ZHCSLK7A
july 2020 – april 2023
BQ21062
PRODUCTION DATA
1
1
特性
2
应用
3
说明
4
Revision History
5
说明(续)
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
第三方产品免责声明
13.2
Documentation Support
13.2.1
Related Documentation
13.3
接收文档更新通知
13.4
支持资源
13.5
Trademarks
13.6
静电放电警告
13.7
术语表
14
Mechanical, Packaging, and Orderable Information
请参考 PDF 数据表获取器件具体的封装图。
机械数据 (封装 | 引脚)
YFP|20
散热焊盘机械数据 (封装 | 引脚)
Data Sheet
BQ21062 具有电源路径、负载开关、10nA 运输模式和稳压系统 (PMID) 电压的 I
2
C 控制型单节电池 500mA 线性电池充电器