Highly Efficient 100W Synchronous DC/DC Buck Reference Design for 40V Input Applications

(ACTIVE) PMP7165

Description & Features

Technical Documents

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Description

This stepdown Synchronous DC-DC Solution  provides 5V output at 20 A from a 40V/42V input with maximum efficiency.

Features
  • TPS40170 control IC with integrated synchronous gate drivers
  • Low gate charge (Qg) NexFETs minimize power losses
  • Voltage mode control with voltage feed forward
  • Lossless low-side MOSFET sensing over-current protection and high-side MOSFET sensing short-circuit protection
  • Built and tested circuit design

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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
 PMP7165.1
(Output Voltage 1)
Vin (Min) (V)36
Vin (Max) (V)44
Vout (Nom) (V)5
Iout (Max) (A)21
Output Power (W)105
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
CSD18531Q5A  60V N-Channel NexFET Power MOSFETs, CSD18531Q5A  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
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
PDF 273 10 Oct 2014 5
Design files (3)
Title Abstract Type Size (KB) Date Views
PDF 87 10 Oct 2014 2
PDF 23 10 Oct 2014 2
PDF 36 10 Oct 2014 8

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