9-15V Input, 1V@60A using the TPS40422 Multiphase Buck PMBus Controller


Design files


The PMP7328 reference design uses the TPS40422 to generate 1V at up to 60A. The design is optimized for small space while still maintaining good performance. The TPS40422 also offers PMBus control and reporting.

Output voltage options PMP7328.1
Vin (Min) (V) 9
Vin (Max) (V) 15
Vout (Nom) (V) 1
Iout (Max) (A) 60
Output Power (W) 60
Isolated/Non-Isolated Non-Isolated
Input Type DC
Topology Buck- Multiphase

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.

SLUU930.PDF (1035 K)

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

SLUR879.PDF (102 K)

Detailed schematic diagram for design layout and components

SLUR878.PDF (27 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)

TPS40422Dual Output or Multiphase Synchronous Buck Controller with PMBus

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

CSD87350Q5D30-V, N channel synchronous buck NexFET™ power MOSFET, SON 5 mm x 6 mm power block, 40 A

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

Technical documentation

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Type Title Date
Technical article Power Tips: When to choose multiphase Oct. 31, 2013
Test report PMP7328 Test Results Apr. 12, 2012

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