  
MAX  
UNIT  
VDD to RESET delay  
Propagation (delay) time,  
high-to-low-level output  
tPHL  
5
100  
µs  
LSENSE to RSTSENSE delay  
VDD to RESET delay  
VIH = 1.05 x VIT,  
VIL = 0.95 x VIT  
Propagation (delay) time,  
low-to-high-level output  
tPLH  
5
100  
µs  
HSENSE to RSTSENSE delay  
TIMING REQUIREMENTS  
at RL = 1 M, CL = 50 pF, TA = –40°C to 125°C  
PARAMETER  
TEST CONDITIONS  
MIN  
5.5  
TYP  
MAX  
UNIT  
At VDD  
tw  
Pulse duration  
VIH = 1.05 x VIT, VIL = 0.95 x VIT  
µs  
At SENSE  
4
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Product Folder Links: TPS3806I33-Q1 TPS3806J20-Q1  
TPS3806I33-Q1  
TPS3806J20-Q1  
www.ti.com  
SLVSBW8 MARCH 2013  
V
DD  
V
IT(HSENSE)  
V
IT(LSENSE)  
V ,V +V  
IT DD hys  
V (V  
)
IT DD  
0.8 V  
RSTSENSE  
RESET  
= Undefined  
Table 2. TERMINAL FUNCTIONS  
TERMINAL  
I/O  
DESCRIPTION  
NAME  
NO.  
2
GND  
I
I
Ground  
HSENSE  
LSENSE  
RESET  
RSTSENSE  
VDD  
6
Adjustable hysteresis input  
Adjustable sense input  
5
I
3
O
O
I
Active-low open-drain reset output (from VDD  
Active-low open-drain reset output (from LSENSE)  
Input supply voltage and fixed sense input  
)
1
4
FUNCTION AND TRUTH TABLE  
TPS3806I33-Q1  
VDD > VIT  
RESET  
LSENSE > VIT  
RSTSENSE  
0
1
L
0
1
L
H
H
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TPS3806I33-Q1  
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SLVSBW8 MARCH 2013  
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FUNCTIONAL BLOCK DIAGRAM  
TPS3806  
LSENSE  
HSENSE  
RSTSENSE  
RESET  
_
+
R1  
_
V
DD  
+
R2  
GND  
Reference  
Voltage of  
1.207 V  
Detailed Description  
Operation  
The TPS3806I33-Q1 monitors battery voltage and asserts RESET when a battery becomes discharged below a  
certain threshold voltage. A comparator monitors the battery voltage via an external resistor divider. When the  
voltage at the LSENSE input drops below the internal reference voltage, the RSTSENSE output pulls low. The  
output remains low until the battery is replaced, or recharged above a second higher trip-point, set at HSENSE.  
One can monitor a second voltage at VDD. The independent RESET output pulls low when the voltage at VDD  
drops below the fixed threshold voltage. Because the TPS3806I33-Q1 outputs are open-drain MOSFETs, most  
applications may require a pullup resistor.  
Programming the Threshold Voltage Levels  
Calculate the low-voltage threshold at LSENSE according to Equation 1:  
R1 ) R2 ) R3  
refǒ  
Ǔ
V
+ V  
(LSENSE)  
R2
)
R3  
(1)  
(2)  
where Vref = 1.207 V  
Calculate the high-voltage threshold at HSENSE as shown in Equation 2:  
R1 ) R2 ) R3  
refǒ  
Ǔ
V
+ V  
(HSENSE)  
where Vref = 1.207 V  
R3  
To minimize battery current draw, TI recommends using 1 Mas the total resistor value R(tot), with  
R(tot) = R1 + R2 + R3.  
6
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TPS3806I33-Q1  
TPS3806J20-Q1  
www.ti.com  
SLVSBW8 MARCH 2013  
TYPICAL CHARACTERISTICS  
SUPPLY CURRENT  
versus  
SUPPLY VOLTAGE  
LOW-LEVEL OUTPUT VOLTAGE  
versus  
LOW-LEVEL OUTPUT CURRENT  
6
1.60  
V
< V  
(LSENSE)  
(HSENSE)  
V
V
= 1.5 V  
DD  
1.40  
1.20  
RESET = Open  
RSTSENSE = Open  
= Low  
(SENSE)  
5
4
3
2
1
0
85°C  
1.00  
0.80  
0.60  
0.40  
0.20  
0
25°C  
0°C  
85°C  
25°C  
−40°C  
0°C  
−40°C  
0
0.5  
1
1.5  
V
2
2.5  
3
3.5  
4
4.5  
5
5.5  
6
0
1
2
3
4
5
− Supply Voltage − V  
I
− Low-Level Output Current − mA  
DD  
OL  
Figure 1.  
Figure 2.  
