ZHCSMM1C
April 2023 – February 2024
TPS274C65
PRODUCTION DATA
1
1
特性
2
应用
3
说明
4
Device Comparison Table
5
Pin Configuration and Functions
7
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Switching Characteristics
6.7
SPI Timing Requirements
6.8
Typical Characteristics
7
Parameter Measurement Information
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Pin Diagrams
8.3.2
SPI Mode Operation
8.3.2.1
Diagnostic Bit Behavior
8.3.3
Programmable Current Limit
8.3.3.1
Inrush Current Handling
8.3.4
DO_EN Feature
8.3.5
Protection Mechanisms
8.3.5.1
Overcurrent Protection
8.3.5.2
Short Circuit Protection
8.3.5.2.1
VS During Short-to-Ground
8.3.5.3
Inductive-Load Switching-Off Clamp
8.3.5.4
Inductive Load Demagnetization
8.3.5.5
Thermal Shutdown
8.3.5.6
Undervoltage protection on VS
8.3.5.7
Undervoltage Lockout on Low Voltage Supply (VDD_UVLO)
8.3.5.8
Power-Up and Power-Down Behavior
8.3.5.9
Reverse Current Blocking
8.3.6
Diagnostic Mechanisms
8.3.6.1
Current Sense
8.3.6.1.1
RSNS Value
8.3.6.1.1.1
SNS Output Filter
8.3.6.2
Fault Indication
8.3.6.2.1
Current Limit Behavior
8.3.6.3
Short-to-Battery and Open-Load Detection
8.3.6.4
On-State Wire-Break Detection
8.3.6.5
Off State Wire-Break Detection
8.3.6.6
ADC
8.3.7
LED Driver
8.4
Device Functional Modes
8.4.1
OFF/POR
8.4.2
INIT
8.4.3
Active
8.5
TPS274C65BS Available Registers List
8.6
TPS274C65 Registers
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
IEC 61000-4-5 Surge
9.2.2.2
Loss of GND
9.2.2.3
Paralleling Channels
9.2.3
Application Curves
9.3
Power Supply Recommendations
9.4
Layout
9.4.1
Layout Guidelines
9.4.2
Layout Example
10
Device and Documentation Support
10.1
接收文档更新通知
10.2
支持资源
10.3
Trademarks
10.4
静电放电警告
10.5
术语表
11
Revision History
12
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
RHA|40
MPQF135D
散热焊盘机械数据 (封装 | 引脚)
RHA|40
QFND047R
订购信息
zhcsmm1c_oa
zhcsmm1c_pm
9.4
Layout