12.5Vin to 15.5Vin, 24Vout @ 8A Synchronous Boost Converter Reference Design


Design files


PMP9385 is a Single-Phase Synchronous Boost Converter which accepts an input voltage of 12.5Vin to 15.5Vin and provides an output of 24Vout capable of supplying a maximum of 8A of current to the load. Design uses an LM5122 Synchronous Boost controller and CSD18531Q5A FETs.

  • High Efficiency Design
  • High Power Density : 192W/22 Sq. inches
  • Synchronizable to External Clock
  • Cycle-by-Cycle Current Limit with programmable hiccup mode overload protection
  • Voltage Reference Accuracy of +/-1%
  • Low Component Temperature Rise
Output voltage options PMP9385.1
Vin (Min) (V) 12.5
Vin (Max) (V) 15.5
Vout (Nom) (V) 24
Iout (Max) (A) 8
Output Power (W) 192
Isolated/Non-Isolated Non-Isolated
Input Type DC
Topology Boost- 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.

SNVU413A.PDF (992 K)

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

SNVR422A.PDF (395 K)

Detailed schematic diagram for design layout and components

SNVR423A.PDF (137 K)

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


Detailed overview of design layout for component placement


Files used for 3D models or 2D drawings of IC components

TIDCB20.ZIP (353 K)

Design file that contains information on physical board layer of design PCB

TIDRHJ5.PDF (1253 K)

PCB layer plot file used for generating PCB design layout


Includes TI products in the design and potential alternatives.

AC/DC & DC/DC controllers (external FET)

LM51223-65V Wide Vin, Current Mode Synchronous Boost Controller with Multiphase Capability

Data sheet: PDF | HTML

CSD18531Q5A60-V, N channel NexFET™ power MOSFET, single SON 5 mm x 6 mm, 4.6 mOhm

Data sheet: PDF | HTML

Technical documentation

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Type Title Date
* Test report PMP9385 Test Results (Rev. A) Sep. 28, 2015

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