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Recent content by k2n2a2

  1. K

    Gate driver output going negative

    Hi, I used a gate driver from Fairchild (FAN73832) and connected it the way the datasheet shows (image 1), and I expected that both outputs high side and low side to range from 0V to 15V. But when I connected the chip and measured the output, the high side output ges from -5V to 10V. I...
  2. K

    Is a pull down resistor needed here?

    Hi I was reading the datasheet for this part (FAN73832) and I found in the logic characteristics section something about 100K ohm input pull down resistor. does that mean I have to connect a 100k Ohm resistor between the input pin and the ground pin? my input is 5V TTL PWM signal supplied by a...
  3. K

    How to introduce dead time in a IGBT circuit

    No, there are no coils in the design. The signal goes from the gate driver directly to the igbt gate.
  4. K

    How to introduce dead time in a IGBT circuit

    Hi, I am building a half H bridge consisting of two IGBTs and two gate drivers. both IGBTs are driven from one PWM source, one IGBT conducts when the PWM is high while the other is off, then the second IGBT conducts when the PWM is low while the first is off. What can I do to introduce dead...

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