ZHCSJN4C
February 2018 – February 2020
TPS2HB16-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
Table 3.
Absolute Maximum Ratings
Table 4.
ESD Ratings
Table 5.
Recommended Operating Conditions
Table 6.
Thermal Information
Table 7.
Electrical Characteristics
Table 8.
SNS Timing Characteristics
Table 9.
Switching Characteristics
7.1
Typical Characteristics
8
Parameter Measurement Information
9
Detailed Description
9.1
Overview
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
Programmable Current Limit
9.3.1.2.3
Undervoltage Lockout (UVLO)
9.3.1.2.4
VBB During Short-to-Ground
9.3.1.3
Voltage Transients
9.3.1.3.1
Load Dump
9.3.1.4
Driving Inductive Loads
9.3.1.5
Reverse Battery
9.3.1.6
Fault Event – Timing Diagrams (Version A/B)
9.3.2
Fault Event – Timing Diagrams - Version F
9.3.3
Diagnostic Mechanisms
9.3.3.1
VOUTx Short-to-Battery and Open-Load
9.3.3.1.1
Detection With Switch Enabled
9.3.3.1.2
Detection With Switch Disabled
9.3.3.2
SNS Output
9.3.3.2.1
RSNS Value
9.3.3.2.1.1
High Accuracy Load Current Sense
9.3.3.2.1.2
SNS Output Filter
9.3.3.3
Fault Indication and SNS Mux
9.3.3.4
Resistor Sharing
9.3.3.5
High-Frequency, Low Duty-Cycle Current Sensing
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
10.2.3
Application Curves
10.2.4
Design Requirements
10.2.5
Detailed Design Procedure
10.2.6
Application Curves
10.3
Typical Application
10.3.1
Design Requirements
10.3.2
Detailed Design Procedure
10.3.2.1
Thermal Considerations
10.3.2.2
RILIM Calculation
10.3.2.3
Diagnostics
10.3.2.3.1
Selecting the RSNS Value
10.3.3
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
文档支持
13.1.1
相关文档
13.2
接收文档更新通知
13.3
支持资源
13.4
商标
13.5
静电放电警告
13.6
Glossary
14
机械、封装和可订购信息
封装选项
机械数据 (封装 | 引脚)
PWP|16
MPDS371A
散热焊盘机械数据 (封装 | 引脚)
PWP|16
PPTD352A
订购信息
zhcsjn4c_oa
zhcsjn4c_pm
1
特性
符合汽车类 应用要求
具有符合 AEC-Q100 标准的下列特性:
器件温度等级 1:环境工作温度范围 T
A
= –40°C 至
125°C
器件 HBM ESD 分类等级 2
器件 CDM ESD 分类等级 C4B
可承受 40V 负载突降
具有
16mΩ
R
ON
(T
J
= 25°C) 的双通道智能高侧开关
通过
可调电流限制
提高系统级可靠性
电流限制可调范围为
4.1A 至 48.5A
,并且内部固定为
60A
强大的集成输出保护:
集成热保护
接地短路或电池短路保护
反向电池
事件保护包括电压反向时自动启动
发生失电或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
器件温度
通过 SNS 引脚提供故障指示
开路负载和电池短路检测