SDAA080
September 2025
TPS2HCS08-Q1
,
TPS2HCS10-Q1
1
Abstract
Trademarks
1
Introduction
2
High Side Switch Current Sense and Open Load Detection
2.1
Current Sense in High-side Switches
2.2
Open-Load Detection in High-side Switches
3
Smart eFuse Current Sense and Open Load Detection
3.1
Open Load Detection in eFuses
3.2
Open-Load Current Sense Scaling
3.3
ADC Input Scaling
3.4
OL_ON and ADC Input Scaling Programming Procedure
4
Normal vs. Open-Load Scaling Test Results
5
Design Considerations
6
Summary
7
References
7
References
Texas Instruments,
TPS2HCS08-Q1 8.9mΩ, Automotive Dual-Channel, SPI Controlled High-Side Switch With Integrated I2T Wire Protection and Low Power Mode
, data sheet
Texas Instruments,
High Accuracy Current Sense of Smart High Side Switches
, application report