Hi to all.. Can I recharge button batteries with a lot of photodiodes such as BPW 34 ( vishay)

 

In teory...y..but don't bother

 

I cant..I have to recharge button batteries with something. How can I do it instead of them?

 

with a handy button cell charger you plug into the wall...

of course you don't have one available. maybe if you explained your problem in more detail, you would get a good answer. remember that the quality of the answers is directly proportional to the quality of your question.

 

Sorry... I will make a telemetry system. I will put it ine a bracelet. I want it to be an independent from chargers. I want it to get energy from solar cell or photodiode... Thank you for helps

 

as in something worn around a wrist? wow, now that is a tough one. what is your space and weight budget? Have you looked at mechanical devices? back in the 60s, there were watches that had little mechanical arms in them that rewound the watch spring. normal movement kept the spring wound all the time. you might try a version with a magnet and a coil.

of course, very low power engineering is a must.

 

It will be an identification system same time.. I will use a maxim dallas transceiver and a microchip PIC. I know a gold artist. He will put solar cells or photodiodes as a diomonds on a gold bracelet and but circuits in it also.. I want this system to be efficient in 60 meters. It is enough for me

 

I want to know if I can use photodiodes for recharge button lithium batteries.

 

Hmmm....I've read about Wrist watches powered by....moving your hand (probably a induction thingy)..some company makes them. But might be expensive to buy one, and hard to get the mecanism.
Beter use a solar cell. You know...I bought some 5 years ago a poket calculator powered by 4 solar cells in a 20X5 mm panel.I don't know how to extract them from the panel.

 

What are your power requiements? 3 volts for the PIC? Transceiver? How much current?

 

circuit will need pic plus transceiver currents..3-5 colt and 50 milliamper

 

the problem with anything photo is that it may spend much of the time covered - sleeves/cuffs, hands in pockets, gloves, under the table, etc. If it's for an animal, it may get dirt on it.

50 mA is significant - what kind of duty cycle?

 

Will I can get answer?.. Can I recharge button batteries with photodiodes such as BPW 34

 

% 100 duty cycle at 434 MHz. 12.4 mA for transceiver and 25 mA for PIC

 

http://datasheets.maxim-ic.com/en/ds/MAX7030.pdf transceiver data sheet