200W 92% Efficient Low THD 10% Dimmable AC/DC LED Driver Reference Design With Adjustable Output

(ACTIVE) TIDA-01464

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Key Document

Description

This reference design is a 200-W, dimmable, low THD AC/DC LED power supply with a tunable output voltage from 100 to 200 V. It is designed for use in outdoor lighting applications such as street lighting, road lighting, and so on. This design uses a CCM PFC as front end to achieve low  THD and high power factor and proposes two-switch flyback architecture as second stage which helps to meet the cost, efficiency , and design simplicity aspects of LED power supply with adjustable output voltage.

Features
  • Supports universal input AC range of 85- to 305-V and very low standby power of <350 mW at 230V
  • High efficiency close to 90% at 120-V AC and close to 92% at 230-V, 265-V AC for 196-W load with no external cooling required
  • Power factor > 0.98 and THD < 5% at 120-V, 230-V and 265-V AC for 196-W load
  • <10% dimming capability over 0- to 10-V analog dimming range
  • Adjustable DC output operation from 100 to 200 V enabling to support different LED loads without much effect on performance
  • Meets current THD regulations as per IEC 61000- 3-2, class C for ≥ 22% of 196 V and ≥ 36% of 102-V LED load

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Schematic/Block Diagram

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Design Guide

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Design Files

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Bill of Materials (BOM)

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Parametrics
 TIDA-01464.1
(Output Voltage 1)
Vin (Min) (V)85
Vin (Max) (V)305
Vout (Nom) (V)200
Iout (Max) (A)1
Output Power (W)200
Isolated/Non-IsolatedIsolated
Input TypeAC
TopologyBoost- PFC
Flyback- DCM

TI Devices (7)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
INA180  26V, low-/high-side voltage output current sense amplifier  Current sense amplifiers  Sample & Buy View Design Kits & Evaluation Modules
LM358-N  Low Power Dual Operational Amplifier  Operational amplifiers (op amps)  Sample & Buy View Design Kits & Evaluation Modules
LM4040  Precision Micropower Shunt Voltage Reference  Voltage references  Sample & Buy View Design Kits & Evaluation Modules
LM8364  Active Low Voltage Monitor with Low Quiescent Current and 2.5% Threshold Accuracy   Power management  Sample & Buy Not Available
UCC28180  8-Pin Continuous Conduction Mode (CCM) PFC Controller  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules
UCC28740  Constant-Voltage, Constant-Current Flyback Controller Using Opto-Coupler Feedback  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules
UCC28910  700V Flyback Switcher with Constant-Voltage Constant-Current and Primary-side Control  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)
INA180 Download
LM358-N Download Download
Download
Download Download
LM4040 Download
Download
Download
LM8364 Download Download
UCC28180 Download
UCC28740 Download
UCC28910 Download Download

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Technical Documents

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

User guides (1)
Title Abstract Type Size (KB) Date Views TI Recommends
PDF 2891 22 Nov 2017 0
Design files (6)
Title Abstract Type Size (KB) Date Views
ZIP 2694 22 Nov 2017 0
ZIP 1497 22 Nov 2017 0
PDF 1364 22 Nov 2017 0
PDF 296 22 Nov 2017 0
PDF 67 22 Nov 2017 0
PDF 460 22 Nov 2017 0

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