Invention Grant
- Patent Title: Determining a position of a motor using an on-chip component
- Patent Title (中): 使用片上组件确定电机的位置
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Application No.: US12552963Application Date: 2009-09-02
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Publication No.: US08749183B2Publication Date: 2014-06-10
- Inventor: Frederic Bonvin , Agostino Mirabelli , Maurizio Nessi
- Applicant: Frederic Bonvin , Agostino Mirabelli , Maurizio Nessi
- Applicant Address: US TX Coppell IT Agrate Brianza (MB)
- Assignee: STMicroelectronics, Inc.,STMicroelectronics S.r.l.
- Current Assignee: STMicroelectronics, Inc.,STMicroelectronics S.r.l.
- Current Assignee Address: US TX Coppell IT Agrate Brianza (MB)
- Agency: Graybeal Jackson LLP
- Main IPC: H02P6/16
- IPC: H02P6/16 ; H02P6/18

Abstract:
An embodiment of a motor controller includes first and second supply nodes, a motor-coil node, an isolator, a motor driver, and a motor position signal generator. The isolator is coupled between the first and second supply nodes, and the motor driver is coupled to the second supply node and to the motor-coil node. The motor position signal generator is coupled to the isolator and is operable to generate, in response to the isolator, a motor-position signal that is related to a position of a motor having at least one coil coupled to the motor-coil node. By generating the motor-position signal in response to the isolator, the motor controller or another circuit may determine the at-rest or low-speed position of a motor without using an external coil-current-sense circuit.
Public/Granted literature
- US20100052587A1 DETERMINING A POSITION OF A MOTOR USING AN ON-CHIP COMPONENT Public/Granted day:2010-03-04
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