TIDA-01464

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

TIDA-01464

Design files

Overview

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
Output voltage options TIDA-01464.1
Vin (Min) (V) 85
Vin (Max) (V) 305
Vout (Nom) (V) 200
Iout (Max) (A) 1
Output Power (W) 200
Isolated/Non-Isolated Isolated
Input Type AC
Topology Boost- PFC^Flyback- DCM

A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

Download ready-to-use system files to speed your design process.

TIDUD96.PDF (2891 K)

Reference design overview and verified performance test data

TIDRTP6.PDF (460 K)

Detailed schematic diagram for design layout and components

TIDRTP7.PDF (67 K)

Complete listing of design components, reference designators, and manufacturers/part numbers

TIDRTP8.PDF (296 K)

Detailed overview of design layout for component placement

TIDRTQ0.ZIP (1497 K)

Files used for 3D models or 2D drawings of IC components

TIDCE20.ZIP (2694 K)

Design file that contains information on physical board layer of design PCB

TIDRTP9.PDF (1364 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

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UCC28740Constant-Voltage, Constant-Current (CVCC) Flyback controller with Secondary Side Regulation (SSR)

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Flyback controllers

UCC28910700V Flyback switcher with constant-voltage constant-current and primary-side control

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General-purpose op amps

LM358-NDual, 32-V, 1-MHz op amp

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Power factor correction (PFC) controllers

UCC2818018-kHz-250-kHz CCM PFC controller with enhanced startup & transient response

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Shunt voltage references

LM4040Fixed voltage, 45-µA, precision micropower shunt voltage reference

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Supervisor & reset ICs

LM8364Active-low voltage monitor with low quiescent current & 2.5% threshold accuracy

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Technical documentation

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* Design guide 200-W, 92% Efficient, Low THD, 10% Dimmable AC/DC LED Driver Reference Design Nov. 22, 2017

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