PMP4448 Reference Design

Texas Instruments

Universal AC Input: Low Cost 7W Non-isolated LED Driver Solution with High PF Reference Design

Description

The PMP4448 is universal AC in: low cost non-isolated LED driver solution. It implements a valley switching mode controller TPS92314.  The driver has  high power factor: and provides a constant current 230mA: maximum at up to 29VDC to drive a string of LEDs.  The PMP4448 is fully tested and passes EMC (CE) requirements.

Features
  • Non isolated solution Low total BOM cost eliminating transformer Good line and load regulation Output Over Voltage/Open LED protection Efficiency >85% High PF >0.9 over VIN range
Applications
Product Categories
  • Power management

Parts

Part Number Name Companion Part
TPS92314A TPS92314A Buy Datasheet

Bill Of Materials

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Schematic

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Design File

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Test Data

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Other Documents

Title Updated Type Size (KB)
PMP4448 Gerber 09 Feb 2015 ZIP 170
PMP4448 BOM 09 Feb 2015 PDF 200
PMP4448 Schematic 09 Feb 2015 PDF 27