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Introducing the pco 7114-22-2

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https://directedenergy.com/product/pco-7114-22-2

The PCO-7114 is a compact and economical pulsed-current OEM laser diode driver module that provides up to 22 Ampere current at a fixed pulse width of ≤2 nanoseconds at up to 1.1 MHz pulse repetition frequency.

Mounting pads are provided to mount the laser diode directly to the driver. The four-hole mounting pattern accepts TO-18, TO-5, TO-52, 5.6 mm, and 9 mm packages. To accommodate other diode packages and mounting configurations, two solder pads at the end of the board accept various laser diode packages mounted on-axis to the driver. Alternately, low-inductance stripline cable can be used for connection to a remotely located diode.

The output current is controlled by the voltage at the high-voltage input. The output frequency is controlled by the trigger input frequency.

A current monitor output may be viewed with an oscilloscope, providing a straightforward means to observe the diode current waveform in real-time.

Features
6 A To 22 A Output
Pulse Repetition Frequency To 1.1 MHz
Pulsed Current Monitor Output
Applications
The PCO-7114 is designed to provide extremely fast high-current pulses for driving laser diodes in:

Range finders
LIDAR (Light Detection And Ranging)
ADAS (Advanced driver-assistance systems)
Other applications requiring high-current nanosecond pulses

Published in: Devices & Hardware
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Introducing the pco 7114-22-2

  1. 1. PCO-7114-22-2 LASER DIODE DRIVER MODULE IXYS COLORADO IS YOUR PARTNER FROM THE LAB TO PRODUCT LAUNCH
  2. 2. Product Overview 2  Fixed Pulse Width Laser Diode Driver  Open Frame (PCB only)  Designed for OEM applications  Focus on your core product and customer and we’ll provide the solution for your pulsed and high current/high power requirements.
  3. 3. What’s in the Box?  PCO-7114-22-2 Laser Diode Driver Module  PCA-9190 Control Cable Assembly  Operating Manual 3
  4. 4. Accessories & Replacement Parts 4  PCA-9190 Control Cable Assembly (included)  1820-0030 Output Micro-Stripline  PCA-9140 Current Monitor Cable Assembly PCA-9140 Current Monitor Cable PCA-9190 Current Monitor Cable 1820-0030 Output Micro-Stripline
  5. 5. Front & Rear View 5
  6. 6. Available Models  PCO-7114-22-2  Output Current 22 A  Pulse Width 2 ns  PCO-7114-50-4  Output Current 50 A  Pulse Width 4 ns 6
  7. 7. Technical Overview  Designed to provide extremely fast, high-current pulses to drive laser diodes  Output current range 6A to 22A  Output pulse rise time 2ns +/- 1ns  Output pulse width fixed  < 2ns 7
  8. 8. Technical Overview  Adjustment of Current output  0V to 180V produces output current of 0A to 22A  Input Trigger  0V to 5V  Input impedance 50 ohms  Current monitor  Optional current sense cable  Oscilloscope input impedance 50 ohms  1V output = 20 A 8
  9. 9. Technical Overview  Supported Device Packages  TO-18  TO-5  TO-52  5.6 mm  9 mm  DEI Micro-stripline 9
  10. 10. Safe operating area graph 10
  11. 11. Typical Output 11 6 A, 1.66 ns, shorted load, inverted current monitor
  12. 12. Typical Output 12 22 A, 1.58 ns, shorted load, inverted current monitor
  13. 13. Setting Up 13
  14. 14. Setting Up 14
  15. 15. Setting Up 15
  16. 16. Setting Up 16
  17. 17. Setting Up 17
  18. 18. Setting Up 18
  19. 19. Setting Up 19
  20. 20. Setting Up 20
  21. 21. Setting Up 21
  22. 22. Setting Up 22
  23. 23. Setting Up 23
  24. 24. Setting Up 24 22 A, 1.58 ns, shorted load, inverted current monitor
  25. 25. Solutions to Common Problems  Problem: No light output from laser.  Solutions: 1) Make sure the polarity of the laser is correct.  2) Make sure J1 and J2 polarities are correct.  3) Can the trigger source drive a 50 ohm load?  4) Are the 24 V and high voltage sources on?  5) Is the trigger signal on? 25
  26. 26. Solutions to Common Problems  Problem: Reduced output or ringing on the laser output .  Solutions: 1) Make sure all connections are solid.  2) Is the trigger frequency at or below the frequencies shown in the datasheet’s Frequency vs Current graph?  3) Assure connections are made to minimize inductance and resistance. DEI recommends connecting the laser directly to the PCBA or DEI Micro-stripline cable. 26
  27. 27. Contacting Us 970-493-1901 sales@ixyscolorado.com Visit Us 1609 Oakridge Drive Suite 100 Fort Collins, CO 80525 USA Give us your laser driver problem. Give us your pulsed voltage problem. Stay focused on your product and customer. The Lab to Launch Program from Directed Energy… 27

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