ZHCSO18A
december 2022 – june 2023
TPS281C30
PRODUCTION DATA
1
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
Thermal Information
7.6
Electrical Characteristics
7.7
SNS Timing Characteristics
7.8
Switching Characteristics
7.9
Typical Characteristics
8
Parameter Measurement Information
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Device Functional Modes
9.3.1
Working Mode
9.4
Feature Description
9.4.1
Accurate Current Sense
9.4.1.1
High Accuracy Sense Mode
9.4.2
Programmable Current Limit
9.4.2.1
Short-Circuit and Overload Protection
9.4.2.2
Capacitive Charging
9.4.3
Inductive-Load Switching-Off Clamp
9.4.4
Inductive Load Demagnetization
9.4.5
Full Protections and Diagnostics
9.4.5.1
Open-Load Detection
9.4.5.2
Thermal Protection Behavior
9.4.5.3
Undervoltage Lockout (UVLO) Protection
9.4.5.4
Overvoltage (OVP) Protection
9.4.5.5
Reverse Polarity Protection
9.4.5.6
Protection for MCU I/Os
9.4.5.7
Diagnostic Enable Function
9.4.5.8
Loss of Ground
10
Application and Implementation
10.1
Application Information
10.2
Typical Application
10.2.1
Design Requirements
10.2.1.1
IEC 61000-4-5 Surge
10.2.2
Detailed Design Procedure
10.2.2.1
Selecting RILIM
10.2.2.2
Selecting RSNS
10.3
Power Supply Recommendations
10.4
Layout
10.4.1
Layout Guidelines
10.4.1.1
EMC Considerations
10.4.2
Layout Example
10.4.2.1
PWP Layout without a GND Network
10.4.2.2
PWP Layout with a GND Network
10.4.2.3
RGW Layout with a GND Network
10.4.3
Thermal Considerations
11
Device and Documentation Support
11.1
接收文档更新通知
11.2
支持资源
11.3
Trademarks
11.4
静电放电警告
11.5
术语表
12
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
RGW|20
MPQF122C
散热焊盘机械数据 (封装 | 引脚)
RGW|20
QFND012L
订购信息
zhcso18a_oa
zhcso18a_pm
10.1
Application Information