Patent ID: 11955878
Assignee: HITACHI POWER SEMICONDUCTOR DEVICE, LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 8:
9. The upper arm drive circuit according to claim 8 further comprising:
a level shift circuit for set signal transmission for outputting a set signal;
a level shift circuit for reset signal transmission for outputting a reset signal; and
an RS flip-flop that keeps the upper arm switching element ON by holding a set signal from the level shift circuit for set signal transmission and keeps the upper arm switching element OFF by holding a reset signal from the level shift circuit for reset signal transmission,
wherein the level shift circuit for set signal transmission is connected to the first upper arm drive circuit reference potential wiring, and
the level shift circuit for reset signal transmission is connected to the second upper arm drive circuit reference potential wiring.