SCHEMA BATTERY CHARGER Ni-Cd BATTERY AUTO circuit schematic with explanation

SCHEMA BATTERY CHARGER Ni-Cd BATTERY AUTO

SCHEMA BATTERY CHARGER Ni-Cd:
SCHEMA BATTERY CHARGER Ni-Cd BATTERY AUTO circuit schematic with explanation


It is a device that can charge any battery Ni-Cd between 4.8 and 1 4.4 Volts with a conventional car battery 1 2 volts. The charging current is constant it can be chosen from the values ​​1 50 20 mA by the selector S.
SCHEMA BATTERY CHARGER Ni-Cd BATTERY AUTO circuit schematic with explanation


This device is very useful for lovers of model making, the video operator, those who use small reception issuance of appliances and all those who use Ni-Cd batteries and need to recharge or network voltage n ' is not available.
SCHEMA BATTERY CHARGER Ni-Cd BATTERY AUTO circuit schematic with explanation



LIST OF ELECTRONIC COMPONENTS: All resistors are of 1/4 watt unless statedotherwise. R = 220Kohms R2 = 1 Kohm R3 = lKohm R4 = 120 ohm 1 watt R5 = 68 ohm 1 watt CI = 10 nF ceramic. C2 = 1000uF16Velec. C3 = 1000yF25Velec. D1 = 1N4001 ... 7 D2-1N4001 ... 7 D3-1N4001 ... 7 T1 = BDX53 T2 = BDX53 IC1 4047 = IC2 = 7805 1 selector 3 Heat Sinks 1 Support 14 pin

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