LED Drivers for Lighting

Allegro MicroSystems, LLC offers a growing portfolio of LED drivers used for architectural lighting, signage, and automotive lighting applications. Allegro’s process technology and applications expertise has enabled the development of highly integrated LED driver ICs with on-chip FETs and diverse control options, providing flexibility and functionality in a small solution footprint. Allegro’s LED driver portfolio covers a wide variety of topologies, channel counts, output currents and feature sets to help customers optimize their solutions.

Features within the portfolio of devices include:

  • Buck, Boost, and Linear topologies
  • Series and Parallel configurations
  • Single and multiple (up to 16) channel outputs
  • Output currents from 20 mA up to 3 A per channel
  • Multiple intensity control methods
  • Current-control for color calibration
  • Open LED and shorted LED detection
  • Thermal shutdown and undervoltage lockout
  • Automotive voltage and temperature ratings available
  • Multiple package options
  • Low quiescent current
LED Drivers - General Lighting
Part Number Topology Number of Channels IOUT per Channel VLED Max (V) Latched
Output
Serial
Input
Packages
A6211 Buck 1 3 A 40 No No eSOIC-8
A6282 Linear 16 50 mA 13 Yes Yes QFN-24, SOIC-24, TSSOP-24
LED Drivers - Automotive Lighting
Part Number Topology Number of Channels IOUT Max VIN LEDs per Channel Total LEDs Packages
A6213 Buck  3 A  40  2 to 12  12  eSOIC-8
A6213-1 Buck 1 1.5 A 40 2 to 12 12 eSOIC-8
A6260 Linear 1 350 mA 6 to 40  2 to 3 3 eSOIC-8
A6261 Linear 4 400 mA 6 to 50  2 to 3 12 eMSOP-10, eTSSOP-16
A6262 Linear 4 400 mA 6 to 50  2 to 3 12 eMSOP-10, eTSSOP-16
A6263 Linear 4 400 mA 6 to 50 2 to 3 12 eSOIC-8
A6264 Linear 4 400 mA  6 to 50  2 to 3 12 eMSOP-10, eTSSOP-16
A6265 Buck-Boost / Boost 1 1 A+ 6.5 to 50 2 to 15 15 eTSSOP-16
A6266 Boost 1 1 A+ 5 to 50 5 to 15 15 eTSSOP-16
A6267 Buck-Boost / Boost 1 1 A+ 6.5 to 50 2 to 15 15 eTSSOP-16
A6268
Buck-Boost / Boost
1
1 A+
5 to 50 2 to 15 15 eTSSOP-16
A6269 Linear 2 400 mA 6 to 50 2 to 3 6 eSOIC-8

 

The following LED drivers have been discontinued: A6280

 

The following LED drivers are Pre-End-of-Life: A6210, A6281

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