3.3V@0.42A Non-Synchronous Step-Down Converter with Integrated MOSFET Reference Design


Design files


The PMP10018 design is a non-synchronous buck converter for automotive applications. It uses the TPS57040-Q1 to deliver an output voltage of 3.3V@0.42A.

  • High Switching Frequency
  • Automotive
  • This reference design was built and tested, and the test report is included
Output voltage options PMP10018.1
Vin (Min) (V) 7.2
Vin (Max) (V) 8.8
Vout (Nom) (V) 3.3
Iout (Max) (A) .42
Output Power (W) 1.386
Isolated/Non-Isolated Non-Isolated
Input Type DC
Topology Buck- Non Sync
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A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

Download ready-to-use system files to speed your design process.

TIDU929.PDF (554 K)

Test results for the reference design, including efficiency graphs, test prerequisites and more


Detailed schematic diagram for design layout and components


Complete listing of design components, reference designators, and manufacturers/part numbers


Detailed overview of design layout for component placement


Includes TI products in the design and potential alternatives.

AC/DC & DC/DC converters (integrated FET)

TPS57040-Q1Automotive 3.5V to 42V, 500mA Buck Converter with Eco-Mode™

Data sheet: PDF | HTML

Technical documentation

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Type Title Date
* Test report PMP10018 Test Results Apr. 14, 2015

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