ZHCSL91B
October 2020 – March 2022
TPS25947
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
Timing Requirements
7.7
Switching Characteristics
15
7.8
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Input Reverse Polarity Protection
8.3.2
Undervoltage Lockout (UVLO and UVP)
8.3.3
Overvoltage Lockout (OVLO)
8.3.4
Overvoltage Clamp (OVC)
8.3.5
Inrush Current, Overcurrent, and Short Circuit Protection
8.3.5.1
Slew Rate (dVdt) and Inrush Current Control
8.3.5.2
Circuit-Breaker
8.3.5.3
Active Current Limiting
8.3.5.4
Short-Circuit Protection
8.3.6
Analog Load Current Monitor
8.3.7
Reverse Current Protection
8.3.8
Overtemperature Protection (OTP)
8.3.9
Fault Response and Indication (FLT)
8.3.10
Auxiliary Channel Control (AUXOFF)
8.3.11
Power Good Indication (PG)
8.4
Device Functional Modes
9
Application and Implementation
9.1
Application Information
9.2
Single Device, Self-Controlled
9.3
Typical Application
9.3.1
Design Requirements
9.3.2
Detailed Design Procedure
9.3.2.1
Device Selection
9.3.2.2
Setting Undervoltage and Overvoltage Thresholds
9.3.2.3
Setting Output Voltage Rise Time (tR)
9.3.2.4
Setting Power Good Assertion Threshold
9.3.2.5
Setting Overcurrent Threshold (ILIM)
9.3.2.6
Setting Overcurrent Blanking Interval (tITIMER)
9.3.3
Application Curves
9.4
Active ORing
9.5
Priority Power MUXing
9.6
USB PD Port Protection
9.7
Parallel Operation
10
Power Supply Recommendations
10.1
Transient Protection
10.2
Output Short-Circuit Measurements
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Documentation Support
12.1.1
Related Documentation
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)
RPW|10
MPQF568
散热焊盘机械数据 (封装 | 引脚)
订购信息
zhcsl91b_oa
zhcsl91b_pm
8
Detailed Description