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BQ27350PWRG4 Datasheet(PDF) 3 Page - Texas Instruments |
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BQ27350PWRG4 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 33 page www.ti.com 2 DEVICE INFORMATION 2.1 AVAILABLE OPTIONS 2.2 PIN DIAGRAM SE VEN TS NC PAUTH AUTH TOUT SDATA NC SCLK CELL+ CELL- VCC VSS MRST SRN SRP NC NC NC bq27350 2.3 TERMINAL FUNCTIONS bq27350 Single Cell Li-Ion Battery Manager With Impedance Track Fuel Gauge Technology SLUS754 – MARCH 2007 PACKAGE TA TSSOP (PW)(1) –40 °C to 85°C bq27350PW (1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI website at www.ti.com. TERMINAL I/O(1) DESCRIPTION NAME NO. SE 1 I/O System enable. Open-drain output for controlling LDO enable (active low). VEN 2 O Voltage divider enable TS 3 IA Thermistor measurement input if external thermistor selected PAUTH 5 P Positive supply line for powering optional bq26100 AUTH 6 IO Signal line for communicating with optional bq26100 TOUT 7 OA Thermistor power output SDATA 8 I/O I2C Interface bidirectional data line (open-drain) SCLK 10 I/O I2C Interface clock line (open-drain) Analog input pin connected to the internal coulomb-counter where SRP is connected to the CELL- SRP 14 IA side of the sense resistor Analog input pin connected to the internal coulomb-counter where SRN is connected to the side of SRN 15 IA the sense resistor nearest PACK– MRST 16 I Master reset of the bq27350 VSS 17 P Power ground of the IC VCC 18 P Power supply of the IC CELL– 19 IA Negative node of differential cell measurement Input CELL+ 20 IA Positive node of differential cell measurement Input 4, 9, 11, NC NA Pins electrically connected internally, and should be left floating for normal operation. 12, 13 (1) I/O = Digital Input/Output, IA = Analog Input, OA = Analog Output, P = Power Connection Submit Documentation Feedback DEVICE INFORMATION 3 |
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