ZHCSHD3J
October 2017 – December 2022
BQ2980
,
BQ2982
PRODUCTION DATA
1
特性
2
应用
3
说明
4
Revision History
5
Device Comparison Table
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Typical Characteristics
8
Detailed Description
8.1
Overview
8.1.1
Device Configurability
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Overvoltage (OV) Status
8.3.2
Undervoltage (UV) Status
8.3.3
Overcurrent in Charge (OCC) Status
8.3.4
Overcurrent in Discharge (OCD) and Short Circuit in Discharge (SCD) Status
8.3.5
Overtemperature (OT) Status
8.3.6
Charge and Discharge Driver
8.3.7
CTR for FET Override and Device Shutdown
8.3.8
CTR for PTC Connection
8.3.9
ZVCHG (0-V Charging)
8.4
Device Functional Modes
8.4.1
Power Modes
8.4.1.1
Power-On-Reset (POR)
8.4.1.2
NORMAL Mode
8.4.1.3
FAULT Mode
8.4.1.4
SHUTDOWN Mode
9
Application and Implementation
9.1
Application Information
9.1.1
Test Circuits for Device Evaluation
9.1.2
Test Circuit Diagrams
9.1.3
Using CTR as FET Driver On/Off Control
9.2
Typical Applications
9.2.1
BQ298x Configuration 1: System-Controlled Reset/Shutdown Function
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.3
Selection of Power FET
9.2.1.4
Application Curves
9.2.2
BQ298x Configuration 2: CTR Function Disabled
9.2.3
BQ298x Configuration 3: PTC Thermistor Protection
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
第三方产品免责声明
12.2
接收文档更新通知
12.3
支持资源
12.4
Trademarks
12.5
Electrostatic Discharge Caution
12.6
术语表
13
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
RUG|8
MPQF215A
散热焊盘机械数据 (封装 | 引脚)
RUG|8
QFND220
订购信息
zhcshd3j_oa
zhcshd3j_pm
1
特性
电压保护:
过压 (OV):±10mV
欠压 (UV):±20mV
电流保护:
充电过流 (OCC):±1mV
放电过流 (OCD):±1mV
放电短路 (SCD):±5mV
温度保护:
过热 (OT)
其他特性:
支持低至 1mΩ 的检测电阻器 (R
SNS
)
高侧保护
高 Vgs FET 驱动器
0V 充电(仅限 BQ2980)
CTR 引脚实现对系统复位/关断的 FET 超驰控制
通过外部 PTC 热敏电阻对 CTR 配置二次过热保护
电流消耗:
正常模式:4µA
关断模式:0.1µA(最大值)
封装:
8 引脚 X2QFN:1.50 × 1.50 × 0.37mm