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Sunday, 26 March 2017

Simple low high voltage cut circuit

Here is a circuit of simple low/high voltage cut circuit.Various safety circuit (low/high voltage cut) using IC.But in this circuit we are using two transistor for this circuit.

As we saw that the entire circuit is build using two transistor and very few of other components.Transistors are used to drive the relay.And also transistor T1 and T2 used to cut the supply in high and low voltage respectively.Where the variable resistors VR1 and VR2 is used to adjust the high and low voltages.As we know that when zener diode is connected to emitter of transistor then it get back bias voltage. The variable resistor VR1 and VR2 is so adjusted that it does not connect the transistor T2 and T1 in high and low voltage respectively. The load is connected through relay RL1.

PARTS LIST

Resistors
R1, R4 = 4.7 KΩ
R2, R3 = 220 Ω
VR1 = 10 KΩ
VR2 = 10 KΩ
Semiconductors
T1, T2 = BC148
ZD1, ZD2 = 5.6V
Miscellaneous
RL1 = 18V/500Ω

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Thursday, 22 September 2016

Battery charger circuit diagram auto cut off

diagram of USB Li-Ion Battery Charger Circuit with Auto Cut-off

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images taken from various sources for illustration only Battery charger circuit diagram auto cut off

12v battery charger circuit with auto cut off - circuits, 12v battery charger circuit with auto cut off gallery of electronic circuits and projects, providing lot of diy circuit diagrams, robotics & microcontroller projects.

12v & 6v battery charger with auto cut off | circuit diagram, Here is a very simple automatic 12v and 6v battery charger circuit with auto cut off relay. the term auto cut off means that the circuit will automatically cut the.

Automatic battery charger circuit, 1. simple automatic battery charger circuit principle working. this is an automatic battery charger circuit, which normally producer will tell at battery as follows:.

Fast charger with auto cut off - electroschematics.com, This is the modified version of the fast charger circuit posted earlier. this circuit has auto cut off facility also. this high current charger can be used for the.

The simplist auto battery charger circuit using - youtube, The simplist auto battery charger circuit using 555(english version).

Battery charger circuits | circuitdiagram.org, A good designed circuit of a alkaline battery charger. the interesting thing of this circuit is that it uses a led that will show the charge of battery by blinking.

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