THORLABS LEDD1B Operation Manual
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THORLABS LEDD1B Operation Manual

T-cube led driver
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T-Cube LED Driver
LEDD1B
Operation Manual
2023

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Summary of Contents for THORLABS LEDD1B

  • Page 1 T-Cube LED Driver LEDD1B Operation Manual 2023...
  • Page 2 Version: Date: 23-Mar-2023 Copyright © 2023 Thorlabs...

  • Page 3: Table Of Contents

    5.3.1 LED Driver 5.3.2 Pulse Width Modulation 5.4 Certifications and Compliances 5.5 Manufacturere Address 5.6 Warranty and RMA Information 5.7 Return of Devices 5.8 Copyright and Exclusion of Liability 5.9 List of Acronyms 5.10 Thorlabs Worldwide Contacts and WEEE Policy...

  • Page 4: Foreword

    Paragraphs preceded by this symbol explain hazards that could damage the instrument and the connected equipment or may cause loss of data. Note This manual also contains "NOTES" and "HINTS" written in this form. Please read this advice carefully! © 2023 Thorlabs...

  • Page 5: General Information

    The T-Cube Series LED Driver is a compact, single channel controller for easy control of the LED intensity. The LEDD1B delivers a max output current of 1200 mA. It is designed for use with Thorlabs collimated and mounted LED packages. The connected LED is controlled by one of three selectable modes: continuous, modulated, or trigger mode.

  • Page 6: Safety

    If necessary, ask for replacement packaging. Refer servicing to qualified personnel! Only with written consent from Thorlabs may changes to single components be made or com- ponents not supplied by Thorlabs be used. All modules must only be operated with proper shielded connection cables. Improper grounding...

  • Page 7: Ordering Codes And Accessories

    "Photobiological Safety of Lamps & Lamp Systems" CEI IEC 62471. Warnings The LEDD1B driver was designed for operation of high brightness LEDs, which can handle for- ward currents of several hundreds of mA. Use of LEDs with a lower forward current could result in damage to the LED.

  • Page 8: Getting Started

    5. 1x Screwdriver to Adjust the Current Limit 2.2 Mounting Options The T-Cube LEDD1B LED Driver is shipped with a base plate attached, ready to be mounted to a breadboard, optical table or similar surface. The base plate can be removed and the unit can be put on rubber feet - see Section...

  • Page 9: Switch Off

    Please follow the Warning and Safety instructions for the attached LED. 8. Switch on the LEDD1B LED Driver by turning the rotary control knob on top of the LEDD1B in the clockwise direction until the LED reaches the desired intensity.
  • Page 10 2. Remove the backing paper from the rubber feet taking care not to touch the exposed adhes- ive surface. 3. Position the feet as desired, then press and hold for a few seconds until the adhesive has bonded. 4. The unit may now be used freestanding, sitting on its rubber feet. © 2023 Thorlabs...

  • Page 11: Operating Instruction

    The LED current can be arbitrary modulated, i.e. sine wave modulation. Rotary Control Knob The rotary control know is used to switch on the unit (from | to 0), and to adjust the intensity of the associated LED when operating in CW mode. © 2023 Thorlabs...

  • Page 12: Current Limit Control

    3.2 Current Limit Control Current Limit Control The LEDD1B features an LED current limit control. A potentiometer accessible on the front is used to adjust the current limit. The limit can be set in the range from 200mA up to 1200mA. In CW and Trigger mode the adjustment range of the rotary control knob on the top side is auto- matically adapted.

  • Page 13: Modulation Mode

    Increase the voltage from 0 to 5V and notice how the LED brightness increases accord- ingly. If a modulated signal is applied, the LED is modulated accordingly. Turn off the external voltage source. 10. Turn the control knob fully counterclockwise to turn the unit OFF. © 2023 Thorlabs...

  • Page 14: Maintenance And Service

    LED brightness does not increase while turning the control knob clockwise or while in- creasing analog input voltage · The LEDD1B has a compliance voltage of 11V min / 12V (typ) if loaded. If this voltage is reached the internal circuit will limit both the LED voltage and LED current to prevent dam- age.
  • Page 15 4 Maintenance and Service The brightness of the LED is too small. · The LEDD1B features a current limit. If for example the limit is set to 350mA no more than this limit can be driven through the LED. ® Check the current limit and adjust it if necessary.

  • Page 16: Appendix

    100 ... 240 VAC (-10 %, +10 %) Line Frequency (Ext. Power Supply) 50 ... 60 Hz Supply mains over Voltage Category II (Cat II) Input Voltage (LEDD1B chassis) 15 V DC Power Consumption (max) 15 VA © 2023 Thorlabs...

  • Page 17: Led Connector

    CAB-LEDD1. It is a standard M8x1 sensor connector. Pin 1 and 2 are the connections to the LED. Pin 3 and 4 must not be connec- ted. Male Connector of the CAB-LEDD1 © 2023 Thorlabs...

  • Page 18: Application Note

    For this reason it is advantageous for fluorescence micro- scopy illumination. Thorlabs DC4100 LED drivers use this principle of operation. The disadvantage is the low efficiency of the linear current control: linear regulators waste en- ergy as they operate by dissipating excess power as heat.

  • Page 19: Pulse Width Modulation

    In such a design the heat dissipation is reduced to a mi- nimum. Thorlabs DC2200 LED Driver is based on this approach. The disadvantage of this method is the use of more, often expensive components and the re- quirement for more space than conventional constant current linear or switching drivers.

  • Page 20: Certifications And Compliances

    LEDD1B 5.4 Certifications and Compliances © 2023 Thorlabs...

  • Page 21: Manufacturere Address

    5.6 Warranty and RMA Information Thorlabs warrants material and production of the LEDD1B for a period of 24 months starting with the date of shipment in accordance with and subject to the terms and conditions set forth in Thorlabs’ General Terms and Conditions of Sale which can be found at: General Terms and Conditions: https://www.thorlabs.com/Images/PDF/LG-PO-001_Thorlabs_terms_and_%20agreements.pdf...

  • Page 22: List Of Acronyms

    Continuous Wave Direct Current DGND Digital Ground Electromagnetic Compatibility Federal Communications Commission HBLED High Brightness LED International Electrotechnical Commission Light Emitting Diode Printed Circuit Board Power Supply Unit Universal Serial Bus WEEE Waste Electrical and Electronic Equipment Directive © 2023 Thorlabs...

  • Page 23: Thorlabs Worldwide Contacts And Weee Policy

    EC, and are not dissembled or contaminated. Contact Thorlabs for more informa- tion. Waste treatment is your own responsibility. “End of life” units must be returned to Thorlabs or handed to a company specializing in waste recovery. Do not dispose of the unit in a litter bin or at a public waste disposal site.
  • Page 24 www.thorlabs.com...

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