SLVSCV8E
December 2015 – June 2025
TPS4H160-Q1
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Device Comparison Table
5
Pin Configuration and Functions
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
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Pin Current and Voltage Conventions
7.3.2
Accurate Current Sense
7.3.3
Adjustable Current Limit
7.3.4
Inductive-Load Switching-Off Clamp
7.3.5
Fault Detection and Reporting
7.3.5.1
Diagnostic Enable Function
7.3.5.2
Multiplexing of Current Sense
7.3.5.3
Fault Table
7.3.5.4
STx and FAULT Reporting
7.3.6
Full Diagnostics
7.3.6.1
Short-to-GND and Overload Detection
7.3.6.2
Open-Load Detection
7.3.6.2.1
Channel On
7.3.6.2.2
Channel Off
7.3.6.3
Short-to-Battery Detection
7.3.6.4
Reverse Polarity Detection
7.3.6.5
Thermal Fault Detection
7.3.6.5.1
Thermal Shutdown
7.3.7
Full Protections
7.3.7.1
UVLO Protection
7.3.7.2
Loss-of-GND Protection
7.3.7.3
Protection for Loss of Power Supply
7.3.7.4
Reverse-Current Protection
7.3.7.5
MCU I/O Protection
7.4
Device Functional Modes
7.4.1
Working Modes
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.3
Application Curves
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.2
Layout Examples
8.4.2.1
Without a GND Network
8.4.2.2
With a GND Network
9
Device and Documentation Support
9.1
Receiving Notification of Documentation Updates
9.2
Support Resources
9.3
Trademarks
9.4
Electrostatic Discharge Caution
9.5
Glossary
10
Revision History
11
Mechanical, Packaging, and Orderable Information
1
Features
Qualified for automotive applications
AEC-Q100 qualified with the following results:
Device temperature grade 1: –40°C to 125°C ambient operating temperature range
Device HBM ESD classification level H3A
Device CDM ESD classification level C4B
Functional Safety-Capable
Documentation available to aid functional safety system design
Quad-channel 160mΩ smart high-side switch with full diagnostics
Version A: open-drain digital output
Version B: current-sense analog output
Wide operating voltage 3.4V to 40V
Ultra-low standby current: <500nA
High-accuracy current sense: ±15% under >25mA load
Adjustable current limit with external resistor, ±15% under >500mA load
Protection
Short-to-GND protection by current limit (internal or external)
Thermal shutdown with latch off option and thermal swing
Inductive load negative voltage clamp with optimized slew rate
Loss-of-GND and loss-of-battery protection
Diagnostics
Overcurrent and short-to-ground detection
Open-load and short-to-battery detection
Global fault report for fast interrupt
28-pin thermally-enhanced PWP package