H-bridge motor driver mosfet

Figure 6 MOSFET H-Bridge motor control clockwise rotation. When a HIGH turns on opto-coupler OC1, Q1 is turned off while Q3 is turned on. This creates a current path for the motor through Q2 and Q3. Using p-channel mosfet on high side of h-bridge, do I really need a driver chip?Helpful? Using p-channel mosfet on high side of h-bridge, do I really . H-bridge Circuit containing 4 switching elements + 4 catch diodes Switching elements are usually bipolar transistors or MOSFETs Catch diodes are used to prevent short circuiting Path of current controlled by switches www.doorway.ru /h-bridge-secrets/h-bridges-the-basics/

H-bridge Circuit containing 4 switching elements + 4 catch diodes Switching elements are usually bipolar transistors or MOSFETs Catch diodes are used to prevent short circuiting Path of current controlled by switches www.doorway.ru /h-bridge-secrets/h-bridges-the-basics/ The drive uses the full two half-bridge driver chip + low resistance N-channel MOSFET components. Completer two half-bridge driver chip reliable drive mode, the MOSFET switching losses to a minimum. Improve power utilization. MOSFET driver chip comes with hardware brake function and power feedback. H-Bridge is the circuit’s functioning component, which controls the motor. The pulldown resistor usually pulls the MOSFET gates down low. This triggers each of the P-channel MOSFETs to turn on, but this is not a concern because no current will run.

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