An improved motor driver circuit

Details An improved motor driver circuit An improved motor driver circuit

H - Electricity

02

P

H02P 8/12 (2006.01)

Patent

CA 2351201

An improved motor driver circuit comprises a firmware adapted to provide digital control signals, a digital-to-analog converter coupled to said firmware to receive the digital control signals for generating a reference voltage at an output, a compare circuit having a first input coupled to the output of said digital-to-analog converter, a second input coupled to a sense circuit for receiving a sense voltage and an output, and a switch circuit coupled in series to said sense circuit wherein said compare circuit compares the reference voltage and the sense to generate a compare voltage at the output to be fed into said switch circuit for directing the switch circuit to conduct or not to conduct a drive current flowing through said switch circuit and said sense circuit.

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