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Results tagged with half-bridge
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user 222782
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vote
Accepted
Half-bridge driver giving high-side gate full input voltage
Turns out my scope probes were placed incorrectly. I was measuring from HO to Gnd and should have been measuring from HO to VS.
- 405
1
vote
2
answers
302
views
Half Bridge Impedance Matching
I’m currently building a half bridge induction heater and can’t understand impedance matching for the life of me.
Here’s an example of a basic half bridge induction heater. How and why was 45uH calcul …
- 405
1
vote
1
answer
57
views
Half-bridge driver giving high-side gate full input voltage
Using an IRS2513 half bridge driver tuned at 30 kHz with 1MBH60-100 1000 V, 60 A IGBTs, the driver is giving the high-side gate the full 24 V input voltage.
I have included a picture of how I configur …
- 405
0
votes
3
answers
145
views
While testing unloaded half-bridge, driver self-destructs
I have an IRS2153D configured so that the driver power supply is separate but not isolated from the half-bridge power supply. As soon as I place 12 V across the unloaded half-bridge, the driver bricks …
- 405
0
votes
1
answer
70
views
Half-bridge driver ground loop elimination
I built this half-bridge driver using a generic Schmitt trigger/hex inverter IC and a 555 timer as the square wave generator. By varying the value of the resistors, the dead time can be adjusted and i …
- 405