JAJSPK3G
May 2001 – December 2022
BQ2057C
PRODUCTION DATA
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
Typical Characteristics
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Current-Sense Input
9.3.2
Battery-Voltage Input
9.3.3
Temperature Sense Input
9.3.4
Charge-status Output
9.3.5
Charge-Control Output
9.3.6
Charge-Rate Compensation Input
9.3.7
Supply Voltage Input
10
Application and Implementation
10.1
Application Information
10.1.1
Functional Description
10.1.2
Qualification and Precharge
10.1.3
Current Regulation Phase
10.1.4
Voltage Regulation Phase
10.1.5
Charge Termination and Recharge
10.1.6
Battery Temperature Monitoring
10.1.7
Charge Inhibit Function
10.1.8
Charge Status Indication
10.1.9
Low-power Sleep Mode
10.1.10
Selecting an External Pass-Transistor
10.1.11
Selecting Input Capacitor
10.1.12
Selecting Output Capacitor
10.1.13
Automatic Charge-rate Compensation
10.2
Typical Application
10.2.1
Design Requirements
10.2.2
Detailed Design Procedure
10.2.3
Application Curves
11
Power Supply Recommendations
12
Layout
12.1
Layout Guidelines
12.1.1
Power FET
12.1.2
Current Sense
12.1.3
Voltage Sense
12.1.4
Enable (TS)
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
デバイスごとのパッケージ図は、PDF版データシートをご参照ください。
メカニカル・データ(パッケージ|ピン)
D|8
DGK|8
PW|8
サーマルパッド・メカニカル・データ
発注情報
jajspk3g_oa
jajspk3g_pm
10.2
Typical Application
Figure 10-14
Low Dropout Single- or Two-Cell Li-Ion/Li-Pol Charger