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TPS92210EVM-647: 350mA @ 32V Max, 120V in, TRIAC

Summary

The TPS92210EVM-647 evaluation module is a constant current TRIAC dimmable LED driver. It can drive 6 to 10 LEDs at 350 mA and is rated for an AC input of 85 to 144 VRMS.

The TPS92219EVM-647 uses the TPS92210 in a Discontinuous Conduction Mode (DCM) flyback topology. The controller uses cascode configuration which allows for faster start-up times as well as eliminates the need for an external sense resistor for primary-side current sense.

Additionally, the controller employs a maximum on-time modulation scheme that allows it to be used in a Power Factor Correction (PFC) circuit. This results in a compact LED driver design that achieves greater than 0.99 Power Factor (PF) driven by a single controller.

Specifications

Manufacturer Texas Instruments
Category Lighting
Sub-Category LED Drivers - AC / Offline
Eval Board Part Number 296-28146-ND
Eval Board Supplier Texas Instruments
Eval Board Normally In Stock
AC Voltage 115 V
Outputs and Type 1 Isolated
Current Out 350 mA
Voltage Out (Max) 32 V
Efficiency @ Conditions >83%, 120V in, 9 LEDs @ 350 mA
Features Dimming Control
Open Circuit Protection
Over Current Protection
Over Voltage Protection
PFC
Thermal Protection
Switching Frequency 115 kHz
Component Count + Extras 91 + 16
Design Author Texas Instruments
Application / Target Market LED Home Lighting
Voltage In 85 ~ 144 VAC
Power Factor >0.99
Standard(s)
Main I.C. Base Part TPS92210
Date Created By Author
Date Added To Library 2011-07

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