350W PSU with Universal AC Input and 28V Output - Reference Design
PMP9531
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Description & Features

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Description

High efficiency, high power factor and reliable power supply are the main focus of the PMP9531 design for motor driver applications.  Transition mode (TM) power factor correction (PFC) with UCC28051 and LLC series resonant converter (SRC) with UCC25600 are applied in PMP9531.  In addition, a high-side buck converter with UCC28710 is applied here as the bias supply.  93% converter efficiency is achieved at high line while still obtaining 90% converter efficiency at low line.

Features
  • Universal 85VAC-264VAC input
  • 28V 350W output
  • Up to 93% converter efficiency
  • TM PFC output power goes up to 385W
  • AC-DC PSR buck for bias supply

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Schematic/Block Diagram

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Design Files

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Parametrics
 PMP9531.1
(Output Voltage 1)
Vin (Min) (V)85
Vin (Max) (V)265
Vout (Nom) (V)28
Iout (Max) (A)12.5
Output Power (W)350
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

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Application notes (1)
Title Type Size (KB) Date
PDF 301 24 Oct 2014
User guides (1)
Title Type Size (KB) Date
PDF 1943 18 Sep 2014
Design files (5)
Title Type Size (KB) Date
PDF 303 12 Jul 2019
ZIP 277 18 Sep 2014
PDF 567 18 Sep 2014
PDF 162 18 Sep 2014
PDF 175 18 Sep 2014

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