Patent · US Active

System and method for a switch driver

US9559613B2 · kind B2 · utility

2Cited by

1References

20Claims

0Family size

Assignee

Infineon Technologies AG · DE

Inventors

Jens Ejury · Fremont, US
Giuseppe Bernacchia · Noventa Padovana, IT
Henrik Hassander · Bad Orb, DE

Key dates

Filing date	Aug 26, 2014
Grant date	Jan 31, 2017
Priority date	—
Expiry date	Jan 9, 2035

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02B70/10
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

In accordance with an embodiment, switch driver includes a first switch driver configured to be coupled to a control node of a first switch, a second driver configured to be coupled to a control node of a second switch, and a first terminal and a second terminal configured to be couple to a boot capacitor. The first terminal is coupled between a boot input of the first switch driver and the second terminal is configured to be coupled to outputs of the first switch and the second switch. The switch driver further includes a voltage measurement circuit coupled to the first terminal and the second terminal, and a control circuit configured to activate the second switch driver when the voltage measurement circuit indicates that a voltage across boot capacitor is below a first threshold.

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