SLVAFT6
September 2024
TPS23521
,
TPS23523
,
TPS23525
1
Abstract
Trademarks
1
Introduction
2
Existing Design and Challenges
3
Negative Hot-Swap Controller – TPS2352x
4
Output Voltage Clamping with TPS2352x
5
Design Procedure and Implementation
5.1
Configuring the Current Limit Switch-Over Threshold for TPS2352x
5.2
Feedback and Control Loop Response
5.3
Powering the Feedback Amplifier
5.4
Noise Immunity
6
Test Results
6.1
Startup
6.2
NEBS Transient Response
7
Summary
8
References
8
References
Texas Instruments,
TPS23521: –48-V High Performance Hot Swap Controller,
data sheet.
Texas Instruments,
TPS7A4001 100-V Input Voltage, 50-mA, Very High Voltage Linear Regulator,
data sheet.
Texas Instruments,
OPAx863A High-Precision, 105MHz, Rail-to-Rail Input/Output Amplifiers,
data sheet.
Texas Instruments,
Protecting Radio, Baseband and Active Antenna Systems with TPS2352x Hot Swaps,
application note.
Telecom industry-standard,
ATIS-0600315.2018