JAJSL71
february 2021
BQ25300
PRODUCTION DATA
1
1
特長
2
アプリケーション
3
概要
4
Revision History
5
概要 (続き)
6
Device Comparison Table
7
Pin Configuration and 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
Timing Requirements
8.7
Typical Characteristics
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Device Power Up
9.3.1.1
Power-On-Reset (POR)
9.3.1.2
REGN Regulator Power Up
9.3.1.3
Charger Power Up
9.3.1.4
Charger Enable and Disable by EN Pin
9.3.1.5
Device Unplugged from Input Source
9.3.2
Battery Charging Management
9.3.2.1
Battery Charging Profile
9.3.2.2
Precharge
9.3.2.3
Charging Termination
9.3.2.4
Battery Recharge
9.3.2.5
Charging Safety Timer
9.3.2.6
Thermistor Temperature Monitoring
9.3.3
Charging Status Indicator (STAT)
9.3.4
Protections
9.3.4.1
Voltage and Current Monitoring
9.3.4.1.1
Input Over-Voltage Protection
9.3.4.1.2
Input Voltage Dynamic Power Management (VINDPM)
9.3.4.1.3
Input Current Limit
9.3.4.1.4
Cycle-by-Cycle Current Limit
9.3.4.2
Thermal Regulation and Thermal Shutdown
9.3.4.3
Battery Protection
9.3.4.3.1
Battery Over-Voltage Protection (VBAT_OVP)
9.3.4.3.2
Battery Short Circuit Protection
9.3.4.4
ICHG Pin Open and Short Protection
9.4
Device Functional Modes
9.4.1
Disable Mode, HiZ Mode, Sleep Mode, Charge Mode, Termination Mode, and Fault Mode
10
Application and Implementation
10.1
Application Information
10.2
Typical Applications
10.2.1
Typical Application
10.2.1.1
Design Requirements
10.2.1.2
Detailed Design Procedure
10.2.1.2.1
Charge Voltage Settings
10.2.1.2.2
Charge Current Setting
10.2.1.2.3
Inductor Selection
10.2.1.2.4
Input Capacitor
10.2.1.2.5
Output Capacitor
10.2.1.3
Application Curves
10.2.2
Typical Application with External Power Path
10.2.2.1
Design Requirements
10.2.2.2
Detailed Design Procedure
10.2.2.3
Application Curves
11
Power Supply Recommendations
12
Layout
12.1
Layout Guidelines
12.2
Layout Example
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
パッケージ・オプション
メカニカル・データ(パッケージ|ピン)
RTE|16
MPQF149D
サーマルパッド・メカニカル・データ
RTE|16
QFND525B
発注情報
jajsl71_oa
jajsl71_pm
Data Sheet
BQ25300
スタンドアロン
1 セル、
17V、
3.0A
バッテリ・チャージャ
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