24V to 12V@4.5A Synchronous Buck Converter Reference Design

(ACTIVE) PMP10902

Description & Features

Technical Documents

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Key Document

Description

This synchronous buck converter supplies 12V @ 4.5A from a 12.5V to 24V input. This converter was optimized to provide high efficiency in a small footprint for applications such as portable radios.

Features
  • Small area of less than 25mm x 40mm
  • Excellent efficiency (96.5% at 24Vin, 97.2% at 18Vin)
  • Low profile (4mm height)

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Schematic/Block Diagram

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Design Guide

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Design Files

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Bill of Materials (BOM)

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Parametrics
 PMP10902.1
(Output Voltage 1)
Vin (Min) (V)12.5
Vin (Max) (V)24
Vout (Nom) (V)12
Iout (Max) (A)4.5
Output Power (W)54
Isolated/Non-IsolatedNon-Isolated
Input TypeDC
TopologyBuck- Synchronous

TI Devices (2)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CSD87330Q3D  30V Synchronous Buck NexFET™ Power Block   MOSFETs  Sample & Buy View Design Kits & Evaluation Modules
TPS40170  4.5 V to 60 V Wide-Input Synchronous PWM Buck Controller  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
CSD87330Q3D LSON-CLIP (DQZ)| 8 Download -
TPS40170 Download Download

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Technical Documents

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.

User guides (1)
Title Abstract Type Size (KB) Date Views TI Recommends
PDF 1855 31 Oct 2016 0
Design files (6)
Title Abstract Type Size (KB) Date Views
ZIP 299 31 Oct 2016 0
ZIP 16689 31 Oct 2016 0
PDF 700 31 Oct 2016 0
PDF 56 31 Oct 2016 0
PDF 108 31 Oct 2016 0
PDF 134 31 Oct 2016 0

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