Re: Amazon Dash product ordering button
Posted:
Mon Apr 13, 2015 5:36 pmby jonsmirl
Maybe something like this for a boost supply to use a Lithium coin cell?
http://www.skyworksinc.com/uploads/docu ... 02050B.pdf$0.35 at Digikey
Re: Amazon Dash product ordering button
Posted:
Tue Apr 14, 2015 2:25 amby Sprite_tm
jonsmirl wrote:Maybe something like this for a boost supply to use a Lithium coin cell?
http://www.skyworksinc.com/uploads/docu ... 02050B.pdf
$0.35 at Digikey
I'm not sure if a coin cell would work at all. According to
http://www.ti.com/lit/wp/swra349/swra349.pdf , you should expect a max current draw of 30mA or so max from a CR2032.
Re: Amazon Dash product ordering button
Posted:
Tue Apr 14, 2015 6:37 amby spants
Thanks for the info - would this circuit work with 2x1.5v AAA batteries?
Tony
Re: Amazon Dash product ordering button
Posted:
Tue Apr 14, 2015 6:38 amby jonsmirl
Aren't these big current spikes quite short? Wouldn't they come out of the capacitor?