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Power Integrations SIC1181KQ and SIC1182KQ SCALE-iDriver™ Gate Drivers are high-efficiency, single-channel gate drivers optimized for Silicon Carbide (SiC) MOSFETs and certified to AEC-Q100 for automotive use. Power Integrations SIC1181KQ and SIC1182KQ exhibit rail-to-rail output, fast gate switching speed, unipolar supply voltage supporting positive and negative output voltages, integrated power and voltage management, and reinforced isolation provided by solid insulator FluxLink™ technology.
The SIC1181KQ and SIC1182KQ include critical safety features such as Drain to Source Voltage (VDS) monitoring, SENSE readout, primary and secondary Undervoltage Lock-out (UVLO), current-limited gate drive, and Advanced Active Clamping (AAC) which facilitates safe operation and soft turn-off-under fault conditions.
AAC in combination with VDS monitoring ensures safe turn-off in less than 2µs during short-circuit conditions. Gate-drive control and AAC features allow gate resistance to be minimized; this reduces switching losses, maximizing inverter efficiency.
By pairing the SCALE-iDriver control and safety features with its high-speed FluxLink communication technology, these devices provide high isolation capability and enable safe, cost-effective designs for inverters up to 300kW, with very few external components.
