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High Power Small Form Factor Synchronous Buck To Output 12V@15A Reference Design
PMP10852B
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Key Document

Description

The PMP10852B reference design uses the LM5117, CSD18563 for the high side MOSFET and CSD18532 (x2) for the low side MOSFETs.  PMP10852B takes input voltages between 27V to 41V and outputs 180W(12V @15A).  The size is very small, total area is 1,200mm2 (30mm x 40mm) solution size. The design is ~95% efficient at full load.

Features
  • High Power(180W)
  • Wide Vin range (27V-41V)
  • Small size(1200mm2
  • 95% efficient

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Schematic/Block Diagram

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Design Files

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Parametrics
 PMP10852B.1
(Output Voltage 1)
Vin (Min) (V)27
Vin (Max) (V)41
Vout (Nom) (V)12
Iout (Max) (A)15
Output Power (W)180
Isolated/Non-IsolatedNon-Isolated
Input TypeDC
TopologyBuck- Synchronous

TI Devices (3)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CSD18532Q5B  60-V, N channel NexFET™ power MOSFET, single SON 5 mm x 6 mm, 3.2 mOhm  MOSFETs  Sample & Buy View Design Kits & Evaluation Modules
CSD18563Q5A  60-V, N channel NexFET™ power MOSFET, single SON 5 mm x 6 mm, 6.8 mOhm  MOSFETs  Sample & Buy View Design Kits & Evaluation Modules
LM5117  5.5-65V Wide Vin, Current Mode Synchronous Buck Controller with Analog Current Monitor  Step-down (buck) regulators  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
CSD18532Q5B VSON-CLIP (DNK)| 8 Download Download
CSD18563Q5A VSONP (DQJ)| 8 Download
LM5117 Download Download
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Technical documentation

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User guide (1)
Title Type Size (KB) Date
PDF 1936 13 May 2015
Design files (6)
Title Type Size (KB) Date
ZIP 406 13 May 2015
ZIP 412 13 May 2015
PDF 836 13 May 2015
PDF 97 13 May 2015
PDF 95 13 May 2015
PDF 248 13 May 2015

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