Patent ID: 11870346
Assignee: HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 9:
10. The DC-DC converter according to claim 1, wherein the buffering unit comprises at least one of the following:
a first buffer resistor;
a third IGBT and a diode that is anti-parallel coupled to the third IGBT, and a fourth IGBT and a diode that is anti-parallel coupled to the fourth IGBT, wherein the third IGBT and the fourth IGBT are coupled in opposite direction;
a third MOSFET and a body diode of the third MOSFET, and a fourth MOSFET and a body diode of the fourth MOSFET, wherein the third MOSFET and the fourth MOSFET are coupled in opposite direction; or
a second buffer resistor, a third buffer resistor, and a fifth switch device, wherein the second buffer resistor and the third buffer resistor are coupled in series, and the fifth switch device and the third buffer resistor are coupled in parallel.