SLVSFZ2C
April 2023 – February 2024
TPS274C65
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
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
Receiving Notification of Documentation Updates
10.2
Support Resources
10.3
Trademarks
10.4
Electrostatic Discharge Caution
10.5
Glossary
11
Revision History
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RHA|40
MPQF135D
Thermal pad, mechanical data (Package|Pins)
RHA|40
QFND047R
Orderable Information
slvsfz2c_oa
slvsfz2c_pm
Data Sheet
TPS274C65xS 72mΩ, Quad-Channel Smart High-Side Switch With SPI Interface and Diagnostics