Boost for Capacitor Charging with 48V @ 1A Peak Reference Design


Design files


This design is a boost converter for charging a 6800uF electrolytic capacitor to 48V from an input voltage of 18 to 35V.

Output voltage options PMP8711.1
Vin (Min) (V) 18
Vin (Max) (V) 35
Vout (Nom) (V) 48
Iout (Max) (A) 1
Output Power (W) 48
Isolated/Non-Isolated Non-Isolated
Input Type DC
Topology Boost- 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.

SNVU410.PDF (358 K)

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

SNVR420.PDF (59 K)

Detailed schematic diagram for design layout and components

SNVR421.PDF (18 K)

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


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 PMP8711 Test Results Apr. 03, 2014

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