LOW-LEVEL OUTPUT VOLTAGE  
versus  
LOW-LEVEL OUTPUT CURRENT  
LOW-LEVEL OUTPUT VOLTAGE  
versus  
LOW-LEVEL OUTPUT CURRENT  
0.50  
0.45  
3.5  
3
V
= 1.5 V  
= Low  
V
V
= 6 V  
DD  
DD  
V
= Low  
(SENSE)  
(SENSE)  
0.40  
0.35  
85°C  
85°C  
2.5  
2
25°C  
0°C  
25°C  
0°C  
0.30  
0.25  
0.20  
0.15  
−40°C  
−40°C  
1.5  
1
0.5  
0
0.10  
0.05  
0
Expanded View  
0
0.5  
1
1.5  
2
2.5  
3
0
5
10 15 20 25 30 35 40 45 50  
I
− Low-Level Output Current − mA  
I
− Low-Level Output Current − mA  
OL  
OL  
Figure 3.  
Figure 4.  
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SLVSBW8 MARCH 2013  
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TYPICAL CHARACTERISTICS (continued)  
LOW-LEVEL OUTPUT VOLTAGE  
NORMALIZED INPUT THRESHOLD VOLTAGE  
versus  
versus  
LOW-LEVEL OUTPUT CURRENT  
FREE-AIR TEMPERATURE AT VDD  
1
0.9  
0.8  
0.7  
0.6  
V
V
= 6 V  
DD  
1.005  
1.004  
= Low  
(SENSE)  
RESET = 100 kto V  
DD  
85°C  
25°C  
0°C  
1.003  
1.002  
1.001  
1
−40°C  
0.5  
0.4  
0.3  
0.999  
0.998  
0.997  
0.996  
0.995  
0.2  
Expanded View  
0.1  
0
0
2
4
6
8
10 12 14 16 18 20  
−40  
−20  
0
20  
40  
60  
80  
I
− Low-Level Output Current − mA  
OL  
T
A
− Free-Air Temperature at V °C  
DD  
Figure 5.  
Figure 6.  
MINIMUM PULSE DURATION AT VDD  
versus  
VDD THRESHOLD OVERDRIVE VOLTAGE  
MINIMUM PULSE DURATION AT LSENSE  
versus  
LSENSE THRESHOLD OVERDRIVE VOLTAGE  
10  
9
8
7
6
5
4
3
2
1
0
10  
9
8
7
6
5
4
3
2
1
0
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9  
1
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9  
1
V
DD  
− Threshold Overdrive Voltage − V  
LSENSE − Threshold Overdrive Voltage − V  
Figure 7.  
Figure 8.  
8
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PACKAGE OPTION ADDENDUM  
www.ti.com  
11-Apr-2013  
PACKAGING INFORMATION  
Orderable Device  
Status Package Type Package Pins Package  
Eco Plan Lead/Ball Finish  
MSL Peak Temp  
Op Temp (°C)  
Top-Side Markings  
Samples  
Drawing  
Qty  
(1)  
(2)  
(3)  
(4)  
TPS3806I33QDBVRQ1  
ACTIVE  
SOT-23  
DBV  
6
3000  
Green (RoHS  
& no Sb/Br)  
CU NIPDAU  
Level-1-260C-UNLIM  
-40 to 125  
PZHQ  
(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.  
(4)  
Multiple Top-Side Markings will be inside parentheses. Only one Top-Side Marking contained in parentheses and separated by a "~" will appear on a device. If a line is indented then it is a  
continuation of the previous line and the two combined represent the entire Top-Side Marking for that device.  
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.  
OTHER QUALIFIED VERSIONS OF TPS3806I33-Q1 :  
Catalog: TPS3806I33  
Addendum-Page 1  
PACKAGE OPTION ADDENDUM  
www.ti.com  
11-Apr-2013  
NOTE: Qualified Version Definitions:  
Catalog - TI's standard catalog product  
Addendum-Page 2  
PACKAGE MATERIALS INFORMATION  
www.ti.com  
8-Apr-2013  
TAPE AND REEL INFORMATION  
*All dimensions are nominal  
Device  
Package Package Pins  
Type Drawing  
SPQ  
Reel  
Reel  
A0  
B0  
K0  
P1  
W
Pin1  
Diameter Width (mm) (mm) (mm) (mm) (mm) Quadrant  
(mm) W1 (mm)  
TPS3806I33QDBVRQ1 SOT-23  
DBV  
6
3000  
178.0  
9.0  
3.23  
3.17  
1.37  
4.0  
8.0  
Q3  
Pack Materials-Page 1  
PACKAGE MATERIALS INFORMATION  
www.ti.com  
8-Apr-2013  
*All dimensions are nominal  
Device  
Package Type Package Drawing Pins  
SOT-23 DBV  
SPQ  
Length (mm) Width (mm) Height (mm)  
180.0 180.0 18.0  
TPS3806I33QDBVRQ1  
6
3000  
Pack Materials-Page 2  
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