If both inputs are “0” at the same time.įor example, If input A has voltage is 0 volts, Q1 and Q4 will conduct both, and an anode of D6 will be connected to 12 volts. Which it will protect the transistors and circuits do not damage. There are two other components that contribute, diode D5 and D6. 2 channel DC motor driver circuit on a saving model Which it makes we can drive the common motor circuits.
In driving the Q4 and Q2(BD241), respectively. This means that we use the base current of Q1 and Q3(BD242). The current flows through Q1 by controlling of Q5. When the transistor Q5 (BD140 or BD136) conduct the Q1(BD242) work too. Which is opposite to the two transistor driver. When it comes this time, we will explain what is part of this circuit that saving. Next, the DC motor is running in one direction. The transistor Q5 will conduct a current, causes to transistors Q1 and Q4 also conducts. What will happen? If some input voltage is “0” (such as input A). They have 2 input and if both inputs are “1” (12 volts). They can control rotate direction and ON-OFF motor. This is 2 channel DC motor driver on saving the model. MCU Control Motor Speed and Direction 2 channel DC motor driver on saving a model
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