ZHCSE65B
August 2015 – November 2018
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
说明 (续)
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics: Supply Current
7.6
Electrical Characteristics: I/O
7.7
Electrical Characteristics: ADC
7.8
Electrical Characteristics: Power-On Reset
7.9
Electrical Characteristics: Oscillator
7.10
Electrical Characteristics: Data Flash Memory
7.11
Electrical Characteristics: Register Backup
7.12
SMBus Timing Specifications
7.13
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Primary (1st Level) Safety Features
8.3.2
Secondary (2nd Level) Safety Features
8.3.3
Charge Control Features
8.3.4
Fuel Gauging
8.3.5
Lifetime Data Logging
8.3.6
Authentication
8.3.7
Battery Parameter Measurements
8.3.7.1
Current and Coulomb Counting
8.3.7.2
Voltage
8.3.7.3
Temperature
8.4
Device Functional Modes
8.5
Programming
8.5.1
Physical Interface
8.5.2
SMBus Address
8.5.3
SMBus On and Off State
9
Application and Implementation
9.1
Application Information
9.2
Typical Applications
9.2.1
Schematic
9.2.2
Design Requirements
9.2.3
Detailed Design Procedure
9.2.3.1
Measurement System
9.2.3.1.1
Cell Voltages
9.2.3.1.2
External Average Cell Voltage
9.2.3.1.3
Current
9.2.3.1.4
Temperature
9.2.3.2
Gas Gauging
9.2.3.3
Charging
9.2.3.3.1
Fast Charging Voltage
9.2.3.3.2
Fast Charging Current
9.2.3.3.3
Other Charging Modes
9.2.3.4
Protection
9.2.3.5
Peripheral Features
9.2.3.5.1
LED Display
9.2.3.5.2
SMBus Address
9.2.4
Application Performance Plots
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.1.1
Power Supply Decoupling Capacitor
11.1.2
MRST Connection
11.1.3
Communication Line Protection Components
11.1.4
ESD Spark Gap
11.2
Layout Example
12
器件和文档支持
12.1
相关文档
12.2
社区资源
12.3
商标
12.4
静电放电警告
12.5
术语表
13
机械、封装和可订购信息
封装选项
机械数据 (封装 | 引脚)
DBT|30
MPDS019J
散热焊盘机械数据 (封装 | 引脚)
订购信息
zhcse65b_oa
zhcse65b_pm
1
特性
补偿放电终点电压 (CEDV) 电量计量算法
支持 SMBus 主机通信
可针对 3 到 5 节
(bq76920)、6 到 10节
(bq76930) 以及 9 到 15 节
(bq76940) 锂离子和磷酸铁锂电池进行灵活配置
支持高达 320Ahr 的电池配置
支持高达 320A 的充放电电流
片上温度传感器选项
通过配套 AFE 支持外部 NTC 热敏电阻
全面的可编程保护 特性
电压、电流和温度
系统元件
终身数据记录
支持 CC-CV 充电,包括预充电、充电禁止和充电暂停
为多达八个不同的总线地址提供一个可选电阻器可编程 SMBus 从地址
最多可驱动一个 5 段 LED 或 LCD 显示屏,以指示充电状态
提供安全散列算法 (SHA-1) 认证