> -----Original Message-----
> From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On
Behalf
> Of Marcelo Rodrigues
> Sent: 01 March 2010 17:01
> To: piclist@mit.edu
> Subject: Re: [EE] MCP73831 Battery Charger
> 
> 
> Hi, arocholl,
> 
> I'm using the LIR2032 battery (Nominal C = 35mAh and standard charging
> method = CC 17mA (0.5C)). Thus the PROG resistor i'm using is 60K4
(aprox.
> 16mA).
> 
> I can't just plug a battery and check the current value. It will be
tested
> in the production
> and must be a fast method. The people that will make it, must just
verify
> if
> threre is a known current value. As the current depends on the battery
> voltage, i can't use it.
> 

It sounds like you need a voltage source that can sink current which
could be used to emulate a battery in this context.  A resistor is
unlikely to do what you want, I'd be surprised if the charger didn't
shutdown with zero volts on it's output.

Mike

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