BQ27532-G1 Datasheet, PDF (2/35 Pages) Texas Instruments – Battery Management Unit Impedance Track Fuel Gauge

bq27532-G1
SLUSBU6B – SEPTEMBER 2014 – REVISED JANUARY 2016
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Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 3
6 Specifications......................................................... 4
6.1 Absolute Maximum Ratings ...................................... 4
6.2 ESD Ratings.............................................................. 4
6.3 Recommended Operating Conditions....................... 4
6.4 Thermal Information .................................................. 4
6.5 Electrical Characteristics: Supply Current................. 5
6.6 Digital Input and Output DC Electrical
Characteristics ........................................................... 5
6.7 Power-on Reset ........................................................ 5
6.8 2.5-V LDO Regulator ................................................ 5
6.9 Internal Clock Oscillators .......................................... 5
6.10 ADC (Temperature and Cell Measurement)
Characteristics ........................................................... 6
6.11 Integrating ADC (Coulomb Counter)
Characteristics ........................................................... 6
6.12 Data Flash Memory Characteristics........................ 6
6.13 I²C-compatible Interface Communication Timing
Requirements............................................................. 7
6.14 Typical Characteristics ............................................ 8
7 Detailed Description .............................................. 9
7.1 Overview ................................................................... 9
7.2 Functional Block Diagram ....................................... 10
7.3 Feature Description................................................. 11
7.4 Device Functional Modes........................................ 12
7.5 Programming........................................................... 16
8 Application and Implementation ........................ 21
8.1 Application Information............................................ 21
8.2 Typical Application .................................................. 22
9 Power Supply Recommendations...................... 26
9.1 Power Supply Decoupling ....................................... 26
10 Layout................................................................... 27
10.1 Layout Guidelines ................................................. 27
10.2 Layout Example .................................................... 28
11 Device and Documentation Support ................. 29
11.1 Documentation Support ........................................ 29
11.2 Community Resources.......................................... 29
11.3 Trademarks ........................................................... 29
11.4 Electrostatic Discharge Caution ............................ 29
11.5 Glossary ................................................................ 29
12 Mechanical, Packaging, and Orderable
Information ........................................................... 29
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision A (October 2015) to Revision B
Page
• Changed ESD Ratings .......................................................................................................................................................... 4
2
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