Re: N channel Mosfet H bridge drive
From: Tilmann Reh (tilmann.reh_at_autometer.de)
Date: 03/10/04
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Date: Wed, 10 Mar 2004 17:34:08 +0100
Richard schrieb:
> I am building 2 H bridges to drive a bipolar stepper motor controlled by a
> PIC . I would like to apply 50 to 80 volts. I understand that there are H
> bridge drivers for the mosfets like HIP4081A. But find them a bit costly
> almost $10USD a piece and I need 2 pieces. Is there an alternative to make a
> charge pump circuit to solve the problem of switching on the upper channel
> FETs?
a) no need to post this three times.
b) look at IR2111 from IRF.
HTH,
-- Dipl.-Ing. Tilmann Reh Autometer GmbH Siegen - Elektronik nach Maß. http://www.autometer.de ================================================================== In a world without walls and fences, who needs Windows and Gates ? (Sun Microsystems)
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