PMP8955 Reference Design

Texas Instruments

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

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 output5V output provided for secondary side micro-controller
Applications
Product Categories
  • Power management

Parts

Part Number Name Companion Part
LM317L LM317L Buy Datasheet
LM358 LM358 Buy Datasheet
LM5023 LM5023 Buy Datasheet
TL431A TL431A Buy Datasheet

Bill Of Materials

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Schematic

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Test Data

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Other Documents

Title Updated Type Size (KB)
PMP8955 Gerber 24 Mar 2015 ZIP 194
PMP8955 Assembly Drawing 24 Mar 2015 PDF 139
PMP8955 BOM 24 Mar 2015 PDF 124
PMP8955 Schematic 24 Mar 2015 PDF 207