Highly robust gate drivers ensure system safety
Power Integrations has announced the launch of its automotive-qualified SID1181KQ SCALE-iDriver gate driver for 750V-rated IGBTs. The new part expands the company’s range of auto-qualified driver ICs, following the introduction of the 1,200V SID1182KQ driver IC. Compact, efficient and highly robust, the new driver IC uses Power Integrations’ high speed FluxLink communications technology to ensure system safety even during fault conditions.
FluxLink technology dramatically improves the reliability and isolation capability of the new AEC-Q100-qualified gate drivers, replacing optocouplers and capacitive or silicon-based inductively coupled solutions.
SCALE-iDriver devices also include critical protection features such as desaturation monitoring, primary and secondary Undervoltage Lock-Out (UVLO) and Advanced Soft Shut Down (ASSD) that protect the switch during short circuit turn-off.
Michael Hornkamp, Senior Director of Marketing for Automotive Gate-Driver Products at Power Integrations said: “The SCALE-iDriver family with FluxLink technology supports safe, cost effective designs for a wide range of IGBT drivers for electric vehicle applications including powertrain, on-board chargers and charger stations, and other high reliability drivers and inverters.”
SCALE-iDriver ICs minimise the number of external components required, eliminating tantalum and electrolytic capacitors and simplifying the isolated power supply, requiring only one transformer secondary winding. A simple two-layer PCB can be used, further increasing design simplicity and easing supply-chain management.
Power Integrations’ AEC-Q100-qualified SCALE-iDriver SID1181KQ gate drivers are available now, priced at $4.81 in 10,000-piece quantities.
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