High Voltage Synchronous Buck, 5V/9A out of 48V Telecom Input Reference Design

(ACTIVE) PMP10117

Description & Features

Technical Documents

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Key Document

Description

This reference design delivers 5.1V with 9A output current out of 48V. It could be also used for 48V automotive bus voltage.

Features
  • Suitable for telecom
  • Small footprint (power stage: 24mm X 44mm)
  • Added input filter to attenuate reflected ripple
  • Excellent load regulation

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Schematic/Block Diagram

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Test Data

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Design Files

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Bill of Materials (BOM)

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Parametrics
 PMP10117.1
(Output Voltage 1)
Vin (Min) (V)46
Vin (Max) (V)50
Vout (Nom) (V)5.1
Iout (Max) (A)9
Output Power (W)45.9
Isolated/Non-IsolatedNon-Isolated
Input TypeDC
TopologyBuck- Synchronous

TI Devices (3)

Order samples, get tools and find more information on the TI products in this reference design.

Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CSD18531Q5A  60V N-Channel NexFET Power MOSFETs, CSD18531Q5A  MOSFETs  Sample & Buy View Design Kits & Evaluation Modules
CSD18534Q5A  60V N-Channel NexFET Power™ MOSFET  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)
CSD18531Q5A VSONP (DQJ)| 8 Download
CSD18534Q5A VSONP (DQJ)| 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 512 23 Sep 2015 12
Design files (5)
Title Abstract Type Size (KB) Date Views
ZIP 34 23 Sep 2015 3
ZIP 315 23 Sep 2015 3
PDF 551 23 Sep 2015 2
PDF 100 23 Sep 2015 3
PDF 143 23 Sep 2015 8

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