ZHCSFF5G
July 2016 – December 2019
TPS2660
PRODUCTION DATA.
1
特性
2
应用
简化电路原理图
3
说明
–60V 电源时的反向输入极性保护
4
修订历史记录
5
Device Comparison Table
6
Pin Configuration and Functions
Pin 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
Typical Characteristics
8
Parameter Measurement Information
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Undervoltage Lockout (UVLO)
9.3.2
Overvoltage Protection (OVP)
9.3.3
Reverse Input Supply Protection
9.3.4
Hot Plug-In and In-Rush Current Control
9.3.5
Overload and Short Circuit Protection
9.3.5.1
Overload Protection
9.3.5.1.1
Active Current Limiting
9.3.5.1.2
Electronic Circuit Breaker with Overload Timeout, MODE = OPEN
9.3.5.2
Short Circuit Protection
9.3.5.2.1
Start-Up With Short-Circuit On Output
9.3.5.3
FAULT Response
9.3.5.3.1
Look Ahead Overload Current Fault Indicator
9.3.5.4
Current Monitoring
9.3.5.5
IN, OUT, RTN, and GND Pins
9.3.5.6
Thermal Shutdown
9.3.5.7
Low Current Shutdown Control (SHDN)
9.4
Device Functional Modes
10
Application and Implementation
10.1
Application Information
10.2
Typical Application
10.2.1
Design Requirements
10.2.2
Detailed Design Procedure
10.2.2.1
Step by Step Design Procedure
10.2.2.2
Programming the Current-Limit Threshold—R(ILIM) Selection
10.2.2.3
Undervoltage Lockout and Overvoltage Set Point
10.2.2.4
Programming Current Monitoring Resistor—RIMON
10.2.2.5
Setting Output Voltage Ramp Time—(tdVdT)
10.2.2.5.1
Case 1: Start-Up Without Load—Only Output Capacitance C(OUT) Draws Current During Start-Up
10.2.2.5.2
Case 2: Start-Up With Load—Output Capacitance C(OUT) and Load Draws Current During Start-Up
10.2.2.5.3
Support Component Selections—RFLTb and C(IN)
10.2.3
Application Curves
10.3
System Examples
10.3.1
Acive ORing Operation
10.3.2
Field Supply Protection in PLC, DCS I/O Modules
10.3.3
Simple 24-V Power Supply Path Protection
10.4
Do's and Don'ts
11
Power Supply Recommendations
11.1
Transient Protection
12
Layout
12.1
Layout Guidelines
12.2
Layout Example
13
器件和文档支持
13.1
器件支持
13.2
文档支持
13.2.1
相关文档
13.3
接收文档更新通知
13.4
社区资源
13.5
商标
13.6
静电放电警告
13.7
Glossary
14
机械、封装和可订购信息
封装选项
请参考 PDF 数据表获取器件具体的封装图。
机械数据 (封装 | 引脚)
RHF|24
PWP|16
散热焊盘机械数据 (封装 | 引脚)
PWP|16
PPTD333C
订购信息
zhcsff5g_oa
zhcsff5g_pm
1
特性
4.2V 至 60V 工作电压,绝对最大值为 62V
集成反向输入极性保护,低至 –60V
无需额外组件
总 RON 为 150mΩ 的集成背对背 MOSFET
0.1A 至 2.23A 可调节电流限制
(1A 时精确度为 ±5%)
提供功能安全
提供文档以帮助创建功能安全系统设计
使用最少的外部组件在浪涌期间提供负载保护 (IEC 61000-4-5)
IMON 电流指示器输出(精度为 ±8.5%)
低静态电流,工作时为 300µA,关断时为 20µA
可调节的 UVLO、OVP 切断、输出压摆率控制
反向电流阻断
38V 固定过压钳位(仅限 TPS26602)
采用易于使用的 16 引脚 HTSSOP 和 24 引脚 VQFN 封装
可选电流限制故障响应选项(自动重试、闭锁、断路器模式)
经 UL 2367 认证
文件编号169910
R
ILIM
≥ 5.36kΩ(最大电流为 2.35A)
UL60950 - 单点故障测试期间安全
开路/短路 ILIM 检测