公开(公告)号：US10084439B2

公开(公告)日：2018-09-25

申请号：US15375964

申请日：2016-12-12

Applicant: ABB Technology Oy

Inventor： Teemu Salmia ,  Jukka-Pekka Kittilä ,  Tero Herrala ,  Mikko Taulanne

IPC: H03B1/00 ,  H03K17/04 ,  H03K17/06 ,  H03K17/14

CPC classification number: H03K17/0406 ,  H03K17/06 ,  H03K17/14 ,  H03K17/163 ,  H03K17/168

Abstract: A gate driver circuit and a method of operating a gate driver circuit. The gate driver circuit comprising a high auxiliary voltage rail and a low auxiliary voltage rail for receiving high auxiliary voltage and low auxiliary voltage, output stage connected to the auxiliary voltage rails and comprising a control input and an output terminal for providing an output voltage of the gate driver, plurality of series connections of controllable switches and resistive components, wherein a first part of the plurality of series connections is connected between the high auxiliary voltage rail and control input of the output stage, and a second part of the plurality of series connections is connected between the low auxiliary voltage rail and control input of the output stage, and a control circuit for controlling the controllable switches for providing a control voltage and a control current to the control input of the output stage.

公开(公告)号：US20170170817A1

公开(公告)日：2017-06-15

申请号：US15375964

申请日：2016-12-12

Applicant: ABB Technology Oy

Inventor： Teemu Salmia ,  Jukka-Pekka Kittilä ,  Tero Herrala ,  Mikko Taulanne

IPC: H03K17/04 ,  H03K17/14 ,  H03K17/06

CPC classification number: H03K17/0406 ,  H03K17/06 ,  H03K17/14 ,  H03K17/163 ,  H03K17/168

Abstract: A gate driver circuit and a method of operating a gate driver circuit. The gate driver circuit comprising a high auxiliary voltage rail and a low auxiliary voltage rail for receiving high auxiliary voltage and low auxiliary voltage, output stage connected to the auxiliary voltage rails and comprising a control input and an output terminal for providing an output voltage of the gate driver, plurality of series connections of controllable switches and resistive components, wherein a first part of the plurality of series connections is connected between the high auxiliary voltage rail and control input of the output stage, and a second part of the plurality of series connections is connected between the low auxiliary voltage rail and control input of the output stage, and a control circuit for controlling the controllable switches for providing a control voltage and a control current to the control input of the output stage.