Quad Phases Boost 12V to 28V@20A


Design files


The PMP4538 uses a single controller to build a 4-phase Boost converter, delivering 560W (28V@20A). An input under-voltage and over-voltage protection has been provided.

Output voltage options PMP4538.1
Vin (Min) (V) 11
Vin (Max) (V) 18
Vout (Nom) (V) 28
Iout (Max) (A) 20
Output Power (W) 560
Isolated/Non-Isolated Non-Isolated
Input Type DC
Topology Boost- Multiphase

Design files & products

Design files

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

SLUU756.PDF (612 K)

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

SLUR668.PDF (134 K)

Detailed schematic diagram for design layout and components

SLUR669.PDF (36 K)

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


Includes TI products in the design and potential alternatives.

Buck controllers (external switch)

TPS400904 Channel Multiphase Buck DC/DC Controller

Data sheet document-pdfAcrobat PDF
Low-side drivers

UCC27324Non-inverting 4-A/4-A dual-channel low side gate driver

Data sheet document-pdfAcrobat PDF open-in-new HTML

Technical documentation

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Type Title Date
Technical article Power Tips: Power Supplies for Car Audio Mar. 28, 2014
Technical article Power Tips: When to choose multiphase Oct. 31, 2013
Test report PMP4538 Test Results Nov. 11, 2011

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