Programmable output Constant Voltage - Constant Current (CVCC) Quasi-Resonant Flyback charger

(ACTIVE) PMP8955

Description & Features

Technical Documents

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Description

This industrial charger reference design uses the LM5023 Quasi-Resonant Flyback controller to implement a 120VAC input design with CVCC output configured by microcontroller PWM control from 10 to 22.5V and output current from 200mA to 2A.

Features
  • Ouput voltage and current independently configured by PWM input
  • >83% efficency above 20W @21.2V output
  • 5V output provided for secondary side micro-controller

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.


  



Schematic/Block Diagram

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Test Data

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Design Files

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TI Devices (4)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
LM317L  3-pin or 8-pin 100-mA adjustable positive regulator  Power management  Sample & Buy Not Available
LM358  Dual operational amplifier  Operational amplifiers (op amps)  Sample & Buy View Design Kits & Evaluation Modules
LM5023  AC-DC Quasi-Resonant Current Mode PWM Controller  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules
TL431  Adjustable precision shunt regulator  Voltage references  Sample & Buy Not Available

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
LM317L Download Download
Download -
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LM358 Download Download
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LM5023 Download Download
TL431 Download Download
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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
PDF 398 24 Mar 2015
Design files (4)
Title Abstract Type Size (KB) Date
ZIP 194 24 Mar 2015
PDF 139 24 Mar 2015
PDF 124 24 Mar 2015
PDF 207 24 Mar 2015

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