Driver IC circuit of intelligent power module, intelligent power module, and air conditioner

A driver IC circuit of an intelligent power module, comprising:

• an upper bridge control signal input end, a lower bridge control signal input end, a PFC control signal input end, a logic input buffer circuit, a first upper bridge driver circuit, a second upper bridge driver circuit, a first lower bridge driver circuit, a second lower bridge driver circuit, and a PFC driver circuit;
• wherein:
• the logic input buffer circuit is configured to perform full-wave filtering process on control signals input by the upper bridge control signal input end, the lower bridge control signal input end, and the PFC control signal input end and to output processed control signals to the first upper bridge driver circuit, the second upper bridge driver circuit, the first lower bridge driver circuit, the second lower bridge driver circuit, and the PFC driver circuit respectively;
• the first upper bridge driver circuit is configured to drive an upper bridge-arm switch transistor corresponding to a first external motor according to one of the control signals output by the logic input buffer circuit;
• the first lower bridge driver circuit is configured to drive a lower bridge-arm switch transistor corresponding to the first external motor according to one of the control signals output by the logic input buffer circuit;
• the second upper bridge driver circuit is configured to drive an upper bridge-arm switch transistor corresponding to a second external motor according to one of the control signals output by the logic input buffer circuit;
• the second lower bridge driver circuit is configured to drive a lower bridge-arm switch transistor corresponding to the second external motor according to one of the control signals output by the logic input buffer circuit;
• and
• the PFC driver circuit is configured to drive an external PFC switch transistor according to one of the control signals output by the logic input buffer circuit.