One coil motor driver with linear control
AssigneeMelexis Bulgaria Eood
InventorDirk Leman
Life of this patent
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Abstract
A motor driver for driving a single coil motor, the motor driver includes: a bridge driver configured for applying a driving signal to the single coil by commuting a motor voltage (Vmot) or a motor current (Imot), supplied to the bridge driver, between terminals (OUT1, OUT2) of the single coil; a controller configured for controlling the commuting of the bridge driver and for setting a preferred value of the motor voltage in function of a preferred operating point; a first voltage regulator configured for regulating the motor voltage or the motor current to the preferred value.
Claims15
A motor driver for driving a single coil motor, the motor driver comprising:
- a bridge driver configured for applying a driving signal to the single coil by commuting a motor voltage (Vmot), supplied to the bridge driver, between terminals (OUT1, OUT2) of the single coil,
- a controller configured for controlling the commuting of the bridge driver and for setting a preferred value of the motor voltage in function of a preferred operating point wherein the controlling is done such that no negative current is generated in the motor coil, and
- a first voltage regulator configured for regulating the motor voltage to the preferred value wherein the first voltage regulator is a linear voltage regulator.
Dependencies are inferred from the claim text.