310W PSU Using Transition Mode Bridgeless PFC and LLC-SRC - Reference Design

(ACTIVE) PMP9640

Description & Features

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Description

High efficiency, high power factor and reliable power supply are the main focus of the PMP9640 design for motor driver applications.  Low cost analog transition mode (TM) PFC controller UCC28051 has been used for bridgeless PFC as the first conversion stage of the PMP9640.  LLC series resonant converter (SRC) with UCC25600 is applied as the second stage of the PMP9640.  In addition, a high-side buck converter with UCC28710 is applied here as the bias supply.  In this design, bridgeless PFC efficiency can go up to 98.5%.

Features
  • Universal 85VAC-264VAC input
  • 28V 310W output
  • Up to 98.5% PFC efficiency
  • TM bridgeless PFC output power goes up to 365W
  • AC-DC PSR buck for bias supply

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Schematic/Block Diagram

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Test Data

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Design Files

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Bill of Materials (BOM)

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Parametrics
 PMP9640.1
(Output Voltage 1)
Vin (Min) (V)85
Vin (Max) (V)265
Vout (Nom) (V)28
Iout (Max) (A)11
Output Power (W)308
Isolated/Non-IsolatedIsolated
Input TypeAC
TopologyBuck- Non Sync
Half Bridge- LLC
PFC- Boost

TI Devices (3)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
UCC25600  8-Pin High-Performance Resonant Mode LLC Controller  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules
UCC28051  PFC Controller for low to medium power applications requiring compliance with IEC 61000-3-2  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules
UCC28710  Constant-Voltage, Constant-Current PWM Controller with Primary-Side Regulation  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)
UCC25600 Download Download
UCC28051 Download Download
Download Download
UCC28710 Download

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Technical Documents

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

Application notes (1)
Title Abstract Type Size (KB) Date Views
PDF 301 24 Oct 2014 123
User guides (1)
Title Abstract Type Size (KB) Date Views
PDF 1519 18 Sep 2014 33
Design files (5)
Title Abstract Type Size (KB) Date Views
ZIP 276 18 Sep 2014 11
PDF 566 18 Sep 2014 13
PDF 161 18 Sep 2014 11
PDF 167 18 Sep 2014 16
PDF 234 18 Sep 2014 92

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