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Laser Diode Driver and TEC / Temperature Controller Circuit

  • Laser Driver Circuit Schematic
  • Laser Driver Circuit 3
  • Laser Driver Circuit 2
  • Laser Driver Circuit 4

$145.00  
sku / item#: LDI-TEC-4500
ships: 5 days

Key Features
  • Up to 2500mA Laser Diode Bias Current Output Range
  • TEC / Temperature Controller Output Power up to 2 Amps, 12 Volts
  • Temperature Control Loop Pre-Set for 10K Thermistor Feedback Measurement
  • Supports Modulation up to 500 kHz Analog Modulation
  • Ultra-Compact / Small Footprint
  • Offered by LaserTack GmbH, 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 LDI-TEC-4500
PRICE $145.00
SPECIFICATIONS
  • Current Range: 500 mA ~ 2,500 mA Laser Bias Current
  • TEC Output Power: Up to 2 Amps, 12 Volts
  • Required Input Supply Voltage (VDC): 5~ 12
  • Analog Modulation Input Range (kHz Analog / kHz TTL): 500
  • Analog Modulation Voltage (VDC): 0~ 5
  • Typical Rise-Fall Time (µs): 1.4
  • Noise: < 1.6 mV
  • LD Controller Type: High Side
  • TEC Controller Type: Unidirectional
  • Temperature Controller Accuracy: 0.1°C
  • Temperature Sensor: 10k NTC
  • Size (mm): 30mm x50mm
  • Compliance: RoHS

Product Overview:

These affordable miniature laser diode controller circuits are manufactured by Lasertack, Germany, and offer a precision current source up to 2500mA and up to 2 Amps of power to a TEC cooler. They are supplied by a voltage 5 to 12 VDC power supply input and offer the user a wide modulation bandwidth of 500 kHz Analog from a voltage source of DC to 5V. They offer a fast rise and fall time specification, and a low noise specification of <1.6 millivolts. The TEC controller loop is unidirectional (cool only). and they offer a very high temperature control accuracy of 0.1°C. These controller modules were designed for high power laser diodes.

KEY FEATURES:

LED indicators: The LED indicators show the real-time state of all functions and the driver state. Normal condition operation or failure state mode is immediately shown by LED indicators.

Temperature monitoring: With a 10Kohm thermistor temperature sensor connected, temperature monitoring is active. The measured values are used for over-temperature shutdown and for the TEC controller.

Safety shutdown: The driver shuts down the output to the laser diode when over-temperature is detected or the interlock loop is broken. The LED indicators show which failure mode occurred.

Active and passive interlocks: Active and passive interlock loops can be utilized. A simple door switch or a 5V interlock loop can be connected.

Turn-on delay: After connecting the power supply, the driver allows the PSU to stabilize before enabling the laser output.

Programmable failure treatment: In the case of a failure because of over-temperature or a broken interlock, the driver can handle the situation in two ways. It can restart the laser when the failure caused problem is solved automatically or it will wait for a restart signal. The programming is done by the shorting of of the two connector pins pairs.

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