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BQ27425-G2 Datasheet(PDF) 3 Page - Texas Instruments |
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BQ27425-G2 Datasheet(HTML) 3 Page - Texas Instruments |
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3 / 39 page  (TOP VIEW) D1 D2 D3 E1 E2 E3 C1 C2 C3 B1 B2 B3 A1 A2 A3 D1 D2 D3 E1 E2 E3 C1 C2 C3 B1 B2 B3 A1 A2 A3 (BOTTOM VIEW) D E Pin A1 Index Area xx xx bq27425-G2 www.ti.com SLUSB23B – OCTOBER 2012 – REVISED JUNE 2015 5 Device Comparison Table FIRMWARE COMMUNICATION PART NUMBER BATTERY TYPE CHEM_ID (1) VERSION (2) FORMAT bq27425YZFR-G2A LiCoO2 0x128 (4.2 V maximum charge) bq27425YZFT-G2A 2.05 I2C (0x0205) bq27425YZFR-G2B LiMn2O4 0x312 (4.3 to 4.35 V maximum charge) bq27425YZFT-G2B (1) Refer to the CHEM_ID subcommand to confirm the battery chemistry type. (2) Refer to the FW_VERSION subcommand to confirm the firmware version. 6 Pin Configuration and Functions YZP Package 15-Pin DSBGA Pin Functions PIN I/O(1) DESCRIPTION NAME NO. BAT E2 I Cell-voltage measurement input. ADC input. Recommend 4.8 V maximum for conversion accuracy. Battery-insertion detection input. A logic high-to-low transition is detected as a battery insertion event. BIN C3 I Recommend using a pullup resistor >1 M Ω (1.8 MΩ, typical) to VCC for reduced power consumption. An internal pullup resistor option is also available using the Operation Configuration [BI_PU_EN] register bit. CE D2 I Chip Enable. Internal LDO is disconnected from REGIN when driven low. General Purpose open-drain output. May be configured as a Battery Low indicator or perform SOC interrupt GPOUT A2 O (SOC_INT) function. A1, B2 NA No internal connection. May be left floating. NC C2, D3, E3 IO Reserved for factory use. Must be left floating for proper operation. REGIN E1 P Regulator input. Decouple with 0.1- μF ceramic capacitor to VSS. Slave I2C serial communications clock input line for communication with system (Master). Use with 10-k Ω pullup SCL A3 I resistor (typical). Slave I2C serial communications data line for communication with system (Master). Open-drain IO. Use with 10-k Ω SDA B3 I/O pullup resistor (typical). Integrated Sense Resistor and Coulomb Counter input typically connected to battery PACK– terminal. For best SRX B1 IA performance decouple with 0.1- μF ceramic capacitor to VSS. VCC D1 P Regulator output and bq27425 processor power. Decouple with 1- μF ceramic capacitor to VSS. VSS C1 P, IA Device ground and Integrated Sense Resistor termination. (1) IO = Digital input/output, IA = Analog input, P = Power connection Copyright © 2012–2015, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: bq27425-G2 |
Similar Part No. - BQ27425-G2_15 |
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Similar Description - BQ27425-G2_15 |
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