Home > Laser Diode Drivers > OptLasers > RLS/LPLDD-5A-12V (min order qty 2 units)
5 Amp Laser Driver Circuit; Compliance Voltage Range up to 12 Volts; Designed for Blue and Green Laser Diodes
$195.00 sku / item#: RLS/LPLDD-5A-12V (min order qty 2 units) ships: Request a Quote for Current Ship Date
Key Features
- Affordable Laser Diode Driver Circuit with Integrated Laser Protection Features
- Laser Output Current Range up to 5 Amps
- Integrated Soft-Start Ramp to Current Set-Point and Current Limit
- Simple Set-Up / Current Adjustment with Trim Potentiometer
- Minimum Order Quantity: 2 Units
- Offered by OptLasers, a Laser Lab Source Marketplace Seller
Sold & Supported in North America by: LaserDiodeControl.com, part of the Laser Lab Source Marketplace Group
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| MODEL | RLS/LPLDD-5A-12V (min order qty 2 units) |
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| PRICE | $195.00 |
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Product Overview:
Affordable Laser Driver Circuit Designed for Blue and Green Laser Diodes
These small circuit boards are affordable drivers for laser diodes requiring up to five amps of bias current and requiring 5V to 9V of forward voltage. They are for powering lasers with the option to adjust the maximum current level up to 5,000 mA. They also allow the user to modulate the laser with a bandwidth up to 100 kHz. The acceptable input modulation signal for these circuits is analog (not square wave or TTL). These small circuit boards typically ship from stock and are an excellent choice for product development applications involving pump lasers and other devices requiring a few amps of forward current. They offer protection features such as a slow start current ramp to the set point. Users should take caution to connect the polarity correctly. These low cost drivers are the bias current source for the laser and they do not have any temperature control functions.
Review of Key Laser Driver Features:
These small PCB's have an LED diode which indicates that the laser is connected and operating. They include a soft start current ramp to protect against possible over driving the laser. Another useful added feature are the labels on the board which clearly indicate the location of the primary functions. The labels make these circuits more intuitive and easier to set up. They offer the user a very small size at 15 mm x 30 mm. Even with their small size, they are able to safely drive up to 5 amps of high power current to the laser. The 5 amps is enabled in part by the addition of a large surface area of copper which cools the sense resistor.
Input Voltage Requirements:
The supply voltage provided to this laser driver circuit should be always greater than or equal to 3.3 V. The minimum supply voltage for other situations is given by the formula:
Vin = 0.2 * I + Vd
Vin is the input voltage
Vd is the diode working voltage
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