Automatic Charger with CD4541


Posted on Jun 23, 2012

The circuit is capable of supplying either a trickle (50 mA) or high-current (1-A) charge. You can select either charging method or an automatic mode that will first trickle charge a battery if it is particularly low before switching to high-current charging.


Automatic Charger with CD4541
Click here to download the full size of the above Circuit.

If the battery's voltage is low, Zener-diode D5 will not conduct sufficient current to produce a voltage drop across R6 to turn Q2 on. With Q2 off, R4 pulls the base of Q1 high, turning it on. That activates K1. With K1 active, the only thing between the




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

DC Motor Controller
GSM Automatic Meter Reading
SmartCard adapter / interface for PC
sensitive FM Transmitter
arduino Switch transistor with a low voltage and current
led vu meter
15v battery operated fm
motorcycle alarms numbers
LED Volt Meter Circuit LM324
remote-control-circuits
USAT F3A Tips
Serial PCI Express Bus
start up aid for pcs
LED Pumpkin Candles for Colorful Halloween Jack-O-Lanterns
Three-terminal voltage regulator integrated fixed a typical wiring circuit
One of the battery discharge protection circuit



Top