40W SEPIC Conv w/Dual-Inductor High Efficiency Operating w/Automotive Input Range Reference Design


Design files


This dual-inductor 13.2V@3A SEPIC converter achieves greater than 92% efficiency. It utilizes all surface mount components, maintains a low temperature rise and is capable of high peak load transients.

Output voltage options PMP9184C.1
Vin (Min) (V) 6
Vin (Max) (V) 16
Vout (Nom) (V) 13.2
Iout (Max) (A) 3
Output Power (W) 39.6
Isolated/Non-Isolated Non-Isolated
Input Type DC
Topology Sepic- CCM
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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.

SNVU378.PDF (1845 K)

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

SNVR379.PDF (101 K)

Detailed schematic diagram for design layout and components

SNVR380.PDF (25 K)

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

SNVU379.PDF (75 K)

PCB layer plot file used for generating PCB design layout


Includes TI products in the design and potential alternatives.

Boost controllers (external switch)

LM34812.97V to 48V High-Efficiency Controller for Boost, SEPIC and Flyback

Data sheet: PDF | HTML

Technical documentation

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Type Title Date
Test report PMP9184C Test Results Dec. 19, 2013

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