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BQ27500DRZR-V100G4 Datasheet(PDF) 2 Page - Texas Instruments |
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BQ27500DRZR-V100G4 Datasheet(HTML) 2 Page - Texas Instruments |
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2 / 41 page  Contents bq27500 bq27501 System-Side Impedance Track™ Fuel Gauge SLUS785D – SEPTEMBER 2007 – REVISED APRIL 2008 www.ti.com 1 INTRODUCTION .......................................... 1 4.1 DATA COMMANDS .................................. 9 1.1 FEATURES ........................................... 1 4.2 DATA FLASH INTERFACE ......................... 16 1.2 APPLICATIONS ...................................... 1 4.3 MANUFACTURER INFORMATION BLOCKS ...... 17 1.3 DESCRIPTION ....................................... 1 4.4 ACCESS MODES ................................... 17 2 DEVICE INFORMATION ................................. 3 4.5 SEALING/UNSEALING DATA FLASH .............. 17 2.1 AVAILABLE OPTIONS ............................... 3 4.6 DATA FLASH SUMMARY ........................... 18 2.2 PIN DIAGRAMS ...................................... 3 5 FUNCTIONAL DESCRIPTION ........................ 20 2.3 TERMINAL FUNCTIONS ............................. 3 5.1 FUEL GAUGING .................................... 20 3 ELECTRICAL SPECIFICATIONS ...................... 4 5.2 IMPEDANCE TRACK™ VARIABLES ............... 20 3.1 ABSOLUTE MAXIMUM RATINGS ................... 4 5.3 DETAILED DESCRIPTION OF DEDICATED PINS . 23 3.2 RECOMMENDED OPERATING CONDITIONS ...... 4 5.4 TEMPERATURE MEASUREMENT ................. 26 3.3 DISSIPATION RATINGS ............................. 5 5.5 OVERTEMPERATURE INDICATION ............... 26 5.6 CHARGING AND CHARGE-TERMINATION 3.4 POWER-ON RESET .................................. 5 INDICATION ......................................... 26 3.5 INTERNAL TEMPERATURE SENSOR CHARACTERISTICS ................................. 5 5.7 POWER MODES .................................... 27 3.6 HIGH-FREQUENCY OSCILLATOR .................. 5 5.8 POWER CONTROL ................................. 29 3.7 LOW-FREQUENCY OSCILLATOR .................. 5 5.9 AUTOCALIBRATION ................................ 30 3.8 INTEGRATING ADC (COULOMB COUNTER) 6 APPLICATION-SPECIFIC INFORMATION .......... 31 CHARACTERISTICS ................................. 6 6.1 BATTERY PROFILE STORAGE AND SELECTION 31 3.9 ADC (TEMPERATURE AND CELL 6.2 APPLICATION-SPECIFIC FLOW AND CONTROL . 31 MEASUREMENT) CHARACTERISTICS ............. 6 7 COMMUNICATIONS 3.10 DATA FLASH MEMORY CHARACTERISTICS ...... 6 ............................................................. 33 3.11 I2C-COMPATIBLE INTERFACE COMMUNICATION 7.1 I2C INTERFACE ..................................... 33 TIMING CHARACTERISTICS ........................ 6 8 REFERENCE SCHEMATICS .......................... 34 4 GENERAL DESCRIPTION .............................. 8 8.1 SCHEMATIC ........................................ 34 2 Contents Submit Documentation Feedback |
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