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US 2024/0348188 A1Published application
Control circuit of a triac or a thyristor
AssigneeSTMicroelectronics International N.V.
InventorsLaurent GONTHIER, Minjie LI
Life of this patent
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Abstract
The present disclosure relates to a control circuit of a triac or thyristor having its driving reference terminal connected to a first reference node and coupled to a voltage rectifier comprising at least a semiconductor device connected between the first reference node and a second reference node of the control circuit comprising: a first bipolar transistor; and a driving circuit of the first transistor referenced to the second reference node.
Claims15
A circuit comprising:
- a voltage rectifier assembly;
- at least a triac or a thyristor having its driving reference terminal connected to a first reference node and coupled in series with one of a semiconductor device of the voltage rectifier assembly comprising at least the semiconductor device which is connected between the first reference node and a second reference node of the control circuit;
- at least one control circuit of the triac or thyristor comprising:
- a first transistor;
- and
- a driving circuit of the first transistor referenced to the second reference node.
3 more elements
A supply circuit of a motor supplying a three-phase voltage comprising the circuit of 1.
Dependencies are inferred from the claim text.