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The AL5816Q is a 5-terminal adjustable constant current LED linear controllers offering excellent temperature stability and current capability. They can work with a wide input voltage range from 4.5V to 60V. With its low 200mV current sense FB voltage, it controls the regulation of LED current with minimum power dissipation compared with traditional linear LED drivers. This makes it ideal for medium to high current LEDs.

The device has an internal output drive up to 15mA, which enables it to drive external Bipolar transistors or MOSFETs. It also provides the capability to drive longer LED chains with low drop out voltage and multiple LED channels.

The AL5816Q has LED current adjusted and controlled by a sense resistor connected across FB pin and GND. The voltage across this resistor is controlled to a precise 0.2V thus controlling the current.

The AL5816Q can be dimmed by PWM signal through PWM pin, it can run at frequencies higher than 200Hz.

The AL5816Q is available in SOT25 package, and is Automotive-Compliant, qualified to AEC-Q100 Grade 1, supporting PPAP documentation.


  • Automotive Rear Lamps
  • Automotive Interior Lamps
  • Automotive Instrumentation Illumination
  • Automotive Position Lamps
  • Automotive License Plate Illumination


  • Qualified to AEC-Q100 Grade 1
  • Wide Input Voltage Range from 4.5V to 60V
  • Low Reference Voltage (VFB = 0.2V)
  • 5% Reference Voltage Tolerance
  • Up to 15mA Driver Capability for Bipolar Transistor
  • PWM Dimming Capable
  • Input Under Voltage Lock-out
  • Over Temperature Shutdown
  • Totally Lead-Free & Fully RoHS Compliant 
  • Halogen and Antimony Free. “Green” Device 
  • PPAP Capable

Product Specifications

Product Parameters

Qualified to AECQ10x Yes
Automotive Compliant PPAP Yes
Topology Linear Controller
Minimum Supply Voltage 4.5 V
Maximum Supply Voltage 60 V
Maximum VOUT 60 V
Number of Channels 1
LED Current Sense Voltage 200 mV
Output Current 10 mA
LED Current EXT BJT mA
Accuracy 4 %
Dimming Analog and PWM
Temperature Range -40 to 125 °C

Technical Documents

Recommended Soldering Techniques


Orderable Part Number Authorized Distributor Quantity Inventory Date Buy Online Region
AL5816QW5-7 Arrow Electronics 2400 7/14/2020 Buy Now United States
AL5816QW5-7 Arrow Electronics Central EU 3000 7/14/2020 Buy Now Germany
AL5816QW5-7 Mouser Electronics Inc. 2366 7/14/2020 Buy Now United States
AL5816QW5-7 Digi-Key Electronics 675 7/13/2020 Buy Now United States