JAJSJE2A
july 2020 – april 2023
BQ21062
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
Linear Charger and Power Path
9.3.1.1
Battery Charging Process
9.3.1.2
JEITA and Battery Temperature Dependent Charging
9.3.1.3
Input Voltage Based Dynamic Power Management (VINDPM)
9.3.1.4
Battery Supplement Mode
9.3.2
Protection Mechanisms
9.3.2.1
Input Over-Voltage Protection
9.3.2.2
Safety Timer and I2C Watchdog Timer
9.3.2.3
Thermal Protection and Thermal Charge Current Foldback
9.3.2.4
Battery Short and Over Current Protection
9.3.2.5
PMID Short Circuit
9.3.3
VDD LDO
9.3.4
Load Switch/LDO Output and Control
9.3.5
PMID Power Control
9.3.6
System Voltage (PMID) Regulation
9.3.7
MR Wake and Reset Input
9.3.7.1
MR Wake or Short Button Press Functions
9.3.7.2
MR Reset or Long Button Press Functions
9.3.8
14-Second Watchdog for HW Reset
9.3.9
Faults Conditions and Interrupts ( INT)
9.3.9.1
Flags and Fault Condition Response
9.3.10
Power Good ( PG) Pin
9.3.11
External NTC Monitoring (TS)
9.3.11.1
TS Thresholds
9.3.12
I2C Interface
9.3.12.1
F/S Mode Protocol
9.4
Device Functional Modes
9.4.1
Ship Mode
9.4.2
Low Power
9.4.3
Active Battery
9.4.4
Charger/Adapter Mode
9.4.5
Power-Up/Down Sequencing
9.5
Register Map
9.5.1
I2C Registers
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
Input (IN/PMID) Capacitors
10.2.2.2
VDD, LDO Input and Output Capacitors
10.2.2.3
TS
10.2.2.4
Recommended Passive Components
10.2.3
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
Documentation Support
13.2.1
Related Documentation
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
Trademarks
13.6
静電気放電に関する注意事項
13.7
用語集
14
Mechanical, Packaging, and Orderable Information
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)
YFP|20
サーマルパッド・メカニカル・データ
13.7
用語集
テキサス・インスツルメンツ用語集
この用語集には、用語や略語の一覧および定義が記載されています。