ZHCSMQ1A
april 2020 – april 2021
BQ25170
PRODUCTION DATA
1
1
特性
2
应用
3
说明
4
Revision History
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Timing Requirements
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Device Power Up from Input Source
7.3.1.1
ISET Pin Detection
7.3.1.2
VSET Pin Detection
7.3.1.3
Charger Power Up
7.3.2
Battery Charging Features
7.3.2.1
Lithium-Ion Battery Charging Profile
7.3.2.2
Charge Termination and Battery Recharge
7.3.2.3
Charging Safety Timers
7.3.2.4
Battery Cold, Hot Temperature Qualification (TS Pin)
7.3.3
Status Outputs ( PG, STAT)
7.3.3.1
Power Good Indicator (PG Pin)
7.3.3.2
Charging Status Indicator (STAT)
7.3.4
Protection Features
7.3.4.1
Input Overvoltage Protection (VIN OVP)
7.3.4.2
Output Overvoltage Protection (BAT OVP)
7.3.4.3
Output Overcurrent Protection (BAT OCP)
7.3.4.4
Thermal Regulation and Thermal Shutdown (TREG and TSHUT)
7.4
Device Functional Modes
7.4.1
Shutdown or Undervoltage Lockout (UVLO)
7.4.2
Sleep Mode
7.4.3
Active Mode
7.4.3.1
Standby Mode
7.4.4
Fault Mode
8
Application and Implementation
8.1
Application Information
8.2
Typical Applications
8.2.1
Li-Ion Charger Design Example
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.2.1
TS Function
8.2.1.3
Application Curves
8.2.2
LiFePO4 Charger Design Example
8.2.2.1
Design Requirements
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Device Support
11.1.1
第三方产品免责声明
11.2
Receiving Notification of Documentation Updates
11.3
支持资源
11.4
Trademarks
11.5
静电放电警告
11.6
术语表
12
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)
DSG|8
散热焊盘机械数据 (封装 | 引脚)
Data Sheet
BQ25170:适用于单节锂离子和磷酸铁锂
电池的 800mA 线性电池充电器