ZHCSC61B
March 2014 – September 2020
TPS2556-Q1
,
TPS2557-Q1
PRODUCTION DATA
1
特性
2
应用
3
说明
4
Revision History
5
Device Comparison Table
6
Terminal Configuration and Functions
Terminal Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
Handling Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Switching Characteristics
7.7
Typical Characteristics
16
8
Parameter Measurement Information
18
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Overcurrent Conditions
9.3.2
FAULT Response
9.3.3
Thermal Sense
9.4
Device Functional Modes
9.4.1
Undervoltage Lockout (UVLO)
9.4.2
Enable ( EN OR EN)
9.4.3
Auto-Retry Functionality
9.4.4
Two-Level Current-Limit Circuit
10
Applications and Implementation
10.1
Application Information
10.2
Typical Application, Design for Current Limit
10.2.1
Design Requirements
10.2.2
Detailed Design Procedure
10.2.2.1
Determine Design Parameters
10.2.2.2
Programming the Current-Limit Threshold
10.2.2.3
Selecting Current-Limit Resistor 1
10.2.2.4
Selecting Current-Limit Resistor 2
10.2.2.5
Accounting for Resistor Tolerance
10.2.2.6
Power Dissipation and Junction Temperature
10.2.3
Application Curves
11
Power Supply Recommendations
44
12
Layout
12.1
Layout Guidelines
12.2
Layout Example
13
Device and Documentation Support
13.1
Related Links
13.2
Trademarks
13.3
Electrostatic Discharge Caution
13.4
Glossary
14
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
DRB|8
MPDS118K
散热焊盘机械数据 (封装 | 引脚)
DRB|8
QFND043N
订购信息
zhcsc61b_oa
zhcsc61b_pm
1
特性
符合 AEC-Q100
器件人体放电模式 (HBM) 静电放电 (ESD) 分类等级 H2
器件组件充电模式 (CDM) ESD 分类等级 C5
提供功能安全
可帮助进行功能安全系统设计的文档
满足 USB 限流要求
可调电流限值:500mA 至 5A(典型值)
4.5A 电流下的限流精度为 ±6.5%
快速短路响应:3.5μs(典型值)
22mΩ 高侧 MOSFET
工作电压范围:2.5V 至 6.5V
最大待机电源电流 2μA
内置软启动
15kV 和 8kV 系统级 ESD 能力
安全相关认证:
通过 UL 2367 的 UL 认证
通过 IEC 60950 的 CB 认证
通过 IEC 62368 的 CB 认证