Multiple Layers of Laser Diode Protection: Soft-Start Current Ramp / Current Limit / Reverse Voltage Protection / ESD Clamp / Laser Over-Temperature Sensor
Designed for High Power Laser Diode Bars and Arrays
Analog Control Signal / RS-232 / USB Optional
NTC Thermistor Input for Laser Over-Temperature Fast Shut-Down
Very High Efficiency up to 98%
Free Control Software Included; LabView driver
RoHS3 compliant
ULTRA-COMPACT: 60mm x 58mm x 30mm
Free Control Software with GUI ---------------------------5% Discount for Orders > 5 Units
Shipping Information
Shipping rates in the USA:
– All products: $25.00
– Please contact us for International Shipping Rates
Warranty Information
This product is sold with a full one year warranty. It is warrantied to be free from defects in material and/or workmanship for a period of one year from the date of shipment.
The SF6090 is a precision high power, small form factor CW laser diode driver. In addition to multiple laser diode protection circuits, these modules deliver high stability current up to 100 Amps with low noise and ripple. They driver board is mounted to an aluminum base plate to assist with efficient heat dissipation. This driver module was designed to be easily mounted onto a thermally conductive surface with enough heat sink capability to dissipate the required waste heat. These 100 Amp, 10 Volt high performance drivers are designed for integration into high power laser systems used for materials processing and medical equipment applications. They are also used in laboratory R&D to bias laser diode bars and arrays.
SF6090 Laser Diode Protection Features
The SF6090 laser diode drivers provide protection features which include an over-current protection circuit with a user adjustable limit, a soft-start current ramp, and an over-temperature shutdown. Additional features to protect your high power laser diode include reverse current protection and crowbar circuit protection. The crowbar circuit is a fast shorting clamp which is activated in over-current, open circuit and over-temperature events.
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
The SF6090 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 laser diode driver 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%.
Recommended Power Supply
The OEM laser module requires an external power supply, such as the Mean Well RSP-1000-12. This power supply is available as an add-on to the order, and can be found in the Cart.
