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500 A -100 V pulsed power supply

2 channels 500A-100V Pulsed Power Supply

Pulsed power supply driver for QCW diodes

coche-blanche
500 A -100 V pulsed power supply
The power supply generates current pulses (QCW mode) adjustable between 0 and 500 A, with pulse durations from 20 µs to 3 ms, at an average power up to 1000 W. The driver is packaged in a self-cooled 3U rack, which includes the AC/DC convertor and a user-friendly front-panel, touch-screen interface.
  • Reliable – Industrial grade components 
  • Universal AC input: 115-230 VAC / 50-60 Hz
  • Diode voltage: 0 to 100 V
  • Floating outputs
  • 2 channels option, independent (2x500 A) or paralleled (1x1000 A)
  • High efficiency: 80% typical from AC input
  • Output overvoltage, overcurrent, short-circuit & open circuit protection
  • Touch screen functions: pulse parameters, protection level settings, measurement & error readings
  • Communication interface: all settings and measures available through I2C, SPI, CAN or Ethernet
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Power Supply
Input Voltage
85 VAC to 265 VAC / 45-65 Hz (Universal AC)
Load Output
Diode IR voltage
10 - 100 V floating
Output peak current 0 to 500 A
Output peak power 50 kW
Output average power 1000 W
Pulse energy 150 J max
Pulse duration 20 to 3000 µs, limited to 150 J pulse energy
Current rise time (10 % - 90 %) 10 µs typical (depending on cabling), without overshoot
Current rise time (90 % - 10 %) 10 µs typical (depending on cabling)
Pulse repetition frequency 0 to 500 Hz (limited by pulse duration and average power)
Pulse to pulse stability < 0.10 %
Jitter < 100 ns
Input - Output insulation 2000 VAC
Output - Chassis insulation 500 VAC
Interface
Communication protocol
CAN, I2C, SPI or Ethernet
Synchronization
Internal or external
Pulse mode
Single or repetition
Control mode
Remote or local
Internal protections
Permanent short circuit
Over load protection
Reverse polarity (programmable overvoltage protection)
Open circuit
Crowbar 110 V +/- 5 V
Temperature protection
External protections
Security loop on back panel
Front panel emergency stop
Display
Front LEDs Ready (green), Laser on (orange), Error (red)
Control elements
Keys  Switch button On/Off
Emergency stop key
 Instantaneously shut down all power circuits
Options
Display  Touch screen on front panel
 2 independent drivers

 2 output drivers (0-500 A, 10-100 V)
 Same pulse characteristics
 Common ground reference
 Independant control (voltage and current)
 Internal or external synchronization
 Total pulsed energy (Channel 1 + 2) 150 mJ
(shared between the 2 channels)
Housing
 Dimensions  482 x 133 x 465 mm (19" rack, 3U)
 Weight 12 kg typical
Chassis material Aluminium
Operating temperature range (HR < 80%) 0 to +40°C
Storage temperature -20 to +70°C
Cooling Forced air (internal fan)
Other  
Output connector Screwed connectors (M6)
MTBF > 250 000 hours
Norms
Compliance to EN55011/22 Conducted Noise, Class B
AC to DC conversion approved to UL, CSA
CE certified

The power supply generates current pulses (QCW mode) that can be set between 0 and 500 A, with adjustable pulse width from 20 µs to 3 ms, and an average power (peak power by duty cycle) of up to 1000 W. It is packaged in a self-cooled 3U rack, with a user-friendly front-panel touch-screen interface.
This power supply is suited for powering High Power Laser Diodes in a very versatile way, offering several control options, such as internal or external trigger, pulse duration, single shot to any repetition frequency rate.
It also displays applied pulse characteristics: current, voltage and pulse duration. All commands, controls data and pulse measurements are also available through the digital communication bus (I2C, SPI, CAN) or Ethernet (as an option).
The power supply also features all necessary protections to ensure the safety of the laser diodes (and driver) against overcurrent, overvoltage, short and open circuits, and over temperature. All the parameters are user-adjustable.
A second independent channel is offered as an option and can be used either independently or in parallel with the 2nd channel for higher operational current (with the ability to drive diodes up to 1000 A under 100 V).

Custom designs can also be developed.
  • High power laser diode driver
  • etc.