SDAA302A
May 2026 – August 2026
TPS53689
,
TPS53689T
,
TPS536C9
,
TPS536C9T
1
Abstract
Trademarks
1
Introduction
2
Definition of Bump in Multiphase VR Systems
3
System Description and Observed Error
4
Simulation Analysis and Sequence of Events
5
Undervoltage Fault Trigger Identification
6
Measurement Validation
7
Summary
8
References
9
Revision History
8
References
Texas Instruments,
TPS53689T Dual- channel (N + M ≤ 8 phase) D-CAP+, Step-down, Multiphase Controllers with TLVR support, PMBus and VR14 SVID Interfaces
, datasheet.
Texas Instruments,
TPS536C9T Dual- channel (N + M ≤ 12 phase) D-CAP+, Step-down, Multiphase Controllers with TLVR support, PMBus and VR14 SVID Interfaces
, datasheet.