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15 Amp Laser Diode Driver Module with Integrated Protection for Laser Diodes

$425.00   Ships: 5 days | Model SF6015

Key Features
  • High Reliability Components for use in Demanding Industrial Laser System Applications
  • Small Form Factor: 37mm x 58mm x 21mm
  • Analog Control and RS232 Digital Interface
  • Soft-Start Current Ramp to Setpoint
  • User Set Current Limit
  • Multiple Layers of Laser Diode Protection
  • Discounted Volume Pricing Available (request info)
  • Very High efficiency up to 97%
  • Possibility to calibrate current within 5%
  • NTC thermistor input (for shutdown driver when the laser diode was overheating)

Price and Delivery Quote

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PRICE $425.00
  • Output Current Range (I): 1-15 Аmps
  • Output Voltage Range (V): 0-10 Volts
  • Setpoint Resolution: 0.01 Amp
  • Rise Time: (Iout = 7,5A) min - 150μs; max - 500μs
  • Rise Time: (Iout = 15A) min - 140μs; max - 500μs
  • Fall Time: min - 250μs; max - 1200μs
  • Current Stability: <0.2 %
  • Current Setpoint Absolute Accuracy: <1 %
Laser Diode Protection
  • Soft-Start Ramp to Current Setpoint
  • User Adjustable Current Limit
  • Over-Current Protection Fast Shutdown
  • Over-Temperature Thermal Warning and Shutdown
  • Reverse Current Protection
  • Crowbar Circuit Protection
  • Disable Input
  • Interlock
  • Dimensions: 37 mm x 58 mm x 30 mm
  • Analog
  • RS232/UART Digital Interface
  • Input Voltage Range (Vin): 10V to 14V

Product Overview:

These high performance OEM laser diode drivers are used extensively in demanding industrial laser applications. The SF6 series of CW drivers are used for laser marking, welding, soldering, and cutting applications. They are also used in medical equipment and laser measurement equipment such as spectrometers, lidar and range finders.

In addition to high reliability and small form factor components, the SF6 series CW drivers offer multiple levels of protection for high power single and multi-emitter lasers. A soft-start ramp to the drive current setpoint reduces thermal shock to the laser. Other key protection features include a user adjustable driver current limit, over-current protection, overt-temperature protection and protection against reverse current transients.

Sourcing Current to your Laser and the Crowbar Clamp Protection:
These high power drivers offer a highly reliable crowbar clamp to short the current and disable power to your laser diode. The modules are initially enabled by applying an active high 3.3V~5V DC compatible logic input signal. The driver sources current and begins to operate when the 5V input enable pin is high. To ensure that the current enable is applied without overshoot, a slow start sequence initiates when the enable pin is set high. The enable pin can also be used in the quasi-CW mode. The output current is set by applying an analog signal to the current set pin on the control connector. The current set pin can be used for analogmodulation by applying sign wave, square wave or ramp signal. The output may be pulsed by applying a TTL square signal to enable pin. The minimum pulse duration 500 microseconds. Their is a pin on the control connector which shows the crowbar protection circuit status. The crowbar status pin reports the status of the shorting crowbar clamp across the output. The crowbar will short the output while the module is in an over-current shutdown or an over-temperature shutdown mode.

Driver Safety Interlock, Current Monitoring and Voltage Monitoring:
These SF6 units have an interlock pin which must be connected to the ground order for output current to be enabled. The safety interlock is used to shut-down the module with a logic high signal triggered by and external interlock trigger such as a door to the lab or an external over-temperature circuit. These modules also have an on-board temperature sensor which will shut-down the output when the temperature exceeds a pre-set temperature. The output voltage of the driver can be monitored by a linear scaled voltage monitor output, 0~1V. The voltage is measured between LD+ terminal and GND. The current can be monitored by a linear voltage output, 0~1V = 0~3A also with +/-2%.

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