SLVAFJ1
February 2023
TPS2121
Abstract
Trademarks
1
Introduction
1.1
Design Example Specification
2
Design Considerations
2.1
Highest Voltage Operation Scheme (VCOMP)
2.2
Output Voltage Dip and Switchover
2.3
Overvoltage Calculation
3
Test Results
3.1
Seamless Switchover from Main Power (IN1) to Backup Power (IN2)
3.2
Seamless Switchover from Backup Power (IN2) to Main Power (IN1)
4
Summary
5
References
5
References
Texas Instruments,
TPS212x 2.8-V to 22-V Priority Power MUX with Seamless Switchover
, data sheet.
Texas Instruments,
TPS212X, Evaluation Module User’s Guide
.
Texas Instruments,
Seamless Switchover for Backup Power Reference Design
.