PWM injector driver

Greg Hermann bearbvd at cmn.net
Sun Apr 8 17:25:07 GMT 2001


At 12:15 PM 4/8/01, rr wrote:
>RE: running PnH's at 24 v.
>
>I've thought about this. It seems as though the standard 4/1 A PnH
>circuit would suffice. The driver dissipation would double when at the
>hold current. Other then that it looks do-able. I'll bet that the injector
>would open quite a bit faster.
>
>BobR.
>
Yeah, by why do it the wasteful way, and create even more heat to get rid
of. With a switching power supply--or a pwm power device for setting the
hold current, the heat problem gets a _LOT_ smaller, as does the power
usage.

Greg


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