JAJSI73C
December 2009 – December 2019
BQ24072T
,
BQ24075T
,
BQ24079T
PRODUCTION DATA.
1
特長
2
アプリケーション
3
概要
概略回路図
4
改訂履歴
5
概要(続き)
6
Device Options
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
Undervoltage Lockout (UVLO)
9.3.2
Overvoltage Protection (OVP)
9.3.3
Dynamic Power-Path Management
9.3.4
Battery Charging
9.3.5
Charge Current Translator
9.3.6
Battery Detection and Recharge
9.3.7
Termination Disable (TD Input, BQ24072T)
9.3.8
Battery Disconnect (SYSOFF Input)
9.3.9
Dynamic Charge Timers (TMR Input)
9.3.10
Status Indicators (PGOOD, CHG)
9.3.11
Thermal Regulation and Thermal Shutdown
9.3.12
Battery Pack Temperature Monitoring
9.4
Device Functional Modes
9.4.1
Input Source Connected (Adapter or USB)
9.4.1.1
Input DPM Mode (VIN-DPM)
9.4.1.2
DPPM Mode
9.4.1.3
Battery Supplement Mode
9.4.2
Input Source Not Connected
10
Applications and Implementation
10.1
Application Information
10.2
Typical Applications
10.2.1
Using the BQ24075T, BQ24079T to Disconnect the Battery from the System
10.2.1.1
Design Requirements
10.2.1.2
Detailed Design Procedure
10.2.1.2.1
Program the Fast Charge Current (ISET):
10.2.1.2.2
Program the Input Current Limit (ILIM):
10.2.1.2.3
Program 6.25-hour Fast-Charge Safety Timer (TMR):
10.2.1.2.4
TS Function:
10.2.1.2.5
CHG and PGOOD LED Status:
10.2.1.2.6
Processor Monitoring Status:
10.2.1.2.7
System ON/OFF (SYSOFF):
10.2.1.2.8
Selecting IN, OUT and BAT Capacitors
10.2.1.3
Application Curves
10.2.2
BQ24072T in a Host Controlled Charger Application
10.2.2.1
Design Requirements
10.2.2.2
Detailed Design Procedures
10.2.2.2.1
Termination Disable:
10.2.2.3
Application Curves
11
Power Supply Recommendations
11.1
Power On
11.1.1
Half-Wave Adapters
12
Layout
12.1
Layout Guidelines
12.2
Layout Example
12.3
Thermal Package
13
デバイスおよびドキュメントのサポート
13.1
デバイス・サポート
13.1.1
デベロッパー・ネットワークの製品に関する免責事項
13.2
関連リンク
13.3
ドキュメントの更新通知を受け取る方法
13.4
サポート・リソース
13.5
商標
13.6
静電気放電に関する注意事項
13.7
Glossary
14
メカニカル、パッケージ、および注文情報
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)
RGT|16
MPQF119H
サーマルパッド・メカニカル・データ
RGT|16
QFND098S
発注情報
jajsi73c_oa
jajsi73c_pm
13.1
デバイス・サポート