12V@4A Sync Boost Converter Operating from Single or Dual Li-Ion Batteries Reference Design


Design files


This synchronous boost converter efficiently operates from 3.0V - 8.6V (one or two Li-Ion cells) and regulates a 12V@4A output. Efficiency of greater than 97% is achieved when running from two cells.

Output voltage options PMP8921.1
Vin (Min) (V) 3
Vin (Max) (V) 8.6
Vout (Nom) (V) 12
Iout (Max) (A) 4
Output Power (W) 48
Isolated/Non-Isolated Non-Isolated
Input Type DC
Topology Boost- CCM^Buck- Synchronous
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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.

SLVU909.PDF (1858 K)

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

SLVRB63.PDF (130 K)

Detailed schematic diagram for design layout and components

SLVRB64.PDF (18 K)

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

SLVA591.PDF (82 K)

Detailed overview of design layout for component placement


Includes TI products in the design and potential alternatives.

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Technical documentation

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Type Title Date
Test report PMP8921 Test Results Apr. 15, 2013

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