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=SJ=
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Hello,
do I need flyback diodes in circuit of L293D and 5V DC motor?
Thanks!
do I need flyback diodes in circuit of L293D and 5V DC motor?
Thanks!
hi there SJ=SJ= said:Hello,
do I need flyback diodes in circuit of L293D and 5V DC motor?
Thanks!
A flyback diode, also known as a freewheeling diode, is a diode that is placed in parallel with an inductive load, such as a motor or relay, in a circuit. It is used with L293d to protect the circuit from voltage spikes or reverse current that can occur when the inductive load is suddenly switched off.
When an inductive load is switched off, it creates a sudden change in current flow, which can generate a high voltage spike. The flyback diode provides a path for this voltage spike to dissipate, preventing it from damaging other components in the circuit.
No, not all diodes are suitable for use as flyback diodes with L293d. It is important to choose a diode with a fast switching speed and a high enough voltage rating to handle the voltage spikes generated by the inductive load.
The flyback diode should be placed in parallel with the inductive load, with the cathode (marked with a stripe) connected to the positive side of the load and the anode connected to the negative side. Placing the diode in the wrong direction can cause it to fail and potentially damage the circuit.
Yes, multiple flyback diodes can be used in a circuit with L293d if there are multiple inductive loads. Each diode should be placed in parallel with its respective load to protect against voltage spikes. It is important to choose diodes with appropriate ratings for the specific loads they are protecting.