ZHCSLN5D
december 2010 – september 2020
BQ24133
PRODUCTION DATA
1
1
特性
2
应用
3
说明
4
Revision History
5
Description (continued)
6
Device Comparison Table
7
Pin Configuration and Functions
Pin Functions
8
Specifications
8.1
Absolute Maximum Ratings
8.2
ESD Ratings
8.3
Recommended Operating Conditions
8.4
Thermal Information
8.5
Electrical Characteristics
8.6
Typical Characteristics
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Battery Voltage Regulation
9.3.2
Battery Current Regulation
9.3.3
Battery Precharge Current Regulation
9.3.4
Input Current Regulation
9.3.5
Charge Termination, Recharge, And Safety Timers
9.3.6
Power Up
9.3.7
Input Undervoltage Lockout (UVLO)
9.3.8
Input Overvoltage/Undervoltage Protection
9.3.9
Enable and Disable Charging
9.3.10
System Power Selector
9.3.11
Converter Operation
9.3.12
Automatic Internal Soft-Start Charger Current
9.3.13
Charge Overcurrent Protection
9.3.14
Charge Undercurrent Protection
9.3.15
Battery Detection
9.3.15.1
Example
9.3.16
Battery Short Protection
9.3.17
Battery Overvoltage Protection
9.3.18
Temperature Qualification
9.3.19
MOSFET Short Circuit and Inductor Short Circuit Protection
9.3.20
Thermal Regulation and Shutdown Protection
9.3.21
Timer Fault Recovery
9.3.22
Charge Status Outputs
9.4
Device Functional Modes
10
Application and Implementation
10.1
Application Information
10.2
Typical Application
10.2.1
Design Requirements
10.2.2
Detailed Design Procedure
10.2.2.1
Inductor Selection
10.2.2.2
Input Capacitor
10.2.2.3
Output Capacitor
10.2.2.4
Input Filter Design
10.2.2.5
Input ACFET and RBFET Selection
10.2.2.6
Inductor, Capacitor, and Sense Resistor Selection Guidelines
10.2.3
Application Curve
10.3
System Examples
11
Power Supply Recommendations
12
Layout
12.1
Layout Guidelines
12.2
Layout Examples
13
Device and Documentation Support
13.1
Device Support
13.1.1
第三方产品免责声明
13.2
接收文档更新通知
13.3
支持资源
13.4
Trademarks
13.5
静电放电警告
13.6
术语表
14
Mechanical, Packaging, and Orderable Information
13.5
静电放电警告
静电放电 (ESD) 会损坏这个集成电路。德州仪器 (TI) 建议通过适当的预防措施处理所有集成电路。如果不遵守正确的处理和安装程序,可能会损坏集成电路。
ESD 的损坏小至导致微小的性能降级,大至整个器件故障。精密的集成电路可能更容易受到损坏,这是因为非常细微的参数更改都可能会导致器件与其发布的规格不相符。