VALIDATION OF CURRENT LEVELS DELIVERED BY A GATE DRIVER

    公开(公告)号:US20220182052A1

    公开(公告)日:2022-06-09

    申请号:US17197985

    申请日:2021-03-10

    IPC分类号: H03K17/567

    摘要: A method for validating operation of a driver integrated circuit includes providing a signal using an output node. The signal is provided using multiple set points in response to a change in state of an input signal. Each set point corresponds to a different phase of a multi-phase transition of the signal. The method includes providing a timer value at an end of a phase of the multi-phase transition and determining whether the signal is in a target signal range of the phase based on the timer value at the end of the phase, a predetermined value defining the target signal range of the phase, and a predetermined time limit for the phase. A current through the output node may be provided using the multiple set points, and a voltage on the output node may have the multi-phase transition.

    VARIABLE CURRENT DRIVE FOR ISOLATED GATE DRIVERS

    公开(公告)号:US20220182041A1

    公开(公告)日:2022-06-09

    申请号:US17138091

    申请日:2020-12-30

    IPC分类号: H03K3/012 H02P27/08

    摘要: A method for driving a high-power drive device includes providing a signal having a first predetermined signal level to an output node during a first phase of a multi-phase transition process. The method includes generating a first indication of a first parameter associated with the signal provided to the output node. The method includes generating a second indication of a second parameter associated with the signal provided to the output node. The method includes providing the signal having a second predetermined signal level to the output node during a second phase of the multi-phase transition process. The method includes transitioning from the first phase to the second phase based on the first indication and the second indication. A multi-die, distributed package technique addresses power dissipation requirements for a driver product based on size and associated power dissipation needs of the high-power drive device in a target application.

    VALIDATION OF CURRENT LEVELS DELIVERED BY A GATE DRIVER

    公开(公告)号:US20240186988A1

    公开(公告)日:2024-06-06

    申请号:US18374942

    申请日:2023-09-29

    摘要: A method for validating operation of a driver integrated circuit includes providing a signal using an output node. The signal is provided using multiple set points in response to a change in state of an input signal. Each set point corresponds to a different phase of a multi-phase transition of the signal. The method includes providing a timer value at an end of a phase of the multi-phase transition and determining whether the signal is in a target signal range of the phase based on the timer value at the end of the phase, a predetermined value defining the target signal range of the phase, and a predetermined time limit for the phase. A current through the output node may be provided using the multiple set points, and a voltage on the output node may have the multi-phase transition.

    Validation of current levels delivered by a gate driver

    公开(公告)号:US11539350B2

    公开(公告)日:2022-12-27

    申请号:US17197985

    申请日:2021-03-10

    摘要: A method for validating operation of a driver integrated circuit includes providing a signal using an output node. The signal is provided using multiple set points in response to a change in state of an input signal. Each set point corresponds to a different phase of a multi-phase transition of the signal. The method includes providing a timer value at an end of a phase of the multi-phase transition and determining whether the signal is in a target signal range of the phase based on the timer value at the end of the phase, a predetermined value defining the target signal range of the phase, and a predetermined time limit for the phase. A current through the output node may be provided using the multiple set points, and a voltage on the output node may have the multi-phase transition.

    Variable current drive for isolated gate drivers

    公开(公告)号:US11362646B1

    公开(公告)日:2022-06-14

    申请号:US17138091

    申请日:2020-12-30

    摘要: A method for driving a high-power drive device includes providing a signal having a first predetermined signal level to an output node during a first phase of a multi-phase transition process. The method includes generating a first indication of a first parameter associated with the signal provided to the output node. The method includes generating a second indication of a second parameter associated with the signal provided to the output node. The method includes providing the signal having a second predetermined signal level to the output node during a second phase of the multi-phase transition process. The method includes transitioning from the first phase to the second phase based on the first indication and the second indication. A multi-die, distributed package technique addresses power dissipation requirements for a driver product based on size and associated power dissipation needs of the high-power drive device in a target application.

    UPDATING CONTROL PARAMETERS OF A GATE DRIVER DURING OPERATION

    公开(公告)号:US20220182004A1

    公开(公告)日:2022-06-09

    申请号:US17219321

    申请日:2021-03-31

    IPC分类号: H02P27/08 H03K17/14 H02P3/18

    摘要: A gate driver includes a variable strength driver circuit that provides an output signal to drive a high power device. The gate driver receives an update request from a host controller during an operating mode in which switching operations occur and updates one or more operating parameters associated with driving the high power device. The operating parameters including turn-on parameters, turn-off parameters, and soft shutdown parameters. The variable strength driver circuit uses the turn-on parameters for turn-on phases for the output signal, uses the turn-off parameters for turn-off phases for the output signal, and uses the soft shutdown parameters for soft shutdown phases for the output signal. The update request adjusts current, voltage, and/or time for one or more phases of the turn-on, turn-off and/or soft shutdown parameters.