TIDA-00200 Reference Design

Texas Instruments

120V AC 200W: 90% Efficiency: Interleaved Flyback for Battery Charging Applications Reference Design

Description

TIDA-00200 proposes an interleaved flyback topology for battery charger applications that require an output power level of ~200 W with a minimized bill of material. Besides the actual electronic components: the efforts for cooling are a major contributor to the overall design cost. By taking advantage of the LM5032 high voltage dual interleaved current mode controller: the design accomplishes great efficiency of 90% at full load and spreads out the heat for reduced cooling efforts. A fan is typically not needed. The need for smaller form factor heat sinks provides additional design flexibility.

Features
  • Input: 100 V to 120 V +/- 10% AC 50/60 HzOutput voltage 21 V (5 Li-Ion battery cells): up-to 9.5-A charge current90% efficiencyInterleaved flyback topology based on LM5032 high voltage dual interleaved current mode controllerProgrammable line under voltage lockout and cycle-by-cycle current limitFeedback based on TLC272 dual single supply operational amplifier
Applications
  • Appliances: battery charger
  • Industrial AC-DC
  • Drone accessories
Product Categories
  • Power management

Parts

Part Number Name Companion Part
LM5032 LM5032 Buy Datasheet
TLC272 TLC272 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)
TIDA-00200 Gerber 07 Aug 2014 ZIP 203
TIDA-00200 CAD Files 07 Aug 2014 ZIP 2242
TIDA-00200 PCB 07 Aug 2014 PDF 1195
TIDA-00200 Assembly Drawing 07 Aug 2014 PDF 195
TIDA-00200 BOM 07 Aug 2014 PDF 219
TIDA-00200 Schematic 07 Aug 2014 PDF 233