$544.50 sku / item#: SF6030 v2.2 ships: Request a Quote for Current Ship Date
- 0 ~ 30 Amp Current Range, Compliance Voltage up to 10 Volts
- Ultra-Small Form Factor: 37mm x 58mm x 21mm
- High Reliability Components for use in Demanding Industrial Laser System Applications
- Analog Control and RS232 Digital Interface (USB optional, $35)
- Soft-Start Current Ramp to Setpoint, User Set Current Limit, Multiple Layers of Laser Diode Protection
- Very High efficiency up to 97%
- NTC Thermistor Input for Laser Diode Overheat Protection
- Free Control Software with GUI ---------------------------5% Discount for Orders > 5 Units
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30 Amp, 10 Volt High Power Laser Diode Driver Overview
These 30 Amp, 10 Volt high performance OEM laser diode drivers are used CW drivers which offer a very small form factor combined with high reliability for use in materials processing, medical equipment, and laser measurement equipment applications. They offer user-set current limit in additional to multiple levels of protection for your laser diode. Other key protection features include a user adjustable driver current limit, over-current protection, over-temperature protection, and protection against reverse current transients. These current sources offer an analog voltage control input as well as RS232 digital interface, and an optional USB interface (inquire for details).
Review of SF6xxx Series High Power Laser Diode Protection Features
In addition to high reliability and small form factor components, the SF6xxx 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
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 analog modulation 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.
These high power drivers offer a highly reliable crowbar clamp to short the current and disable power to your laser diode. There is a pin on the control connector which shows the crowbar protection circuit status. 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 SF6xxx 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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