NCL30186SMRTGEVB: 8W Smart LED Driver

The NCL30186SMRTGEVB Evaluation Board is an AC-DC power factor corrected flyback controller targeting isolated and non−isolated “Smart−dimmable” constant current LED drivers. The controller operates in a quasi−resonant mode to provide optimal efficiency. The current control algorithm supports flyback, buck−boost, and SEPIC topologies. Thanks to a novel control method, the device is able to tightly regulate a constant LED current from the primary side. This removes the need for secondary side feedback circuitry, biasing and an optocoupler. The device is highly integrated with a minimum number of external components. A robust suite of safety protection is built in to simplify the design. This device is specifically intended for very compact space efficient designs and supports analog and PWM dimming with a dedicated dimming input intended to control the average LED current. To ensure reliable operation at elevated temperatures, a user configurable current foldback circuit is also provided.
Features and Applications

Features

  • Power factor correction with low harmonic distortion
  • Constant Current Control with Primary Side Feedback
  • Precise Current Regulation Accuracy
  • Line feedforward for enhanced regulation accuracy
  • Wide Vcc operating range

Benefits

  • Enables smart lighting applications
  • No Optocoupler or secondary control circuitry required
  • Supports outdoor and high temperature environments
  • Supports wide range of LED forward voltages
  • Improve regulation acrross line variation
Evaluation/Development Tool Information
Product Status Compliance Short Description Parts Used Action
NCL30186SMRTGEVB Active
Pb-free
8W Smart LED Driver BAS116LT1G BAS16XV2T1G
BAS21DW5T1G BSS138
LM317LZG MM5Z15VT1G
MMBT3904WT1G MMBT5551LT1G
NCL30186BDR2G
Technical Documents
Type Document Title Document ID/Size Rev
Eval Board: Gerber NCL30186SMRTGEVB Gerber Layout Files (Zip Format) NCL30186SMRTGEVB_GERBER - 293 KB  0 
Eval Board: Manual NCL30186SMRTGEVB Manual NCL30186SMRTGEVB_Manual - 2821 KB  0 
Eval Board: Schematic NCL30186SMRTGEVB Schematic NCL30186SMRTGEVB_SCHEMATIC - 91 KB  0 
Eval Board: Test Procedure NCL30186SMRTGEVB Test Procedure NCL30186SMRTGEVB_TEST_PROCEDURE - 419 KB  0 
Video 8W Smart LED Driver - NCL30186SMRTGEVB WVD17643/D   
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8W Smart LED Driver - NCL30186SMRTGEVB
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