94% Peak efficiency, 150W norm, 240W peak industrial AC/DC power supply with CC/CV reference design
TIDA-010038
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Key Document

Description

This compact, high efficiency, 24V DC, 150W nominal, 240W peak output at 230VAC reference design is targeted for industrial AC/DC power supplies. The circuit consists of a frontend transition mode (TrM) power factor correction(PFC) circuit based on the UCC28056, followed by a robust LLC stage for an isolated DC/DC converter based on the UCC256301. For high efficiency needs, synchronous rectification is done with the UCC24624. This design does not need an additional auxiliary power supply to meet no-load consumption. The design enables 94% peak efficiency and allows the system to work without forced cooling. This design has both constant current(CC) and constant voltage(CV) feedback loop which is suitable for battery charger application.

Features
  • Wide operation input range of 90 to 265V AC with full power delivery over entire range
  • Peak overall efficiency of 94.4% at 230V AC and 93% at 115V AC, enables natrual convection cooling
  • Delivers up to 6.25A continuous current and up to 10A peak current for 3 seconds
  • Adjustable output voltage from 22 to 28V
  • Very low no load power consumption of <400mW
  • System protected for overcurrent, short-circuit, and overvoltage ensuring safety needs

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Schematic/Block Diagram

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Design Files

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TI Devices (8)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CSD19533Q5A  100V, N ch NexFET MOSFET™, single SON5x6, 9.5mOhm  MOSFETs  Sample & Buy Not Available
INA180  26V current sense amplifier for cost-sensitive systems  Current sense amplifiers  Sample & Buy View Design Kits & Evaluation Modules
LM258  Dual standard, industrial-grade, operational amplifier  Operational amplifiers (op amps)  Sample & Buy View Design Kits & Evaluation Modules
LM317L  3-pin or 8-pin 100-mA adjustable positive regulator  Power management  Sample & Buy Not Available
TL103WA  Dual improved offset OpAmp with internal reference  Operational amplifiers (op amps)  Sample & Buy View Design Kits & Evaluation Modules
UCC24624  High frequency Dual Synchronous Rectifier Controller for LLC Converter  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules
UCC256301  Wide vin LLC resonant controller with high-voltage start up enabling ultra-low standby power  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules
UCC28056  6-pin high performance CRM/DCM PFC controller  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
CSD19533Q5A VSONP (DQJ)| 8 Download
INA180 Download -
Download
LM258 Download Download
Download Download
Download Download
LM317L Download Download
Download -
Download Download
Download Download
TL103WA Download Download
UCC24624 Download
UCC256301 Download Download
UCC28056 Download Download

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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 3686 12 Feb 2019
Design files (6)
Title Type Size (KB) Date
PDF 277 08 Oct 2019
PDF 356 11 Jan 2019
ZIP 281 30 Nov 2018
ZIP 70237 30 Nov 2018
PDF 1610 30 Nov 2018
PDF 466 30 Nov 2018

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