公开(公告)号：US10523144B1

公开(公告)日：2019-12-31

申请号：US16009534

申请日：2018-06-15

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Kristen N. Mogensen

IPC: H02P6/21

Abstract: One example is a system for controlling a motor during startup. The system includes measurement logic, pattern detection logic, and mode logic. The measurement logic monitors a back-electromotive force (BEMF) signal representing a BEMF of an electric motor and the pattern detection logic monitors this signal to detect instances of the monitored BEMF signal exhibiting a predetermined pattern. The mode logic enables control of the electric motor according to a plurality of modes of control. In some examples, the mode logic initially employs a first mode of control and switches from the first mode of control to a second mode of control in response to the pattern detection logic detecting that a BEMF signal exhibits the predetermined pattern over a plurality of commutation states.

公开(公告)号：US11444559B2

公开(公告)日：2022-09-13

申请号：US17148245

申请日：2021-01-13

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Kristen N. Mogensen

IPC: H02P6/21

Abstract: One example is a system for controlling a motor during startup. The system includes measurement logic, pattern detection logic, and mode logic. The measurement logic monitors a back-electromotive force (BEMF) signal representing a BEMF of an electric motor and the pattern detection logic monitors this signal to detect instances of the monitored BEMF signal exhibiting a predetermined pattern. The mode logic enables control of the electric motor according to a plurality of modes of control. In some examples, the mode logic initially employs a first mode of control and switches from the first mode of control to a second mode of control in response to the pattern detection logic detecting that a BEMF signal exhibits the predetermined pattern over a plurality of commutation states.

公开(公告)号：US11704276B2

公开(公告)日：2023-07-18

申请号：US17748302

申请日：2022-05-19

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Kristen N. Mogensen ,  Matthieu Chevrier ,  Martin Staebler

IPC: G06F13/42 ,  G06F13/12 ,  G06F13/374

CPC classification number: G06F13/4291 ,  G06F13/122 ,  G06F13/374

Abstract: A method includes receiving a chip select signal at an SPI client device. The method also includes, responsive to receiving the chip select signal, transmitting a first bit of an SPI transmission to an SPI host device, where the first bit of the SPI transmission is transmitted with a delay based at least in part on a loop propagation delay of an SPI channel. The method includes receiving a clock signal at the SPI client device. The method also includes, responsive to receiving the clock signal, transmitting a second bit of the SPI transmission to the SPI host device.

公开(公告)号：US11341081B1

公开(公告)日：2022-05-24

申请号：US17197945

申请日：2021-03-10

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Kristen N. Mogensen ,  Matthieu Chevrier ,  Martin Staebler

IPC: G06F13/42 ,  G06F13/12 ,  G06F13/374

Abstract: A method includes receiving a chip select signal at an SPI client device. The method also includes, responsive to receiving the chip select signal, transmitting a first bit of an SPI transmission to an SPI host device, where the first bit of the SPI transmission is transmitted with a delay based at least in part on a loop propagation delay of an SPI channel. The method includes receiving a clock signal at the SPI client device. The method also includes, responsive to receiving the clock signal, transmitting a second bit of the SPI transmission to the SPI host device.

公开(公告)号：US20220292048A1

公开(公告)日：2022-09-15

申请号：US17748302

申请日：2022-05-19

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Kristen N. Mogensen ,  Matthieu Chevrier ,  Martin Staebler

IPC: G06F13/42 ,  G06F13/12 ,  G06F13/374

Abstract: A method includes receiving a chip select signal at an SPI client device. The method also includes, responsive to receiving the chip select signal, transmitting a first bit of an SPI transmission to an SPI host device, where the first bit of the SPI transmission is transmitted with a delay based at least in part on a loop propagation delay of an SPI channel. The method includes receiving a clock signal at the SPI client device. The method also includes, responsive to receiving the clock signal, transmitting a second bit of the SPI transmission to the SPI host device.

公开(公告)号：US10924040B2

公开(公告)日：2021-02-16

申请号：US16704149

申请日：2019-12-05

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Kristen N. Mogensen

IPC: H02P6/21

Abstract: One example is a system for controlling a motor during startup. The system includes measurement logic, pattern detection logic, and mode logic. The measurement logic monitors a back-electromotive force (BEMF) signal representing a BEMF of an electric motor and the pattern detection logic monitors this signal to detect instances of the monitored BEMF signal exhibiting a predetermined pattern. The mode logic enables control of the electric motor according to a plurality of modes of control. In some examples, the mode logic initially employs a first mode of control and switches from the first mode of control to a second mode of control in response to the pattern detection logic detecting that a BEMF signal exhibits the predetermined pattern over a plurality of commutation states.