PIC low volt auto shutdown?

Oct 10, 2004 2 Replies

What is the most efficient design approach to having a PIC sense a battery supply voltage of below 4.5V and put itself into sleep mode?



George


Several PICs have an internal brownout detection circuit. Some of them have programmable voltages.

Ben Jackson http://www.ben.com/

Hi Goerge,

Dual slope AD conversion and a threshold value in the code?

Regards, Joerg

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