PMP10509

432W High-Efficiency Single-Phase Synchronous Buck Converter Reference Design

PMP10509

Design files

Overview

PMP10509 is a High-Efficiency Single-Phase Synchronous Buck Converter using the LM25117 controller IC. The design accepts an input voltage of 30.4Vin to 33.6Vin (32Vin Nominal) and provides an output of 24Vout capable of supplying 18A of continuous current to the load.

Features
  • Very high efficiency design: (98.4% Peak)
  • High power density: 432W/9.56 Sq. Inches
  • Programmable current limit with Hiccup Mode
  • Precision voltage reference accuracy of +/-1.5%
Output voltage options PMP10509.1
Vin (Min) (V) 30.4
Vin (Max) (V) 33.6
Vout (Nom) (V) 24
Iout (Max) (A) 18
Output Power (W) 432
Isolated/Non-Isolated Non-Isolated
Input Type DC
Topology 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.

TIDU912.PDF (1102 KB)

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

TIDRE68.PDF (131 KB)

Detailed overview of design layout for component placement

TIDRE69.PDF (179 KB)

Detailed overview of design layout for component placement

TIDRE67.PDF (71 KB)

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

TIDRE71.ZIP (564 KB)

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

TIDCA45.ZIP (333 KB)

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

TIDRE70.PDF (1089 KB)

PCB layer plot file used for generating PCB design layout

TIDRE66.PDF (388 KB)

Detailed schematic diagram for design layout and components

Products

Includes TI products in the design and potential alternatives.

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

LM251174.5-42V Wide Vin, Current Mode Synchronous Buck Controller with Tracking

Data sheet: PDF | HTML

Technical documentation

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Type Title Date
* Test report PMP10509 Test Results Apr 13, 2015

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