DIODE DRIVER CIRCUIT BOARDS

Driver circuits for laser diodes are either automatic power control (APC) circuits that maintain a constant light output power or automatic current control (ACC) circuits that maintain a constant current.

The output power and wavelength of the laser diode can be affected by the changing of temperature. APC circuits provide a constant light output power despite variations in ambient temperature. If you have a DC power supply which provides you an accurate and stable DC voltage. You may use this APC circuit board without voltage regulator.

APC with voltage regulator circuit enhances the function of APC circuit. It provides constant output power when the input voltage is between 2.8V DC and 6V DC.

Even with constant current drive, the output power of laser diodes varies with ambient temperature. However, a slight change of output power during operation is acceptable for many applications such as laser pointer and laser sight. In addition, battery is the most popular power source for laser diode module. In this case, the output power of laser will go down caused by the battery voltage decreased. The ACC circuit will provide the laser diode with constant current and stable output power.

  Lasermate Group, Inc. offers four models of Diode Driver Circuit Boards:

  • APCR-FX (where X=1, 2, 3, 4 or 5) Circuit Board 

  • APCR-WX (where X=1, 2, 3, 4 or 5) Circuit Board 

  • APCT-42X (where X=1, 2, 3, 4 or 5) TTL Modulation

  • ACC-38T  Circuit Board


  Item No.: APCR-FX (X=1, 2, 3, 4, or 5)

  • APC with voltage regulator
  • Maximum power 500mW
  • Soft-start protection
  • Output power adjustable
  • Input voltage 4.5 - 6 V DC for Input current <140mA
  • Input voltage 4.5 - 9 V DC for Input current <70mA
  • Output power constant
  • Size: 18x10x6 mm

X= 1: For laser diode with monitor current in the range of 10-100mA
X= 2: For laser diode with monitor current in the range of 100-200mA
X= 3: For laser diode with monitor current in the range of 200-300mA
X= 4: For laser diode with monitor current in the  range of 300-400mA 
X= 5:
For laser diode with monitor current in the  range of 400-500mA 

 

  Item No.: APCR-WX (X=1, 2, 3, 4 or 5)

  • APC with voltage regulator
  • Maximum power 150mW
  • Output power adjustable
  • Input voltage 2.8 - 6 V DC for Input current <50mA
  • Output power constant
  • Size: 11.5x7.5x5.5 mm
X= 1: For laser diode with monitor current in the range of 10-100mA
X= 2: For laser diode with monitor current in the range of 100-200mA
X= 3: For laser diode with monitor current in the range of 200-300mA
X= 4: For laser diode with monitor current in the  range of 300-400mA 
X= 5:
For laser diode with monitor current in the  range of 400-500mA 

 

  Item No.: APCT-42X (X=1, 2, 3, 4 or 5)

  • APC with modulator for TTL modulation
  • Maximum power 150mW
  • Frequency up to 100KHz
  • Output power adjustable
  • Input voltage 3.3 V DC for Input current <100mA
  • Input voltage 5 V DC for Input current <50mA
  • Output power constant
  • Size: 11x10 mm

X= 1: For laser diode with monitor current in the range of 10-100mA
X= 2: For laser diode with monitor current in the range of 100-200mA
X= 3: For laser diode with monitor current in the range of 200-300mA
X= 4: For laser diode with monitor current in the  range of 300-400mA 
X= 5:
For laser diode with monitor current in the  range of 400-500mA 

 

  Item No.: ACC-38T 

  • ACC with modulator for TTL modulation
  • Output power adjustable
  • Input voltage 5 V DC for Input current <750mA
  • constant current
  • Size: 35x14 mm

 

 

 
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Information contained herein is considered typical data. Lasermate Group, Inc. reserves the right to change or modify specifications of products at any time without notice.

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