This product continues to be in production to support existing customers.
42V, 5A, Step-Down Regulator with Integrated High Side MOSFET


Models (5)

Title Category Type Date
TPS54540 Unencrypted PSpice Average Model PSpice Model ZIP 17 Sep 2018
TPS54540 Unencrypted PSpice Transient Model PSpice Model ZIP 17 Sep 2018
Export TINA-TI Transient Spice Model from WEBENCH (Rev. A) TINA-TI Spice Model PDF 06 Nov 2015
TPS54540 PSpice Average Model PSpice Model ZIP 27 Jan 2014
TPS54540 PSpice Transient Model PSpice Model ZIP 09 May 2013

Design kits & evaluation modules (1)

Name Part# Type
TPS54540-Q1EVM-593 Automotive Qualified Step Down Converter 7V to 42V Input TPS54540-Q1EVM-593 Evaluation Modules & Boards

Reference designs

Automotive Wide Vin Front-End Power Reference Design w/Cold Crank Operation & Transient Protection

The TIDA-01179 reference design is an automotive front-end power supply that is able to supply 30W maximum output for the 12V car battery. The first stage is a buck-boost DC/DC converter that maintains a stable 15V output voltage over the full DC range of the 12V battery conditions specified in ISO (...)

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WEBENCH® Designer TPS54540-Q1

  Min   Max Range
Vin  V 4.5 to 42.0V
Vout  V 0.8 to 41V
Iout  A ≤ 5A
Ambient Temp  °C -40 to 150°C