LM317 Charger 24v 1A

[azadfalah]

Hello friends

How can I turn the circuit below into a 24-volt ~1A charger?

Is the change in feedback Resistors enough?





Thanks

 

[barry]

1) Read the data sheet, It's easy!

2) Try to understand how the circuit works.

2) Adjust the 2K pot to give you 24V.

3) Change the value of the .5 ohm resistor to turn the transistor on when 1 amp flows--> I x R=0.6V

 

[dick_freebird]

1A is going to make the LM317 mighty warm and maybe even
put you onto overtemp limit unless you spend some effort on
the thermal management and maybe supplement with an external
pass transistor (see copious application figures).

A switcher ought to cost not much more (you can buy cheap
ones now at near cost parity, especially if you factor in the
finned aluminum and fan).

Now, "charger" has come to mean more than some amps at
fixed voltage. Charge control is a thing. Do you need some?
In that case, more complex ICs might want a look.

 

[chemelec]

A Charger for What, To Charge a 24 Volt Lead acid battery?
If so, you need More than 24 Volts