SLUSCM6E
June 2016 – April 2019
BQ35100
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Simplified Schematic
4
Revision History
5
Pin Configuration and Functions
Pin Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Power Supply Current Static Modes
6.6
Digital Input and Outputs
6.7
Power-On Reset
6.8
LDO Regulator
6.9
Internal Temperature Sensor
6.10
Internal Clock Oscillators
6.11
Integrating ADC (Coulomb Counter)
6.12
ADC (Temperature and Voltage Measurements)
6.13
Data Flash Memory
6.14
I2C-Compatible Interface Timing Characteristics
6.15
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Basic Measurement Systems
7.3.1.1
Voltage
7.3.1.2
Temperature
7.3.1.3
Coulombs
7.3.1.4
Current
7.3.2
Battery Gauging
7.3.2.1
ACCUMULATOR (ACC) Mode
7.3.2.2
STATE-OF-HEALTH (SOH) Mode
7.3.2.2.1
Low State-of-Health Alert
7.3.2.3
END-OF-SERVICE (EOS) Mode
7.3.2.3.1
Initial EOS Learning
7.3.2.3.1.1
End-Of-Service Detection
7.3.3
Power Control
7.3.4
Battery Condition Warnings
7.3.4.1
Battery Low Warning
7.3.4.2
Temperature Low Warning
7.3.4.3
Temperature High Warning
7.3.4.4
Battery Low SOH Warning
7.3.4.5
Battery EOS OCV BAD Warning
7.3.5
ALERT Signal
7.3.6
Lifetime Data Collection
7.3.7
SHA-1 Authentication
7.3.8
Data Commands
7.3.8.1
Command Summary
7.3.8.2
0x00, 0x01 AltManufacturerAccess() and 0x3E, 0x3F AltManufacturerAccess()
7.3.8.3
Control(): 0x00/0x01
7.3.9
Communications
7.3.9.1
I2C Interface
7.4
Device Functional Modes
8
Application and Implementation
8.1
Application Information
8.2
Typical Applications
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Preparation for Gauging
8.2.2.2
Gauging Mode Selection
8.2.2.2.1
ACCUMULATOR Mode
8.2.2.2.1.1
STATE-OF-HEALTH (Voltage Correlation) Mode
8.2.2.2.1.2
END-OF-SERVICE (Resistance Correlation) Mode
8.2.2.3
Voltage Measurement Selection
8.2.2.4
Temperature Measurement Selection
8.2.2.5
Current Sense Resistor Selection
8.2.2.6
Expected Device Usage Profiles
8.2.2.7
Using the BQ35100 Fuel Gauge with a Battery and Capacitor in Parallel
8.2.2.7.1
ACCUMULATOR Mode
8.2.2.7.2
STATE-OF-HEALTH Mode
8.2.2.7.3
END-OF-SERVICE Mode
8.2.3
EOS Mode Load Pulse Synchronization
8.2.4
Benefits of the BQ35100 Gauge Compared to Alternative Monitoring Techniques
8.2.5
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.1.1
Introduction
10.1.2
Power Supply Decoupling Capacitor
10.1.3
Capacitors
10.1.4
Communication Line Protection Components
10.2
Layout Example
10.2.1
Ground System
10.2.2
Kelvin Connections
10.2.3
Board Offset Considerations
10.3
ESD Spark Gap
11
Device and Documentation Support
11.1
Documentation Support
11.1.1
Related Documentation
11.2
Receiving Notification of Documentation Updates
11.3
Community Resources
11.4
Trademarks
11.5
Electrostatic Discharge Caution
11.6
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
PW|14
MPDS360
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sluscm6e_oa
sluscm6e_pm
8.2.2
Detailed Design Procedure