H03K17/735

SEMICONDUCTOR POWER DEVICE AND SWITCHING POWER SUPPLY APPARATUS
20220302818 · 2022-09-22 ·

A current control element includes a control electrode, a first electrode, and a second electrode, is an element in which a current flowing from the second electrode to the first electrode is controlled by a voltage or a current between the control electrode and the first electrode, and does not include a built-in PN body diode between the first electrode and the second electrode, a rectifying element can be a Schottky barrier diode, a charge amount of the rectifying element at a time of reverse bias is smaller than an output charge amount of the current control element, an anode of the rectifying element and a cathode of the rectifying element are electrically connected to the auxiliary terminal and the second electrode, respectively, and the control electrode, the first electrode, and the second electrode are electrically connected to the control terminal, the first terminal, and the second terminal, respectively.

Power switch control
10790819 · 2020-09-29 · ·

Systems, methods, techniques and apparatuses of power switch control are disclosed. One exemplary embodiment is a power switch comprising a thyristor-based branch including a thyristor device; a FET-based branch coupled in parallel with the thyristor-based branch and including a FET device; and a controller. The controller is structured to turn on the FET device, turn on the thyristor device after turning on the FET device based on a thyristor voltage threshold, and update the thyristor voltage threshold based on a voltage measurement corresponding to the thyristor-based branch measured while the thyristor device is turned on.

Power switch control
10790819 · 2020-09-29 · ·

Systems, methods, techniques and apparatuses of power switch control are disclosed. One exemplary embodiment is a power switch comprising a thyristor-based branch including a thyristor device; a FET-based branch coupled in parallel with the thyristor-based branch and including a FET device; and a controller. The controller is structured to turn on the FET device, turn on the thyristor device after turning on the FET device based on a thyristor voltage threshold, and update the thyristor voltage threshold based on a voltage measurement corresponding to the thyristor-based branch measured while the thyristor device is turned on.

Submodule and electrical arrangement having submodules

An electrical configuration contains at least one submodule which has a first and a second outer electrical terminal. The configuration further has a bypass switching device, which is electrically connected between the first and second terminals and in the on-state causes an electrical short-circuit in at least one current flow direction between the two outer terminals. The bypass switching device has a thyristor with an anode terminal, a cathode terminal and a trigger terminal and is connected by its anode terminal to one of the two outer terminals and by its cathode terminal to the other of the two outer terminals. A triggering device is connected to the trigger terminal of the thyristor for triggering the thyristor, and a switch is provided which in the on-state connects the anode terminal of the thyristor to the trigger terminal of the thyristor.

Submodule and electrical arrangement having submodules

An electrical configuration contains at least one submodule which has a first and a second outer electrical terminal. The configuration further has a bypass switching device, which is electrically connected between the first and second terminals and in the on-state causes an electrical short-circuit in at least one current flow direction between the two outer terminals. The bypass switching device has a thyristor with an anode terminal, a cathode terminal and a trigger terminal and is connected by its anode terminal to one of the two outer terminals and by its cathode terminal to the other of the two outer terminals. A triggering device is connected to the trigger terminal of the thyristor for triggering the thyristor, and a switch is provided which in the on-state connects the anode terminal of the thyristor to the trigger terminal of the thyristor.

SUBMODULE AND ELECTRICAL ARRANGEMENT HAVING SUBMODULES

An electrical configuration contains at least one submodule which has a first and a second outer electrical terminal. The configuration further has a bypass switching device, which is electrically connected between the first and second terminals and in the on-state causes an electrical short-circuit in at least one current flow direction between the two outer terminals. The bypass switching device has a thyristor with an anode terminal, a cathode terminal and a trigger terminal and is connected by its anode terminal to one of the two outer terminals and by its cathode terminal to the other of the two outer terminals. A triggering device is connected to the trigger terminal of the thyristor for triggering the thyristor, and a switch is provided which in the on-state connects the anode terminal of the thyristor to the trigger terminal of the thyristor.

SUBMODULE AND ELECTRICAL ARRANGEMENT HAVING SUBMODULES

An electrical configuration contains at least one submodule which has a first and a second outer electrical terminal. The configuration further has a bypass switching device, which is electrically connected between the first and second terminals and in the on-state causes an electrical short-circuit in at least one current flow direction between the two outer terminals. The bypass switching device has a thyristor with an anode terminal, a cathode terminal and a trigger terminal and is connected by its anode terminal to one of the two outer terminals and by its cathode terminal to the other of the two outer terminals. A triggering device is connected to the trigger terminal of the thyristor for triggering the thyristor, and a switch is provided which in the on-state connects the anode terminal of the thyristor to the trigger terminal of the thyristor.

Bidirectional power switch with improved switching performance

A bidirectional power switch includes first and second thyristors connected in antiparallel between first and second conduction terminals of the switch. The first thyristor is of an anode-gate thyristor, and the second thyristor is of a cathode-gate thyristor. The gates of the first and second thyristors are coupled to a same control terminal of the switch by respective dipole circuits. At least one of the dipole circuits is formed by at least one diode or at least one resistor.

Bidirectional power switch with improved switching performance

A bidirectional power switch includes first and second thyristors connected in antiparallel between first and second conduction terminals of the switch. The first thyristor is of an anode-gate thyristor, and the second thyristor is of a cathode-gate thyristor. The gates of the first and second thyristors are coupled to a same control terminal of the switch by respective dipole circuits. At least one of the dipole circuits is formed by at least one diode or at least one resistor.

Electrical apparatus

The disclosure provides an electrical apparatus, including a substrate, a plurality of gate driver units and a plurality of gate lines. The gate driver units are disposed on the substrate. The gate lines are disposed on the substrate. Each of the gate lines is respectively electrically connected to the corresponding gate driver unit. Each of the gate lines is configured to transmit a respective gate signal. The gate lines include a first gate line and a second gate line. The first gate line and the second gate line are configured to transmit the respective gate signals at a same time.