High-Efficiency Adjustable Output Synchronous Boost Converter Reference Design

(ACTIVE) PMP10538

Description & Features

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Description

PMP10538 is a Single-Phase Synchronous Boost Converter using the LM5122 controller IC. The design accepts an input voltage of 18Vin to 20Vin and provides an output of 30Vout to 54Vout, capable of supplying 1.7A of continuous current to the load or 0A to 3.4A Max. The output voltage can be adjusted between 30Vout and 54Vout by driving the Vadj. input of the Op-Amp circuit between 0V and 3V.

Features

  • High efficiency design
  • Adjustable output voltage
  • Cycle-by-Cycle Current limit with programmable hiccup mode overload protection
  • Precision voltage reference accuracy of ±1%
  • Synchronizable to external clock


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Schematic/Block Diagram

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Design Files

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Bill of Materials (BOM)

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Parametrics
 PMP10538.1
(Output Voltage 1)
Vin (Min) (V)18
Vin (Max) (V)20
Vout (Nom) (V)54
Iout (Max) (A)1.7
Output Power (W)91.8
Isolated/Non-IsolatedNon-Isolated
Input TypeDC
TopologyBoost- Synchronous

TI Devices (2)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
LM321  Low Power Single Op Amp  Operational amplifiers (op amps)  Sample & Buy View Design Kits & Evaluation Modules
LM5122  3-65V Wide Vin, Current Mode Synchronous Boost Controller with Multiphase Capability  Step-up (boost)  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
LM321 Download Download
LM5122 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 1469 09 Jun 2015 0
Design files (6)
Title Abstract Type Size (KB) Date Views
ZIP 308 09 Jun 2015 0
ZIP 721 09 Jun 2015 0
PDF 1305 09 Jun 2015 0
PDF 145 09 Jun 2015 0
PDF 137 09 Jun 2015 0
PDF 424 09 Jun 2015 0

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