ZHCSHD3L
October 2017 – March 2025
BQ2980
,
BQ2982
PRODUCTION DATA
1
1
特性
2
应用
3
说明
4
Device Comparison Table
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
Typical Characteristics
7
Detailed Description
7.1
Overview
7.1.1
Device Configurability
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Overvoltage (OV) Status
7.3.2
Undervoltage (UV) Status
7.3.3
Overcurrent in Charge (OCC) Status
7.3.4
Overcurrent in Discharge (OCD) and Short Circuit in Discharge (SCD) Status
7.3.5
Overtemperature (OT) Status
7.3.6
Charge and Discharge Driver
7.3.7
CTR for FET Override and Device Shutdown
7.3.8
CTR for PTC Connection
7.3.9
ZVCHG (0V Charging)
7.4
Device Functional Modes
7.4.1
Power Modes
7.4.1.1
Power-On-Reset (POR)
7.4.1.2
NORMAL Mode
7.4.1.3
FAULT Mode
7.4.1.4
SHUTDOWN Mode
8
Application and Implementation
8.1
Application Information
8.1.1
Test Circuits for Device Evaluation
8.1.2
Test Circuit Diagrams
8.1.3
Using CTR as FET Driver On/Off Control
8.2
Typical Applications
8.2.1
BQ298xx Configuration 1: System-Controlled Reset/Shutdown Function
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.3
Selection of Power FET
8.2.1.4
Application Curves
8.2.2
BQ298xx Configuration 2: CTR Function Disabled
8.2.3
BQ298xx Configuration 3: PTC Thermistor Protection
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
第三方产品免责声明
11.2
接收文档更新通知
11.3
支持资源
11.4
Trademarks
11.5
静电放电警告
11.6
术语表
12
Revision History
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
zhcshd3l_oa
zhcshd3l_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:
NORMAL 模式:4µA
SHUTDOWN 模式:0.1µA(最大值)
封装:
8 引脚 X2QFN:1.50 × 1.50 × 0.37mm