Motor controller having a multifunction port

Details Motor controller having a multifunction port Motor controller having a multifunction port

2007-08-08

2010-06-29

Ip, Paul (Department: 2837)

Electricity: motor control systems

Closed loop speed control system for dc motor with commutator

Armature control by digital or combined analog and digital...

C318S400090, C318S400110, C318S400290

Reexamination Certificate

active

07747146

ABSTRACT:
In one aspect, a control circuit to control a speed of a motor includes a control logic circuit connected to a multifunction port. The control logic circuit is configured to receive a control signal provided at the multifunction port and to provide response signals based on the control signal to place the motor in at least two of a sleep mode, a brake mode and a pulse-width modulation (PWM) mode. The motor control circuit also includes an H-bridge circuit configured to control the motor based on the response signals.

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