Two Phase 50W Synchronous Buck


Design files


The PMP6685 is 50W (1V at 50A) DC/DC reference design built to supply a digital analyzer chips utilizing TPS40322 two-phase Synchronous Buck converter. Very small design for cost optimized solutions.

Output voltage options PMP6685.1
Vin (Min) (V) 3.3
Vin (Max) (V) 3.6
Vout (Nom) (V) 1
Iout (Max) (A) 50
Output Power (W) 50
Isolated/Non-Isolated Non-Isolated
Input Type DC
Topology Buck- Synchronous

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.

SLUU706.PDF (1176 K)

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

SLUR590.PDF (104 K)

Detailed schematic diagram for design layout and components

SLUR591.PDF (28 K)

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


Includes TI products in the design and potential alternatives.

Boost converters (integrated switch)

TPS61093Low Input, 20V/1.1A Step-Up DC/DC Converter with Integrated Power Diode and Input/Output Isolation

Data sheet document-pdfAcrobat PDF open-in-new HTML
Buck controllers (external switch)

TPS40322Dual Output or Two-phase Synchronous Buck Controller

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

Technical documentation

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Type Title Date
Test report PMP6685 Test Results Oct. 19, 2011

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