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Author Topic: simple UPS  (Read 1002 times)
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free
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« on: February 15, 2008, 11:43:17 23:43 »

I used ac line with voltage reg (7805) as primary power source for my PIC, the other hand I want to use SLA 7Ah as secondary power.
I want to build simple UPS with SLA "safe" charger and no relay as switching.
Do you have the circuit for it? 
« Last Edit: February 16, 2008, 12:37:49 12:37 by free » Logged

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« Reply #1 on: February 25, 2008, 09:37:30 09:37 »

Seee www.microchip.com for application note AN714. This is about some security system but also inludes a battery charger!
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