STDA031
August 2026
TPS552892-Q1
,
TPS61383-Q1
1
Abstract
1
Crash Power Module Introduction
2
CPM System Block and Design Requirements
2.1
System Block
2.2
Design Requirements
2.3
System Architecture
3
Supercapacitor Parameters and Door Lock Load Profile
3.1
Supercapacitor Parameters
3.2
Charging Time Requirements
3.3
Door Lock Load Profile
4
Power Management Designs
4.1
5s Supercapacitor Design
4.2
3s Supercapacitor Design
4.3
1s Supercapacitor Design
4.4
Comparison and Summary of Different Designs
5
Summary
6
References
6
References
Texas Instruments,
E-Latch design resources
, webpage.
Texas Instruments,
E-latch with 5S SuperCaps Solution Using Buck-Boost Converter
, application note.
Texas Instruments,
Battery or Capacitor Backup Operation with the LM51772
, application note.
Texas Instruments,
Automotive E-latch Systems Design Guideline using TPS61383-Q1
, application note.