SLVSDM4E
November 2018 – June 2026
TPS1HA08-Q1
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Device Comparison Table
5
Pin Configuration and Functions
5.1
Recommended Connections for Unused Pins
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
SNS Timing Characteristics
6.8
Typical Characteristics
7
Parameter Measurement Information
8
Detailed Description
8.1
Overview
8.1.1
Device Nomenclature
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Protection Mechanisms
8.3.1.1
Thermal Shutdown
8.3.1.2
Current Limit
8.3.1.2.1
Current Limit Foldback
8.3.1.2.2
Selectable Current Limit Threshold
8.3.1.2.3
Undervoltage Lockout (UVLO)
8.3.1.2.4
VBB during Short-to-Ground
8.3.1.3
Energy Limit
8.3.1.4
Voltage Transients
8.3.1.4.1
Load Dump
8.3.1.4.2
Driving Inductive and Capacitive Loads
8.3.1.5
Reverse Battery
8.3.1.6
Fault Event – Timing Diagrams
8.3.2
Diagnostic Mechanisms
8.3.2.1
VOUT Short-to-Battery and Open-Load
8.3.2.1.1
Detection with Switch Enabled
8.3.2.1.2
Detection with Switch Disabled
8.3.2.2
SNS Output
8.3.2.2.1
RSNS Value
8.3.2.2.1.1
High Accuracy Load Current Sense
8.3.2.2.1.2
SNS Output Filter
8.3.2.3
ST Pin
8.3.2.4
Fault Indication and SNS Mux
8.3.2.5
Resistor Sharing
8.3.2.6
High-Frequency, Low Duty-Cycle Current Sensing
8.3.3
Enable Watchdog
8.4
Device Functional Modes
8.4.1
Off
8.4.2
Standby
8.4.3
Diagnostic
8.4.4
Standby Delay
8.4.5
Active
8.4.6
Fault
9
Application and Implementation
9.1
Application Information
9.1.1
Ground Protection Network
9.1.2
Interface with Microcontroller
9.1.3
I/O Protection
9.1.4
Inverse Current
9.1.5
Loss of GND
9.1.6
Automotive Standards
9.1.6.1
ISO7637-2
9.1.6.2
AEC – Q100-012 Short Circuit Reliability
9.1.7
Thermal Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Thermal Considerations
9.2.2.2
Diagnostics
9.2.2.2.1
Selecting the RISNS Value
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
Device Support
10.1.1
Related Documentation
10.2
Receiving Notification of Documentation Updates
10.3
Support Resources
10.4
Trademarks
10.5
Electrostatic Discharge Caution
10.6
Glossary
11
Revision History
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
PWP|16
MPDS371C
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slvsdm4e_oa
slvsdm4e_pm