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bq27500DRZT-V130 Datasheet(PDF) 2 Page - Texas Instruments |
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bq27500DRZT-V130 Datasheet(HTML) 2 Page - Texas Instruments |
2 / 43 page bq27500-V130 SLUS914A – OCTOBER 2009 – REVISED DECEMBER 2009 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. 1 INTRODUCTION ......................................... 1 4.3 MANUFACTURER INFORMATION BLOCKS ...... 18 1.1 FEATURES .......................................... 1 4.4 ACCESS MODES .................................. 18 1.2 APPLICATIONS ...................................... 1 4.5 SEALING/UNSEALING DATA FLASH ............. 19 1.3 DESCRIPTION ....................................... 1 4.6 DATA FLASH SUMMARY .......................... 19 2 DEVICE INFORMATION ................................ 3 5 FUNCTIONAL DESCRIPTION ........................ 21 2.1 AVAILABLE OPTIONS ............................... 3 5.1 FUEL GAUGING ................................... 21 2.2 DISSIPATION RATINGS ............................ 3 5.2 Impedance Track VARIABLES ..................... 22 5.3 DETAILED DESCRIPTION OF DEDICATED PINS 2.3 DEVICE INFORMATION ............................. 3 ...................................................... 24 3 ELECTRICAL SPECIFICATIONS ..................... 5 5.4 TEMPERATURE MEASUREMENT ................ 26 3.1 ABSOLUTE MAXIMUM RATINGS .................. 5 5.5 OVERTEMPERATURE INDICATION .............. 27 3.2 RECOMMENDED OPERATING CONDITIONS ..... 5 5.6 CHARGING AND CHARGE-TERMINATION INDICATION ........................................ 27 3.3 POWER-ON RESET ................................. 6 3.4 INTERNAL TEMPERATURE SENSOR 5.7 POWER MODES ................................... 28 CHARACTERISTICS ................................ 6 5.8 POWER CONTROL ................................ 31 3.5 HIGH-FREQUENCY OSCILLATOR ................. 6 5.9 AUTOCALIBRATION ............................... 31 6 APPLICATION-SPECIFIC INFORMATION ......... 32 3.6 LOW-FREQUENCY OSCILLATOR .................. 6 6.1 BATTERY PROFILE STORAGE AND SELECTION 3.7 INTEGRATING ADC (COULOMB COUNTER) ...................................................... 32 CHARACTERISTICS ................................ 6 6.2 APPLICATION-SPECIFIC FLOW AND CONTROL 3.8 ADC (TEMPERATURE AND CELL ...................................................... 32 MEASUREMENT) CHARACTERISTICS ............ 7 7 COMMUNICATIONS 3.9 DATA FLASH MEMORY CHARACTERISTICS ..... 7 7.1 I2C INTERFACE 3.10 I2C-COMPATIBLE INTERFACE COMMUNICATION 7.2 I2C TIME OUT TIMING CHARACTERISTICS ....................... 7 4 GENERAL DESCRIPTION ............................. 9 7.3 I2C COMMAND WAITING TIME 4.1 DATA COMMANDS ................................ 10 8 REFERENCE SCHEMATICS 8.1 SCHEMATIC 4.2 DATA FLASH INTERFACE ........................ 17 2 Contents Copyright © 2009, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Link(s): bq27500-V130 |
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