Adjustable Laser Diode Driver Board for 780nm 808nm 850nm 905nm 980nm, <600mA, 3V Input

Adjustable Constant Current Laser Diode Driver Board

This compact driver board provides adjustable constant current for compatible 780nm, 808nm, 850nm, 905nm, and 980nm laser diodes. It supports a 3V DC input, with a supplier-specified input range of 2.7–5.0V DC, and an adjustable output current below 600mA.

The onboard potentiometer allows current adjustment to suit the connected diode. Its approximately 10 × 20mm size makes it suitable for integration into compact laser module assemblies.

Features

• Constant current control for compatible laser diodes.
• Adjustable output current below 600mA.
• Supports 3V input; specified input range of 2.7–5.0V DC.
• Onboard potentiometer for current adjustment.
• Compact PCB measuring approximately 10 × 20mm.
• Connection markings printed on the circuit board.

Specifications

Current Adjustment

Turn the potentiometer counterclockwise to decrease current or clockwise to increase current. Verify the output current with suitable test equipment before connecting your laser diode. The factory setting may not match your diode’s requirements.

Compatibility and Installation

• Confirm the laser diode’s rated current, forward voltage, and pin configuration before use. Wavelength alone does not confirm compatibility.
• Available output depends on the input voltage and connected diode. Not every input and output combination within the listed ranges is supported.
• Follow the PCB connection markings and the wiring diagram for the supplied board version.
• Disconnect power before soldering, connecting, or removing the laser diode.
• Do not exceed the diode’s rated operating current.

Package Includes

• 1 × Adjustable laser diode driver circuit board

Laser diode, housing, battery, and power supply are not included. Images showing both sides of the board are for reference; the package contains one board.