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Results tagged with h-bridge
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user 109619
A circuit using four switching elements which allows power to be applied to a load in either direction. Often used for reversible motor control.
2
votes
I’m trying to create a H bridge, using MOSFETs, for some reason my output is only going in t...
With respect to ground, your H-bridge can only produce positive voltages.
If you measure the voltage across your load R1, you will see bipolar voltages.
If you need bipolar voltage with regard to grou …
- 16.8k
3
votes
Accepted
May I use relay rated for 5A to switch 12A?
Most likley not. The relay rating depends on both losses and actual breaking capability. Check the contact resistance and calculate I^2*R. You'll end up with a big number.
- 16.8k
1
vote
Is there a way to use NPN transistor for high side of H bridge at around 400 volts?
Yes, it’s possible. You need to provide base drive above your supply voltage in order to not make an emitter follower and at this point you might as well use a MOSFET instead.
If your supply voltage i …
- 16.8k