ZHCSJ60D
November 2018 – December 2019
TPS1HA08-Q1
PRODUCTION DATA.
1
特性
2
应用
3
说明
简化原理图
4
修订历史记录
5
Device Comparison Table
6
Pin Configuration and Functions
Pin Functions
6.1
Recommended Connections for Unused Pins
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
Switching Characteristics
7.7
SNS Timing Characteristics
7.8
Typical Characteristics
8
Parameter Measurement Information
9
Detailed Description
9.1
Overview
9.1.1
Device Nomenclature
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Protection Mechanisms
9.3.1.1
Thermal Shutdown
9.3.1.2
Current Limit
9.3.1.2.1
Current Limit Foldback
9.3.1.2.2
Selectable Current Limit Threshold
9.3.1.2.3
Undervoltage Lockout (UVLO)
9.3.1.2.4
VBB during Short-to-Ground
9.3.1.3
Energy Limit
9.3.1.4
Voltage Transients
9.3.1.4.1
Load Dump
9.3.1.4.2
Driving Inductive and Capacitive Loads
9.3.1.5
Reverse Battery
9.3.1.6
Fault Event – Timing Diagrams
9.3.2
Diagnostic Mechanisms
9.3.2.1
VOUT Short-to-Battery and Open-Load
9.3.2.1.1
Detection With Switch Enabled
9.3.2.1.2
Detection With Switch Disabled
9.3.2.2
SNS Output
9.3.2.2.1
RSNS Value
9.3.2.2.1.1
High Accuracy Load Current Sense
9.3.2.2.1.2
SNS Output Filter
9.3.2.3
ST Pin
9.3.2.4
Fault Indication and SNS Mux
9.3.2.5
Resistor Sharing
9.3.2.6
High-Frequency, Low Duty-Cycle Current Sensing
9.3.3
Enable Watchdog
9.4
Device Functional Modes
9.4.1
Off
9.4.2
Standby
9.4.3
Diagnostic
9.4.4
Standby Delay
9.4.5
Active
9.4.6
Fault
10
Application and Implementation
10.1
Application Information
10.1.1
Ground Protection Network
10.1.2
Interface With Microcontroller
10.1.3
I/O Protection
10.1.4
Inverse Current
10.1.5
Loss of GND
10.1.6
Automotive Standards
10.1.6.1
ISO7637-2
10.1.6.2
AEC – Q100-012 Short Circuit Reliability
10.1.7
Thermal Information
10.2
Typical Application
10.2.1
Design Requirements
10.2.2
Detailed Design Procedure
10.2.2.1
Thermal Considerations
10.2.2.2
Diagnostics
10.2.2.2.1
Selecting the RISNS Value
10.2.3
Application Curves
11
Power Supply Recommendations
12
Layout
12.1
Layout Guidelines
12.2
Layout Example
13
器件和文档支持
13.1
器件支持
13.1.1
相关文档
13.2
商标
13.3
静电放电警告
13.4
Glossary
14
机械、封装和可订购信息
1
特性
具有 8mΩ R
ON
(T
J
= 25°C) 的单通道智能高侧开关
符合汽车类 应用的 16 通道 AFE:
符合 AEC Q-100 标准
器件温度等级 1:–40°C 至 +125°C 的环境工作温度范围
可承受 40V 负载突降
提供功能安全
提供文档以帮助创建功能安全系统设计
通过可选电流限制提高可靠性
电流限制设置点为 20A 或 80A
电流钳位或瞬时关断的过流响应
强大的集成输出保护:
集成热保护
接地短路和电池短路保护
电池反向
时自动启动
发生失电和接地失效时自动关闭
集成输出钳位对电感负载进行消磁
可配置故障处理
可对模拟检测输出进行配置,以精确测量:
负载电流
电源电压
器件温度
将 FLT 指示返回到 MCU
开路负载和电池短路检测