JAJSJH4D
december 2010 – september 2020
BQ24133
PRODUCTION DATA
1
1
特長
2
アプリケーション
3
概要
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
サード・パーティ製品に関する免責事項
13.2
ドキュメントの更新通知を受け取る方法
13.3
サポート・リソース
13.4
Trademarks
13.5
静電気放電に関する注意事項
13.6
用語集
14
Mechanical, Packaging, and Orderable Information
Data Sheet
BQ24133 MOSFET およびパワー・パス・セレクタ内蔵、スタンドアロン、1~3 セル、2.5A、同期整流式降圧バッテリ充電器