The motor control circuit for forward/reverse rotation in accordance with claim 1, wherein the switching circuit includes a contact, a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor and a seventh resistor, the sixth resistor is located between the contact and the first transistor, the second resistor is connected with the first transistor and the second transistor, the third resistor is connected with the first transistor and the third transistor, the fourth resistor is connected with the first transistor and the fourth transistor, the fifth resistor is connected with the first transistor and the fifth transistor, and the seventh resistor is connected with the first transistor.ħ. The motor control circuit for forward/reverse rotation in accordance with claim 4, wherein the first diode is connected with the driving source and the driving IC.Ħ. The motor control circuit for forward/reverse rotation in accordance with claim 1, wherein the driving circuit further includes a first diode, a first resistor, a first capacitor, a second capacitor and a third capacitor, the first diode is connected with the first resistor and the first capacitor, the second capacitor and the third capacitor are connected with the driving IC.ĥ. The motor control circuit for forward/reverse rotation in accordance with claim 1, wherein the Hall IC is a three-pin IC or four-pin IC.Ĥ. The motor control circuit for forward/reverse rotation in accordance with claim 1, wherein the driving source is a DC voltage source.ģ. A motor control circuit for forward/reverse rotation comprising: a driving circuit including a driving source, a Hall IC and a driving IC, wherein the driving source provides a signal to enable the Hall IC to output a control signal to the driving IC a switching circuit located between the Hall IC and the driving IC, wherein the switching circuit is utilized to change the transmitting direction of the control signal, the driving IC generates a driving signal according to the transmitting direction of the control signal and a motor coil winding for receiving the driving signal and deciding motor rotating direction according to the driving signal.Ģ. Inverter circuit for converting DC power to pulse wave powerĭrive circuit for an alternate phase brushless DC motorġ. Pulse-width modulation speed controllable DC brushless cooling fan
Motor drive circuit and motor drive system using the circuit thereof Motor driving circuit with filter condensersĮlectric means for driving single-coil motor AC fan motor driving circuit having detecting current wave capabilityĭirect current motor drive circuit and fan motor including the same
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