8-W isolated flyback LED driver with PFC for A19 reference design
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Key Document


The main purpose of this reference design is to demonstrate a high performance and compact size offline flyback LED driver with PFC based on TPS92314. This LED driver is designed for converting an AC input to a regulated LED current. The operating conditions and performance of the reference design are as follows: ●198VAC to 264VAC, 50Hz Input Voltage ●18V to 22V LED Voltage ●350mA Regulated LED Current ●84% Typical System Efficiency ●0.9 Typical Power Factor ●Output Short-Circuit and Open-Circuit Protection

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Schematic/Block Diagram

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Design Guide

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Design Files

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(Output Voltage 1)
Vin (Min) (V)198
Vin (Max) (V)264
Vout (Nom) (V)20
Iout (Max) (A).35
Output Power (W)7
Input TypeAC
TopologyFlyback- Transition Mode

TI Devices (1)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
TPS92314  Off-line primary side sensing controller with PFC in 8-SOIC  LED drivers  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
TPS92314 Download

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Technical documentation

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User guide (1)
Title Type Size (KB) Date
PDF 231 27 Nov 2012
Design files (5)
Title Type Size (KB) Date
PDF 51 27 Nov 2012
PDF 43 27 Nov 2012
ZIP 1401 27 Nov 2012
PDF 47 27 Nov 2012
PDF 67 27 Nov 2012

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