9/17/2023 0 Comments Ug 2150 driversIntegrated onto the ADuM4146 is a desaturation detection circuit that provides protection against high voltage short-circuit SiC operation. Control of resetting the device after a fault on the secondary side is performed on the primary side of the device. Information on the status of the chip can be read back from dedicated outputs. The Analog Devices chip scale transformers also provide isolated communication of control information between the high voltage and low voltage domains of the chip. Operation with unipolar or bipolar secondary supplies is possible with or without the Miller clamp operation. The ADuM4146 includes a Miller clamp to provide robust SiC turn off with a single-rail supply when the gate voltage drops to less than 2 V. Analog Devices, Inc., iCoupler ® technology provides isolation between the input signal and the output gate drive. The ADuM4146 is a single-channel gate driver specifically optimized for driving silicon carbide (SiC), metal-oxide semiconductor field effect transistors (MOSFETs).
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