Patent · US Active

Power switch control by supply voltage terminal

US10224919B2 · kind B2 · utility

0Cited by

2References

20Claims

0Family size

Assignee

Infineon Technologies AG · DE

Inventors

Michael Asam · Aichach, DE
Carmelo Giunta · Munich, DE

Key dates

Filing date	Feb 6, 2017
Grant date	Mar 5, 2019
Priority date	—
Expiry date	Feb 6, 2037

Classification

Technology area (CPC H)Electricity
CPC primaryH03K2217/0027
WIPO fieldBasic communication processes
WIPO sectorElectrical engineering

Abstract

A power switch device includes a switch which is configured to switch a load signal between an on state and an off state. A first terminal and a second terminal of the power switch device are configured to provide a supply voltage to the power switch device. The second terminal is further configured to provide a control signal to the power switch device. The control signal is generated by disconnecting the second terminal from an external voltage source. A storage circuit of the power switch device is configured to capacitively store a status of the supply voltage. A control circuit of the power switch device is configured to control operation of the power switch device depending on the stored status of the supply voltage.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.