Paul,

The controller has been updated to include a low voltage shutdown
feature. You might want to look into IR2153, the newer part with that
feature in your CDI design. Of all things, if will be safer not to
burn up a Power MOSFET mid-air.

http://www.irf.com/product-info/datasheets/data/ir21531.pdf

regards,

Henry

I'll get around to give it a try in the Aussi CDI system I have.


Paul Lamar
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