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

3.10

7.2

TIMING CHARACTERISTICS

....................... 7

4

GENERAL DESCRIPTION

............................. 9

7.3

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