NCL30082: Dimmable Quasi-Resonant Primary Side Current Mode Controller for LED Lighting with thermal foldback

The NCL30082 is a PWM current mode controller targeting isolated flyback and non-isolated buck-boost constant current topologies. The controller operates in a quasi-resonant mode to provide high efficiency. Thanks to a novel control method, the device is able to precisely 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. The device supports analog/digital dimming and thermal foldback. While the NCL30082 has integrated fixed overvoltage protection, the designer has the option to program a lower OVP level.

Features
  • Primary Side Sensing
  • Wide VCC Range
  • Precise LED Current Regulation of ± 1% typical
  • 0.9 PF with passive valley fill
  • User Programmable Thermal Foldback
  • Analog and Digital Dimming Input
  • Secondary Diode Short Protection
  • VCC Undervoltage and overvoltage protection
  • Shorted Current Sense Fault Detection
  • Latched and Auto-recoverable versions
  • Wide Temperature range of -40 to 125 °C
  • Input Line Voltage Sensing
  • Open and Shorted Output LED Protection
Benefits
  • No Optocoupler or secondary control circuitry required
  • Simplifies support for range of LED forward voltages
  • No need for binned LEDs for forward voltage or production line trimming for accuracy
  • Meets US Energystar® LED Bulb and Residential Luminaire Requirements
  • Protects LED Driver from overheating in severe environments
  • Supports intelligent drivers and energy saving modes
  • Avoids overheating in fault condition
  • Robust fault handling
  • Protects from Manufacturing or Field Faults
  • Flexiblity for fault handling
  • Supports outdoor and high temperature environments
  • Enhance regulation accuracy
  • Robust fault handling of common LED system faults
Applications
  • Integral LED Drive Electronics
End Products
  • LED Bulbs
  • LED Power Supply Drivers
  • LED Light Engines
  • Electronic Control Gear for LEDs
Design & Development Tools (2)
Document TitleDocument ID/SizeRevisionRevision Date
NCL3008x Design WorksheetNCL3008X DWS.XLS (57.0kB)0
NCL3008x Design Worksheet - MathCadNCL3008X DWS.MCD (231.0kB)0
Package Drawings (2)
Document TitleDocument ID/SizeRevision
Micro 8 lead Surface Mount846A-02 (57.7kB)J
SOIC-8 Narrow Body751-07 (62.6kB)AK
Application Notes (2)
Document TitleDocument ID/SizeRevisionRevision Date
Designing a LED Driver with the NCL30080/81/82/83AND9131/D (534kB)1Dec, 2014
Performances of a LED Driver Driven by the NCL30080/81/82/83AND9132/D (322.0kB)0
Data Sheets (1)
Document TitleDocument ID/SizeRevisionRevision Date
Dimmable Quasi-Resonant Primary Side Current-Mode Controller for LED LightingNCL30082/D (355kB)5
Evaluation Board Documents (10)
Document TitleDocument ID/SizeRevisionRevision Date
NCL30082 8 W Smart LED Driver Evaluation Board User's ManualEVBUM2307/D (1947kB)0Aug, 2015
NCL30082FLYGEVB Bill of Materials ROHS CompliantNCL30082FLYGEVB_BOM_ROHS.PDF (437kB)11
NCL30082FLYGEVB Gerber Layout FilesNCL30082FLYGEVB_GERBER.ZIP (117.0kB)4
NCL30082FLYGEVB SchematicNCL30082FLYGEVB_SCHEMATIC.PDF (273.0kB)0
NCL30082FLYGEVB Test ProcedureNCL30082FLYGEVB_TEST_PROCEDURE.PDF (79.0kB)0
NCL30082SMRTGEVB Bill Of Materials (ROHS Compliant)NCL30082SMRTGEVB_BOM_ROHS.pdf (91kB)0
NCL30082SMRTGEVB Gerber Layout Files (Zip Format)NCL30082SMRTGEVB_GERBER.zip (308kB)0
NCL30082SMRTGEVB SchematicNCL30082SMRTGEVB_SCHEMATIC.pdf (395kB)0
NCL30082SMRTGEVB Test ProcedureNCL30082SMRTGEVB_TEST_PROCEDURE.pdf (154kB)0
NCL30083xxxGEVB Evaluation Boards User's ManualEVBUM2179/D (1951.0kB)1
Evaluation/Development Tool Information
ProductStatusComplianceShort Description
NCL30082FLYGEVBActivePb-freeFlyback 10 W / 500 mA Current Mode Controller Evaluation Board
NCL30082SMRTGEVBActivePb-free8 W SEPIC LED Driver Evaluation Board
Order Information
ProductStatusCompliancePackageMSL*ContainerBudgetary Price/Unit
NCL30082ADMR2GActivePb-free Halide freeMicro8™846A-021Tape and Reel4000$0.31
NCL30082B1DMR2GActivePb-free Halide freeMicro8™846A-021Tape and Reel4000$0.31
NCL30082B1DR2GActivePb-free Halide freeSOIC-8751-073Tape and Reel2500$0.28
NCL30082B2DR2GActivePb-free Halide freeSOIC-8751-073Tape and Reel2500$0.44
NCL30082B3DR2GActivePb-free Halide freeSOIC-8751-073Tape and Reel2500$0.44
NCL30082BDMR2GActivePb-free Halide freeMicro8™846A-021Tape and Reel4000$0.31
NCL30082BDR2GActivePb-free Halide freeSOIC-8751-073Tape and Reel2500$0.28
NCL30082DDR2GActivePb-free Halide freeSOIC-8751-073Tape and Reel2500$0.4133
Specifications
ProductTopologyVI Min (V)VI Max (V)VO Max (V)IO Max (mA)fSW Typ (kHz)
NCL30082ADMR2GFlyback9.4262003000Up to 150
NCL30082B1DMR2GFlyback9.4262003000Up to 150
NCL30082B1DR2GFlyback9.4262003000Up to 150
NCL30082B2DR2GFlyback9.4262003000Up to 150
NCL30082B3DR2GFlyback9.4262003000Up to 150
NCL30082BDMR2GFlyback9.4262003000Up to 150
NCL30082BDR2GFlyback9.4262003000Up to 150
NCL30082DDR2GFlyback9.4262003000Up to 150
Dimmable Quasi-Resonant Primary Side Current-Mode Controller for LED Lighting (355kB) NCL30082
NCL3008x Design Worksheet NCL30083
NCL3008x Design Worksheet - MathCad NCL30081
Designing a LED Driver with the NCL30080/81/82/83 NCL30083
Performances of a LED Driver Driven by the NCL30080/81/82/83 NCL30083
NCL30082SMRTGEVB
NCL30082FLYGEVB BOM ROHS NCL30082FLYGEVB
NCL30082FLYGEVB GERBER NCL30082FLYGEVB
NCL30082FLYGEVB SCHEMATIC NCL30082FLYGEVB
NCL30082FLYGEVB TEST PROCEDURE NCL30082FLYGEVB
NCL30082SMRTGEVB BOM ROHS NCL30082SMRTGEVB
NCL30082SMRTGEVB GERBER NCL30082SMRTGEVB
NCL30082SMRTGEVB SCHEMATIC NCL30082SMRTGEVB
NCL30082SMRTGEVB TEST PROCEDURE NCL30082SMRTGEVB
EVBUM2179/D - 1951 NCL30083FLYGEVB
Micro 8 lead Surface Mount CM1216
SOIC-8 Narrow Body CM1216
NCL30082
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