16.8V/18A 4 Switch Buck Boost Reference Design
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Description & Features

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Key Document


The PMP10214 reference design has a wide input voltage range  from 8 -16V DC with a surge capapbility to 40V. The topology is 4 switch buck boost.  It is best suited for charging 4s Li-Ion starter batteries (4 cells).

  • Efficiencies up to 98.5%
  • With input filter
  • Full power 300W at convectional cooling
  • Wide input voltage range (8V-16V)
  • Can withstand input voltages up to 40V (surge)
  • Built and tested

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Schematic/Block Diagram

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Design Guide

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Design Files

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(Output Voltage 1)
Vin (Min) (V)8
Vin (Max) (V)16
Vout (Nom) (V)16.8
Iout (Max) (A)18
Output Power (W)302.4
Input TypeDC
TopologyBuck Boost- 4 Switch

TI Devices (1)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
LM5175  42V Wide Vin 4-Switch Synchronous Buck-Boost Controller  Buck-boost & inverting regulators  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
LM5175 Download Download
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Technical documentation

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User guide (1)
Title Type Size (KB) Date
PDF 1180 05 Dec 2016
Design files (5)
Title Type Size (KB) Date
ZIP 140 03 Nov 2015
ZIP 839 03 Nov 2015
PDF 1797 03 Nov 2015
PDF 103 03 Nov 2015
PDF 262 03 Nov 2015

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