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High Efficency MOSFET H-bridge

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saeed_pk

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good efficiency mosfet h bridge

Hi all,
I want to design High Efficency H bridge using power MOSFETs please upload any circuits you have also include MOSFET Driver & isolation circuit.
I have TTL logic from MCU to drive these FETs
 

bohumilfulin

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I designet this half H bridge yesterday for my small project. If you want, try it.

Change from half H bridge to H brigde must be easy for you.

good luck
 

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With that high impedance gate drive, you get about 20 us Vgs risetime. So it can be high efficiency only at very low switching frequencies up to some 100 Hz.
 
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