Car Nicd Battery charger

CAR NICD BATTERY CHARGERThis is a car nicd battery charger circuit that can charge any Ni-Cd battery between 4.8 and 4.4 volts from a classic 12 Volts car battery. The charging current is constant it can be selected from the values ​​of 50 to 120 mA by the selector S.

This feature is very useful for model making enthusiasts, for video operators, to those who use small appliances transmission and reception to all those that use Ni-Cd batteriesand need to recharge or voltage network is not available.

Car Nicd Battery charger Parts list :

All resistors are 1/4 watt unless otherwise stated.
R1 = 220Kohms
R2, R3 = 1 Kohm
R4 = 120 ohm 1 watt
R5 = 68 ohm 1 watt
CI = 10 nF ceramic.
C2 = 1000uF 16Velec.
C3 = 1000yF 25Velec.
D1 = 1N4001 … 7
D2 = 1N4001 … 7
D3 = 1N4001-7 …
T1 = BDX53
T2 = BDX53
IC1 = 4047
IC2 = 7805
S = 1 selector
3 Heatsinks
IC Support a 14-pin


Power supply is an electronic device that supplies electric energy to an electrical load. The primary function of a power supply is to convert one form of electrical energy to another and, as a result, power supplies are sometimes referred to as electric power converters. Some power supplies are discrete, stand-alone devices, whereas others are built into larger devices along with their loads. Examples of the latter include power supplies found in desktop computers and consumer electronics devices.

Tags: battery charger circuit car nicd battery charger car nicd charger Ni-Cd battery NiCd charger circuit

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