8V @ 7A Synchronous Boost Reference Design with LM5121
PMP10092
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Description & Features

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Key Document

Description

The PMP10092 reference design is a synchronous boost converter that can operate over a 3V to 8V input range and produce an 8V output at 7A load. The circuit has an output disconnection switch for safety. Due to the synchronous design a high efficiency of 97% can be achieved.

Features
  • High Efficiency Synchronous Boost Topology
  • Output disconnection switch
  • Additional output-filter for low noise output voltage
  • Design has been built and tested and complete test report is included

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Schematic/Block Diagram

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Design Guide

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Design Files

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Parametrics
 PMP10092.1
(Output Voltage 1)
Vin (Min) (V)3
Vin (Max) (V)8
Vout (Nom) (V)8
Iout (Max) (A)7
Output Power (W)56
Isolated/Non-IsolatedNon-Isolated
Input TypeDC
TopologyBoost- Synchronous

TI Devices (3)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CSD18501Q5A  40V, N ch NexFET MOSFET™, single SON5x6, 3.2mOhm  MOSFETs  Sample & Buy View Design Kits & Evaluation Modules
CSD18509Q5B  40V, N ch NexFET MOSFET™, single SON5x6, 1.2mOhm  MOSFETs  Sample & Buy Not Available
LM5121  3-65V Wide Vin, Current Mode Synchronous Boost with Disconnection Switch Control  Step-up (boost)  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
CSD18501Q5A VSONP (DQJ)| 8 Download Download
CSD18509Q5B VSON-CLIP (DNK)| 8 Download Download
LM5121 Download

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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 1087 09 Oct 2015
Design files (5)
Title Type Size (KB) Date
ZIP 41 09 Oct 2015
ZIP 377 09 Oct 2015
PDF 677 09 Oct 2015
PDF 104 09 Oct 2015
PDF 419 09 Oct 2015

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