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BQ27541DRZR Datasheet(PDF) 2 Page - Texas Instruments |
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BQ27541DRZR Datasheet(HTML) 2 Page - Texas Instruments |
2 / 38 page DEVICE INFORMATION AVAILABLE OPTIONS 1 REGIN 2 BAT 3 4 5 Vcc 6 Vss TS SE 12 11 10 9 SRN 8 SRP 7 REG25 SCL SDA HDQ bq27541 SLUS861 – DECEMBER 2008 ........................................................................................................................................................................................... www.ti.com These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates. PART NUMBER PACKAGE TA COMMUNICATION TAPE and REEL FORMAT QUANTITY bq27541DRZR 3000 12-pin, 2,5-mm × 4-mm SON –40°C to 85°C I2C, HDQ(1) bq27541DRZT 250 (1) bq27541 is shipped in I2C mode bq27541 (TOP VIEW) TERMINAL FUNCTIONS TERMINAL DESCRIPTION NAME NO. TYPE(1) BAT 4 I Cell-voltage measurement input. ADC input. Decouple with 0.1 µF capacitor. REG25 2 P 2.5V output voltage of the internal integrated LDO. Connect a minimum 0.47 µF ceramic capacitor. REGIN 3 P The input voltage for the internal integrated LDO. Connect a 0.1 µF ceramic capacitor. SCL 11 I Slave I2C serial communications clock input line for communication with system (Slave). Use with 10 k Ω pull-up resistor (typical). SDA 10 I/O Slave I2C serial communications data line for communication with system (Slave). Open-drain I/O. Use with 10 k Ω pull-up resistor (typical). SE 1 O Shutdown Enable output. Open-drain. HDQ 12 I/O HDQ serial communications line (Slave). Open-drain. SRN 8 IA Analog input pin connected to the internal coulomb counter where SRN is nearest the PACK- connection. Connect to 5-m Ω to 20-mΩ sense resistor. SRP 7 IA Analog input pin connected to the internal coulomb counter where SRP is nearest the CELL- connection. Connect to 5-m Ω to 20-mΩ sense resistor TS 9 IA Pack thermistor voltage sense (use 103AT-type thermistor). ADC input Vcc 5 P Processor power input. The minimum 0.47 µF capacitor connected to REG25 should be close to Vcc. Vss 6 P Device ground (1) I/O = Digital input/output, IA = Analog input, P = Power connection 2 Submit Documentation Feedback Copyright © 2008, Texas Instruments Incorporated Product Folder Link(s): bq27541 |
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