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Switching Circuits / Modules for Micro-EDM Application

I am looking to get the switching modules which can switch the high DC voltage coming from the programmable power supply for our Micro-EDM application. 
 {Micro-EDM is an application where one terminal from DC power source (-ve) after switching been connected to the tool & other terminal (+ve) been connected to the workpiece. As soon as these tool & workpiece comes close to each other, spark happens due to electric field and material is removed.} 

The DC Power supply specs are as below:

 V: 300V DC

I: 11 A

I needed some modules or circuits which can switch such high DC upto:

 Pulse ON / OFF : 500ns - 5 microseconds

Frequency : upto 2MHz or even better

These circuits/modules should be mainly connected through the DC Power source (300V DC, 11 A {what we have in our lab} ), whose one terminal  i.e. negative terminal usually been used for switching ON or OFF using either RC-Based or Transistor-Based Switching circuits. 
Also i needed to sense the voltage & current across the gap, i.e. changes during the course of sparking. Those values are needed to build the servo-mechanism of our system.
Please help me.
  • Hi Mayank,

    The only high voltage switch module that we have is a 600V GaN device, LMG3410, these are capable of switching at high speed and would be able to manage the current level.

    www.ti.com/.../LMG3410

    The device integrates the driver IC and the power switch so you just need to feed it a logic level PWM signal from a micro or DSP controller.

    Our product line does not have a solution for sense the voltage and current across the gap but the LMG3410 does have an internal current limit protection feature.

    Regards

    Peter

  • I have also faced the same issue to change my connection from DC to AC, but every time  there is any kind of error must occur may be internal or external, sometimes  there is an issue occurred regarding the voltage measurement, Please suggest me fix solution on Canon printer technical support for the problem, it will be very helpful to me.

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