SLVAFH6
November 2023
LM25066
,
LM5066
,
LM5066I
,
TPS25984
,
TPS25985
,
TPS25990
,
TPS536C9T
1
Abstract
Trademarks
1
Introduction
2
What are PSYS™ and PSYS_CRIT#™?
3
Implementation of PSYS Monitor
3.1
Existing Designs
3.2
Proposed Designs
4
ISYS Resistor (RISYS) and Gain (ISYS_IN_GAIN) Selection in TPS536C9T VR14 Controller
4.1
Steps to Calculate the Value of RIMON or RISYS and ISYS_IN_GAIN
4.2
Design Example
5
Functional Verification of PSYS and PSYS_CRIT# in TPS536C9T VR14 Controller Using TPS25984, TPS25985, or TPS25990 eFuses as PSYS Monitor
6
Extraction of Platform Current Information With Multiple PSYS Monitors Connected to the Same PSU
6.1
Designing the Non-Inverting Summing Amplifier
6.2
Design Guideline and Example
7
Summary
8
References
Application Note
Implementation of PSYS Monitor Using TPS25984, TPS25985, or TPS25990 eFuses