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High Power Laser Diode Driver / 25A Current Range / 40V Compliance Voltage Range

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  • 25 Amp laser diode driver sf6100

$577.50  
sku / item#: SF6100
ships: In-Stock (USA)

Key Features
  • Industry Leading 4-LEVEL Laser Diode Protection:
    • Current limit; user can utilize redundant limit setting by using on-board trim pot and/or digital/analog controls
    • Power surge, over-voltage, and over-current transient protection through on-board crowbar circuit shunt
    • Soft-start current ramp
    • 10K thermistor input for current shut-down if laser exceeds a customer specified temperature
  • High Reliability for Use in Demanding Industrial Laser Systems
  • Driver Control Methods:
    • Analog Control Signals Input
    • On-Board Trim Pots
    • Digital Controls: RS-232 / UART / and USB (options) $35.00 / Includes GUI Software
  • Ultra Compact: 61mm x 58mm x 30mm
Product Warranty
All products purchased from Laser Lab Source
are sold with a full one-year warranty.
See terms & conditions for full details.
The Laser Lab Source group websites include:
  • LaserDiodeSource.com
  • LaserLabSource.com
  • LaserDiodeControl.com

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MODEL SF6100
PRICE $577.50
LASER DIODE CURRENT & VOLTAGE
  • Output Current Range (I): 0 ~ 25 Аmps
  • Output Voltage Range (V): 40 Volts
  • Current Set-Point Step Size: 0.01 Amps
  • Rise Time: (Iout = 12.5A) min.140μs; max.300μs
  • Rise Time: (Iout = 25A) min.130μs; max.250μs
  • Fall Time: min - 10μs; max.50μs
  • Current Stability: <0.2 %
  • Current Setpoint Absolute Accuracy: <1 %
LASER DIODE PROTECTION
  • Soft-Start Current Ramp
  • Current limit
  • Temperature limit
  • Reverse current protection
  • ESD and transient protection
  • Crowbar Circuit Protection
  • Disable Input
  • Interlock
DIMENSIONS AND WEIGHT
  • Dimensions: 61mm x 58mm x 30mm
  • Weight: 162 g
USER INTERFACE
  • Analog Control Signal Connector
  • RS-232 / UART Serial Digital Interface
  • USB Optional: $35.00 (Option UART-USB)
  • Enable / Disable Input Signal Input
  • User Adjustable Trim Potentiometer Current Limit
REQUIRED DRIVER POWER SUPPLY (INPUT)
  • Input Voltage Range (Vin): 12V to 55V
  • Recommended Switching Power Supply: Mean Well RSP-1000-48, available for purchase with this laser diode controller
SHIPPING KIT (INCLUDED PARTS)
  • Driver – 1 pcs
  • 50 cm ribbon cable with one 8-pin connector – 1 pcs
  • 50 cm ribbon cable with one 14-pin connector – 1 pcs
  • Wires fixing set – 1 pcs
  • Datasheet & User Manual – 1 pcs
  • Current Output Cable Not Included
WARRANTY PERIOD
  • 1-year manufacturer's warranty

Product Overview:

High Power Laser Driver | Current up to 25 Amps with Compliance Voltage up to 40 Volts

These high performance laser diode drivers are designed for biasing the latest generation of pump lasers in the 808nm to 1064nm near IR range. These drivers offer a very small form factor and high reliability. They are used to power high compliance voltage devices which require up 40 Volts from companies such as nLight, Lumentum, AeroDIODE, BWT, II-VI and IPG Photonics. The Model SF6100 drivers are designed for demanding system integration applications which require the highest levels of reliability. They also offer an affordable choice for laboratory research applications. In addition to current and voltage limits, the SF6100 is equipped with an integrated NTC thermistor monitor circuit to provide fast shut-down of the output current to the laser if a maximum temperature limit is reached.

Flexible Control Interfaces and Control Software with GUI Included

The model SF6100 offers the user multiple interface methods to set and measure the modules parameters. For simple, fast start-up, the module has trim potentiometers which the user can access on top of the control board. This manual mode of control is typically used to make sure the driver is functioning properly prior to connecting the laser. For complete control of all parameters, the user has the choice of using an analog control signal connector or a digital interface. The 8 pin RS23 / UART digital interface and the 14 pin analog control connector are both described in detail in the attached brochure.

Powering up the SF6100

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.

Crowbar Clamp Protection

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.

Integrated Laser Diode Driver Protection Features

These drivers provide many protection features for high compliance voltage devices and laser diodes connected in series. They offer a user-set current limit, an over-temperature protection circuit, protection against forward and reverse current transients and crowbar circuit protection. The crowbar circuit shorts the output during an over-current shutdown or over-temperature shutdown sequence. A reverse diode protects the laser diode from reverse current surges. These integrated protection features allow the SF6100 to safely drive non-linear loads such as laser diodes and LEDs. These current sources offer an analog voltage control input as well as RS232 digital interface.

Recommended Power Supply

The OEM laser module requires an external power supply, such as the Mean Well RSP-1000-48.

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