24v Auto Cutt off battery Charger

Electronics & Electrical Engineering Topics
Post Reply
bpsystem
Corporal
Corporal
Posts: 4
Joined: Mon Dec 25, 2017 10:43 pm

24v Auto Cutt off battery Charger

Post by bpsystem » Mon Dec 25, 2017 10:50 pm

Hi, guys I have requirement for charge 24V battery with 28V DC 45A transformer, but i want to add auto cut off function for the transformer. pls help me..
User avatar
Neo
Site Admin
Site Admin
Posts: 2642
Joined: Wed Jul 15, 2009 2:07 am
Location: Colombo

Re: 24v Auto Cutt off battery Charger

Post by Neo » Mon Dec 25, 2017 11:59 pm

You mean to monitor battery voltage level and cut-off charging after the battery is fully charged ?
bpsystem
Corporal
Corporal
Posts: 4
Joined: Mon Dec 25, 2017 10:43 pm

Re: 24v Auto Cutt off battery Charger

Post by bpsystem » Fri Dec 29, 2017 7:01 pm

yep...
User avatar
Neo
Site Admin
Site Admin
Posts: 2642
Joined: Wed Jul 15, 2009 2:07 am
Location: Colombo

Re: 24v Auto Cutt off battery Charger

Post by Neo » Sat Dec 30, 2017 4:19 pm

You can do it either with a comparator or a small microcontroller. In my case, I used a small microcontroller (ADC) that cut-off charging, measure voltage and if fully charged, stop further charging until voltage level become lower which is checked every few minutes (continuous charging system) or else continue to charge. A battery charging regulator such as LM317, LM338 would help you to cope up with charging topologies for different batteries.

Also, there are battery charging ICs that are made for different charging method. In my case, I found it is less interesting :)
Post Reply

Return to “Electronics & Electrical Engineering”