Re: [WheelCommander] WC-132

["Hank van Buuren" <hvburen@xxxxxxxxxxxx>]

Pete,
I wish you would disregard the message from Milton
I do have two H-Bridges with HIP4081A and 8 MOSFETS it took a long time to 
build these
and experimenting I do intent to use theme on your WC-132
Regards, Hank van Buuren

----- Original Message ----- 
From: "Pete Skeggs" <plskeggs@xxxxxxxxxxxxxxxx>
To: "WC-132 WheelCommander Controller Support List" 
<wheelcommander@xxxxxxxxxxxxxxxxx>
Sent: Saturday, November 28, 2009 8:40 PM
Subject: Re: [WheelCommander] WC-132


> Milton Street wrote:
> > I may be wrong, but wouldn't using a HIP-4080A (instead of the HIP-4081A) 
> > be able to directly connect with 3 lines directly to the WC-132 (for each 
> > motor control side)?
>
> I was answering Hank's question directly, not questioning his purchase. 
> He said he already had the H-bridges.
>
> > For the motors he wants to use he needs a really high current H-bridge. 
> > So, Pete, maybe you could give him some other alternative "high power" 
> > H-bridge (or H-bridge driver chip) solutions that do not require adding 
> > even more extra logic circuitry.
>
> This is a support list for the WC-132, not a general discussion list for 
> me to solve everyone's robot problems for free.  If you have a suggestion, 
> great, I'm sure he'd like to hear it.
>
> > It would be much nicer if he could use something simpler that could 
> > connect directly (with 3 lines per side) to the WC-132 (like some of the 
> > lower power H-bridge chips that are mentioned in the Wizard manual).
>
> Yes, obviously, but that's not what Hank said he had on hand.
>
> > My main concern with what he's trying to do though is the lack of proper 
> > over-current and over-heat protection with a "home built" H-bridge for 
> > that high power level.
>
> I don't know that it is home built.  Hank, did you buy these preassembled, 
> and if so, what part number are they?
>
> > So, Pete, if you've got any kind of "low cost" solution that might work 
> > better (or easier) for Hank I'm sure he'd appreciate any suggestions you 
> > could give him.
>
> I don't have any off hand.  Do you?
>
> -Pete
>
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