Take a look at Texas Instruments Power MUX chips. These are idea for automatic power switch-over applications. I'm using the TPS2115 and it rocks: http://focus.ti.com/docs/prod/folders/print/tps2115.html Barry -----Original Message----- From: jaythesis [mailto:jaythesis@yahoo.com] Sent: Saturday, March 13, 2004 9:55 PM Subject: [AVR-Chat] back-up power supply circuit hi! does anyone have a circuit design on back-up power supply? like if the main power is cut-off, the battery automatically takes over to supply the MCU. can i have the design? thanks in advance. -jay Yahoo! Groups Links
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RE: [AVR-Chat] back-up power supply circuit
2004-03-14 by LightYearCS