I've attached a schematic and a program plan on this scratch image. I'm hopping to accomplish a lead acid battery charger for alarm batteries for this backup power supply I hope to use to supply enough power to recharge 5 cell phones ... or keep them alive... I'm going to be use 2 batteries of course, so I wanted to start small and work my way up and master being able to charge one battery.
I'm wondering if using a PIC would do the job just fine using two voltage regulators to control the amps to feed the battery so I can easily tickle charge it if I wish.
If you read the schematic and program plan, I basically have the rectangles as functions and the diamonds as if statements. If you look to the right you notice a loop I've designed to trigger after every function the PIC does to insure the battery doesn't over charge.
I was wondering if my schematic/program sounds good and if I can get some tips or pointers on a much more efficient design.
Schematic Notes:
I forgot to put in a voltage regulator that sets the volts to 14v instead of 25v.
The program plan should say 14v instead of 13v.
The poorly drawn N-Channel MOSFET should be the two voltage regulators.
Thanks, Ajm.
P.S Sorry for the poorly drawn image, it's 3 AM.
I'm wondering if using a PIC would do the job just fine using two voltage regulators to control the amps to feed the battery so I can easily tickle charge it if I wish.
If you read the schematic and program plan, I basically have the rectangles as functions and the diamonds as if statements. If you look to the right you notice a loop I've designed to trigger after every function the PIC does to insure the battery doesn't over charge.
I was wondering if my schematic/program sounds good and if I can get some tips or pointers on a much more efficient design.
Schematic Notes:
I forgot to put in a voltage regulator that sets the volts to 14v instead of 25v.
The program plan should say 14v instead of 13v.
The poorly drawn N-Channel MOSFET should be the two voltage regulators.
Thanks, Ajm.
P.S Sorry for the poorly drawn image, it's 3 AM.
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