May 1, 2005 #1 S shoja Junior Member level 1 Joined Mar 23, 2005 Messages 15 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,383 hi all i need an IC when the power goes off , it saves time. and when the power goes on ,it makes the internal battery of IC charged.
hi all i need an IC when the power goes off , it saves time. and when the power goes on ,it makes the internal battery of IC charged.
May 1, 2005 #2 glenjoy Banned Joined Jan 1, 2004 Messages 962 Helped 72 Reputation 146 Reaction score 20 Trophy points 1,298 Location Philippines Activity points 0 shoja said: hi all i need an IC when the power goes off , it saves time. and when the power goes on ,it makes the internal battery of IC charged. Click to expand... Be more descriptive on your requirements.
shoja said: hi all i need an IC when the power goes off , it saves time. and when the power goes on ,it makes the internal battery of IC charged. Click to expand... Be more descriptive on your requirements.
May 1, 2005 #3 hm_fa_da Full Member level 5 Joined Sep 16, 2003 Messages 287 Helped 10 Reputation 20 Reaction score 4 Trophy points 1,298 Activity points 3,217 hi ; you can use an RTC IC ( can find in net for datasheet ) and a rechargabale battery , i haven't seen an IC including on-chip battery and charger circuit ,( you should design it yourself .) regards .
hi ; you can use an RTC IC ( can find in net for datasheet ) and a rechargabale battery , i haven't seen an IC including on-chip battery and charger circuit ,( you should design it yourself .) regards .
May 3, 2005 #4 A alba800 Junior Member level 2 Joined Oct 6, 2003 Messages 20 Helped 1 Reputation 2 Reaction score 0 Trophy points 1,281 Activity points 184 have a watch in the microchip web site, the DS1302 and family could be what you are searching for. bye alba800
have a watch in the microchip web site, the DS1302 and family could be what you are searching for. bye alba800