ZHCSSN6A
August 2023 – October 2023
TPS25983
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
Electrical Characteristics
7.6
Timing Requirements
7.7
Switching Characteristics
7.8
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Undervoltage Protection (UVLO and UVP)
8.3.2
Overvoltage Protection (OVP)
8.3.3
Inrush Current, Overcurrent, and Short-Circuit Protection
8.3.3.1
Slew Rate and Inrush Current Control (dVdt)
8.3.3.2
Circuit Breaker
8.3.3.3
Active Current Limiting
8.3.3.4
Short-Circuit Protection
8.3.4
Overtemperature Protection (OTP)
8.3.5
Analog Load Current Monitor (IMON)
8.3.6
Power Good (PG)
8.3.7
Reverse Current Blocking FET Driver
8.3.8
Fault Response
8.4
Device Functional Modes
9
Application and Implementation
9.1
Application Information
9.2
Typical Application: Standby Power Rail Protection in Datacenter Servers
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Device Selection
9.2.2.2
Setting the Current Limit Threshold: RILIM Selection
9.2.2.3
Setting the Undervoltage and Overvoltage Lockout Set Point
9.2.2.4
Choosing the Current Monitoring Resistor: RIMON
9.2.2.5
Setting the Output Voltage Ramp Time (TdVdt)
9.2.2.5.1
Case 1: Start-Up Without Load: Only Output Capacitance COUT Draws Current
9.2.2.5.2
Case 2: Start-Up With Load: Output Capacitance COUT and Load Draw Current
9.2.2.6
Setting the Transient Overcurrent Blanking Interval (tITIMER)
9.2.2.7
Setting the Auto-Retry Delay and Number of Retries
9.2.3
Application Curves
9.3
System Examples
9.3.1
Optical Module Power Rail Path Protection
9.3.1.1
Design Requirements
9.3.1.2
Device Selection
9.3.1.3
External Component Settings
9.3.1.4
Voltage Drop
9.3.1.5
Application Curves
9.3.2
Input Protection for 12-V Rail Applications: PCIe Cards, Storage Interfaces, and DC Fans
9.3.3
Priority Power MUXing
9.4
Power Supply Recommendations
9.4.1
Transient Protection
9.4.2
Output Short-Circuit Measurements
9.5
Layout
9.5.1
Layout Guidelines
9.5.2
Layout Example
10
Device and Documentation Support
10.1
Documentation Support
10.1.1
Related Documentation
10.2
接收文档更新通知
10.3
支持资源
10.4
Trademarks
10.5
静电放电警告
10.6
术语表
11
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
RGE|24
MPQF124G
散热焊盘机械数据 (封装 | 引脚)
RGE|24
QFND572A
订购信息
zhcssn6a_oa
zhcssn6a_pm
1
特性
宽输入电压范围:2.7V 至 26V
绝对最大值为 30V
低导通电阻:R
ON
= 2.7mΩ(典型值)
可调节电流限制阈值
范围: 2A 至 18A
精度:±8%(I
LIM
> 5A 时的典型值)
断路器和限流器选项
可调节过流消隐计时器
处理负载瞬态而不跳变
精确的电流监视器输出
±1.5%(25°C 且 I
OUT
> 3A 时的典型值)
±3%(I
OUT
的最大值 > 3A)
用户可配置的故障响应
闭锁或自动重试
重试次数(有限或无限)
重试之间的延迟
强大的短路保护
快速跳变响应时间 < 400ns(典型值)
不受线路瞬变影响 - 无干扰性跳变
可调节的输出压摆率控制 (dVdt) 控制
可选择驱动外部 FET 以在禁用/关闭状态下实现反向电流阻断
可调节的欠压锁定
可调节过压锁定
集成式过热保护
电源正常状态指示
小尺寸:4mm × 4mm QFN 封装