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

(ACTIVE) TIDA-00200

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Key Document

Description

The TI Design TIDA-00200 proposes an interleaved flyback topology for battery charger applications that require an output power level of ~200W 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 at the same time spreads out the heat for greatly reduced cooling efforts. A fan is typically not needed; the need for smaller form factor heat sinks provides additional design flexibility.

Features

• Input: 100V-120V +/- 10%  AC 50/60Hz
• Output Voltage 21V (5 Li-Ion battery cells), up-to 9.5 A charge current
• 90% Efficiency
• Interleaved Flyback Topology based on LM5032 High Voltage Dual Interleaved Current Mode Controller
• Programmable Line Under-Voltage Lockout & Cycle-by-cycle Current Limit
• Feedback based on TLC272 Dual Single Supply Operational Amplifier


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


  



Schematic/Block Diagram

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Design Files

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TI Devices (2)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
LM5032  High Voltage Dual Interleaved Current Mode Controller  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules
TLC272  Dual Single Supply Operational Amplifier  Operational amplifiers (op amps)  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
LM5032 Download Download
TLC272 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
PDF 4176 12 May 2016
Design files (6)
Title Abstract Type Size (KB) Date
ZIP 203 07 Aug 2014
ZIP 2242 07 Aug 2014
PDF 1195 07 Aug 2014
PDF 195 07 Aug 2014
PDF 219 07 Aug 2014
PDF 233 07 Aug 2014

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