ZHCSF78E
June 2016 – April 2019
BQ35100
PRODUCTION DATA.
1
特性
2
应用
3
说明
Device Images
简化原理图
4
修订历史记录
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
器件和文档支持
11.1
文档支持
11.1.1
相关文档
11.2
接收文档更新通知
11.3
社区资源
11.4
商标
11.5
静电放电警告
11.6
术语表
12
机械、封装和可订购信息
封装选项
机械数据 (封装 | 引脚)
PW|14
MPDS360A
散热焊盘机械数据 (封装 | 引脚)
订购信息
zhcsf78e_oa
zhcsf78e_pm
1
特性
适用于流量计 应用的电量监测计和电池诊断 可预测放电结束或早期电池故障
支持锂亚硫酰氯 (Li-SOCl
2
) 和锂二氧化锰 (Li-MnO
2
) 化学
电池
精确的电压、温度、电流和库仑计数器测量,可报告电池运行状况和使用寿命
针对 Li-MnO
2
的运行状况 (SOH) 算法
针对 Li-SOCl
2
的放电结束 (EOS) 算法
针对所有电池类型的库仑累积 (ACC) 算法
超低平均功耗可尽可能延长电池的正常运行时间
通过主机控制的定期更新启用监测计
运行状况 (SOH) ~0.06µA
放电结束 (EOS) ~0.35µA
库仑累积 (ACC) 诊断更新 ~0.3µA
系统交互能力
I
2
C 主机通信,提供电池参数和状态访问
可配置主机中断
电池信息数据记录选项,可用于运行诊断和故障分析
SHA-1 认证可防止使用伪劣电池
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