Patent ID: 9419508
Filing Date: 2016-08-16
CPC Classification: H02M,H03K

Claim Text:
1. A driving apparatus for driving switching elements of a power conversion circuit, the power conversion circuit having a series connection of an upper-arm switching element and a lower-arm switching element, the series connection being electrically connected in parallel with a direct-current (DC) power source, the apparatus comprising: an upper-arm drive control unit configured to turn on or off the upper-arm switching element by charging or discharging the charge on a switching control terminal of the upper-arm switching element, the upper-arm drive control unit being configured to set a dead time for preventing both of the upper-arm switching element and the lower-arm switching element from being ON, the dead time taking a positive value; and a lower-arm drive control unit configured to turn on or off the lower-arm switching element by charging or discharging the charge on a switching control terminal of the lower-arm switching element, the lower-arm drive control unit being configured to set the dead time for preventing both of the upper-arm switching element and the lower-arm switching element from being ON, wherein the upper-arm drive control unit comprises: the lower-arm drive control unit comprises: