公开(公告)号：US20230100060A1

公开(公告)日：2023-03-30

申请号：US17489233

申请日：2021-09-29

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Shyamsunder BALASUBRAMANIAN ,  Kuangyu CHIANG ,  Toshio YAMANAKA ,  Luis Eduardo Ossa

IPC: H02M3/07 ,  H03K17/06 ,  H02M1/32 ,  H02M1/08

Abstract: A device includes a charge pump configured to provide a current to a bootstrap capacitor responsive to a charge pump switch being closed. The device also includes a current limiter coupled in series between the charge pump switch and the charge pump. The current limiter is configured to receive a control signal from a controller that indicates whether the device is to operate in a first mode or in a second mode; responsive to the control signal indicating the first mode, allow a first value of current to the charge pump switch; and, responsive to the control signal indicating the second mode, limit the current to the charge pump switch to a second value. The second value is less than the first value.

公开(公告)号：US20230010450A1

公开(公告)日：2023-01-12

申请号：US17368360

申请日：2021-07-06

Applicant: Texas Instruments Incorporated

Inventor： Shyamsunder Balasubramanian ,  Michael Edwin Butenhoff ,  Toshio Yamanaka ,  Luis Eduardo Ossa

IPC: H02M1/32 ,  H02M1/08

Abstract: An example apparatus includes a level shifter having a first supply input, a gate driver having a second supply input coupled to the first supply input and adapted to be coupled to a cathode of a diode, the gate driver having an output adapted to be coupled to a control terminal of a switch, and a current source circuit having an input and an output, the input adapted to be coupled to a power supply and the output adapted to be coupled to the first supply input, the second supply input and to a capacitor.

公开(公告)号：US11888391B2

公开(公告)日：2024-01-30

申请号：US17489233

申请日：2021-09-29

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Shyamsunder Balasubramanian ,  Kuangyu Chiang ,  Toshio Yamanaka ,  Luis Eduardo Ossa

IPC: H02M1/08 ,  H02M3/07 ,  H03K17/06 ,  H02M1/32

CPC classification number: H02M3/07 ,  H02M1/08 ,  H02M1/32 ,  H03K17/063 ,  H03K2217/0081

Abstract: A device includes a charge pump configured to provide a current to a bootstrap capacitor responsive to a charge pump switch being closed. The device also includes a current limiter coupled in series between the charge pump switch and the charge pump. The current limiter is configured to receive a control signal from a controller that indicates whether the device is to operate in a first mode or in a second mode; responsive to the control signal indicating the first mode, allow a first value of current to the charge pump switch; and, responsive to the control signal indicating the second mode, limit the current to the charge pump switch to a second value. The second value is less than the first value.

公开(公告)号：US11764664B2

公开(公告)日：2023-09-19

申请号：US17368360

申请日：2021-07-06

Applicant: Texas Instruments Incorporated

Inventor： Shyamsunder Balasubramanian ,  Michael Edwin Butenhoff ,  Toshio Yamanaka ,  Luis Eduardo Ossa

IPC: F02N11/04 ,  H02M1/32 ,  H02M1/08

CPC classification number: H02M1/322 ,  H02M1/08 ,  F02N11/04

Abstract: An example apparatus includes a level shifter having a first supply input, a gate driver having a second supply input coupled to the first supply input and adapted to be coupled to a cathode of a diode, the gate driver having an output adapted to be coupled to a control terminal of a switch, and a current source circuit having an input and an output, the input adapted to be coupled to a power supply and the output adapted to be coupled to the first supply input, the second supply input and to a capacitor.

公开(公告)号：US11556492B1

公开(公告)日：2023-01-17

申请号：US17363106

申请日：2021-06-30

Applicant: Texas Instruments Incorporated

Inventor： Ganapathi Hegde ,  Krushal Shah ,  Mayank Garg ,  Luis Eduardo Ossa ,  Vashist Bist

IPC: G06F13/42

Abstract: A synchronous serial bus peripheral circuit includes a peripheral identification (ID) register and a state machine circuit. The state machine circuit is coupled to the peripheral ID register, and is configured to transmit a status value based on a peripheral ID field of data received via the receiver shift register equaling a value stored in the peripheral ID register.

公开(公告)号：US20200328715A1

公开(公告)日：2020-10-15

申请号：US16843962

申请日：2020-04-09

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Luis Eduardo Ossa ,  Krushal Shah ,  Mayank Garg ,  Hao Wang ,  Haozhi Liu

IPC: H02P27/08 ,  H02P1/26 ,  H02P25/03

Abstract: A system for driving one or more motors includes: a controller having an instruction output; one or more motor drivers, each of the motor drivers are coupled to the instruction output of the controller and each of the motor drivers having a unique address; and wherein each motor driver is only operable to receive instruction from the controller when its unique address is provided by the controller at the instruction output.