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bq27530-G1 Battery Management Unit Impedance Track™ Fuel Gauge with MaxLife Technology for Use with the bq2416x Charger Controller
SLUSAL5C
December 2012 – June 2016
BQ27530-G1
PRODUCTION DATA.
CONTENTS
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bq27530-G1 Battery Management Unit Impedance Track™ Fuel Gauge with MaxLife Technology for Use with the bq2416x Charger Controller
1
Features
2
Applications
3
Description
4
Revision History
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Thermal Information
6.4
Recommended Operating Conditions
6.5
Supply Current
6.6
Digital Input and Output DC Characteristics
6.7
Power-on Reset
6.8
2.5-V LDO Regulator
6.9
Internal Clock Oscillators
6.10
ADC (Temperature and Cell Measurement) Characteristics
6.11
Integrating ADC (Coulomb Counter) Characteristics
6.12
Data Flash Memory Characteristics
6.13
I2C-Compatible Interface Communication Timing Characteristics
6.14
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Functional Description
7.4
Device Functional Modes
7.4.1
Power Modes
7.4.1.1
BAT INSERT CHECK Mode
7.4.1.2
NORMAL Mode
7.4.1.3
SLEEP Mode
7.4.2
SLEEP+ Mode
7.4.3
HIBERNATE Mode
7.5
Programming
7.5.1
Standard Data Commands
7.5.2
Control(): 0x00/0x01
7.5.3
Communications
7.5.3.1
I2C Interface
7.5.3.2
I2C Time Out
7.5.3.3
I2C Command Waiting Time
7.5.3.4
I2C Clock Stretching
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
BAT Voltage Sense Input
8.2.2.2
SRP and SRN Current Sense Inputs
8.2.2.3
Sense Resistor Selection
8.2.2.4
TS Temperature Sense Input
8.2.2.5
Thermistor Selection
8.2.2.6
REGIN Power Supply Input Filtering
8.2.2.7
VCC LDO Output Filtering
8.2.3
Application Curves
9
Power Supply Recommendations
9.1
Power Supply Decoupling
10
Layout
10.1
Layout Guidelines
10.1.1
Sense Resistor Connections
10.1.2
Thermistor Connections
10.1.3
High-Current and Low-Current Path Separation
10.2
Layout Example
11
Device and Documentation Support
11.1
Receiving Notification of Documentation Updates
11.2
Community Resource
11.3
Trademarks
11.4
Electrostatic Discharge Caution
11.5
Glossary
12
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
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