[Noisebridge-discuss] Fwd: anyone ever use these infineon half bridges?

Michael Shiloh michaelshiloh1010 at gmail.com
Wed Nov 24 22:06:43 UTC 2010


why do you have to buy from findchips? are they obsolete?

On 11/24/2010 01:15 PM, Jonathan Foote wrote:
> Haven't looked at that, but I looked at the STI VNH2SP30 for SWARM. 30
> amps, full bridge, $10 on findchips.com. You can gang the 2 half
> bridges for a 60 amp half bridge. Similarly easy to interface and
> Pololu has some good breakout boards.  (The kicker for Swarm was that
> -- buried in the datasheet -- it maxes out at 12 VDC operational and
> we needed 24.)  I have some atmega code to drive it.
>
>
> On Wed, Nov 24, 2010 at 12:51 PM, Michael Shiloh
> <michaelshiloh1010 at gmail.com>  wrote:
>> single chip integrates N-channel and P-channel mosfets and drive
>> circuitry with current sensing and full protection. Simple 7 pin
>> connection, current capability 20-40A
>>
>>
>>         BTN7930S
>>
>> about $6 at digikey
>>
>> a similar part is used by robotpower's h bridge, but that part is
>> obsolete. looks dead simple to use.
>>
>> i'm tempted to get a couple just to play with
>> --
>> Michael Shiloh
>> KA6RCQ
>> www.teachmetomake.com
>> teachmetomake.wordpress.com
>> _______________________________________________
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>>
>



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