Laser Drivers

The function of a laser driver is to deliver the exact amount of current set, and at whatever voltage is needed, to the laser diode in a circuit. As a result, they protect the laser diode from damage.

Laser driver applications
Laser drivers are used in a variety of applications, such as:

  • Diagnostic and analytical equipment
  • In the medical field
  • In welding.


Why does a diode need a laser current driver?
An often overlooked factor in using laser diodes in circuits is the influence of temperature on the output power and operating current.
While the threshold current rises as the temperature increases, the optical output power and differential efficiency decrease. The driver circuit therefore needs a safety feature that ensures that a significant temperature increase will not destroy the laser – a laser driver fulfils this need.

Laser drivers provide closed-loop control of the average optical power of a continuous wave (CW) laser diode. The control loop adjusts the laser to maintain a constant current and power. This ensures a regular temperature and so protects the laser from heat damage.
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Part Details Brand Stock Laser Type Driven Maximum Laser Diode Current Maximum Output Current Dimensions Package Type Number of Pins Length Maximum Supply Voltage Minimum Supply Voltage Width Supply Voltage Range
MAXIM,MAX3736ETE+ Maxim 0 - - - - - - - - - - -
Maxim DS1862B+ +2.9 → +5.5 V Laser Diode Driver Maxim 0 Closed Loop - - 5 x 5mm - - 5mm +5.5V +2.9V 5mm +2.9 → +5.5 V
Maxim DS1862B+ +2.9 → +5.5 V Laser Diode Driver Maxim 0 Closed Loop - - 5 x 5mm - - 5mm +5.5V +2.9V 5mm +2.9 → +5.5 V
Maxim MAX3736ETE+ -0.5 → 6 V Laser Diode Driver Maxim 0 SFP - 150mA 3.1 x 3.1mm - - 3.1mm 6V -0.5V 3.1mm -0.5 → 6 V
Texas Instruments LMH6526SP/NOPB Laser Diode Driver 28 Texas Instruments 281 - - - 5 x 5mm - 28 5mm - - 5mm -
Analog Devices ADN2848ACPZ-32 N Type 3 → 3.6 V, 100mA Laser Diode Driver Analog Devices 40 Closed Loop 100mA 80mA 5.1 x 5.1 x 0.75mm - - 5.1mm 3.6V 3V 5.1mm 3 → 3.6 V
Maxim MAX3766EEP+ 4.5 → 5.5 V, 2mA Laser Diode Driver Maxim 25 - 2mA 60mA 8.74 x 3.99mm - - 8.74mm 5.5V 4.5V 3.99mm 4.5 → 5.5 V
Global Laser N Type 2.4 → 6 V dc, 60mA Laser Diode Driver Global Laser 14 CW 60mA 2.5mA 6.5 x 20mm - - 6.5mm 6V dc 2.4V dc 20mm 2.4 → 6 V dc
Analog Devices ADN2830ACPZ32 Laser Diode Driver 32 Analog Devices 6 - - - 5 x 5mm - 32 5mm - - 5mm -
Global Laser Eval Laser Driver Kit N Type 3.5 → 5.5 V dc, 100mA Laser Diode Driver Global Laser 3 CW 100mA - - - - - 5.5V dc 3.5V dc - 3.5 → 5.5 V dc
Analog Devices ADN2830ACPZ32 Laser Diode Driver 32 LFCSP EP
  • £ 12.71
  • Each (Supplied in a Tray)
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Analog Devices 0 - - - 5 x 5mm LFCSP EP 32 5mm - - 5mm -
Analog Devices ADN2841ACPZ-48 N Type 4.5 → 5.5 V, 100mA Laser Diode Driver Analog Devices 0 Closed Loop 100mA 80mA 7.1 x 7.1 x 0.95mm - - 7.1mm 5.5V 4.5V 7.1mm 4.5 → 5.5 V
Analog Devices ADN2848ACPZ-32 N Type 3 → 3.6 V, 100mA Laser Diode Driver
  • £ 5.762
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Analog Devices 0 Closed Loop 100mA 80mA 5.1 x 5.1 x 0.75mm - - 5.1mm 3.6V 3V 5.1mm 3 → 3.6 V
Maxim MAX3766EEP+ 4.5 → 5.5 V, 2mA Laser Diode Driver Maxim 0 - 2mA 60mA 8.74 x 3.99mm - - 8.74mm 5.5V 4.5V 3.99mm 4.5 → 5.5 V
Texas Instruments LMH6526SP/NOPB Laser Diode Driver 28 LLP EP
  • £ 1.836
  • Each (On a Reel of 1000)
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Texas Instruments 0 - - - 5 x 5mm LLP EP 28 5mm - - 5mm -
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