SCALE-iDriver ICs win AEC-Q100 certification for automotive use

Two members of Power Integrations’ SCALE-iDriver gate-driver IC family are now certified to AEC-Q100 Grade Level 1 for automotive use.

The two parts, SID1132KQ and SID1182KQ, are suitable for driving 650V, 750V and 1200V automotive IGBT and SiC-MOSFET modules, and are rated for peak currents of +/-2.5A and +/-8A respectively. The SID1182KQ has a high output current and is capable of driving a 600A /1200V and 820A /750V switch.

The SCALE-iDriver family of single-channel IGBT and SiC-MOSFET driver ICs features Power Integrations’ FluxLink magneto-inductive bi-directional communication technology which is said by the company to ensure reinforced galvanic isolation between the primary and secondary sides, setting a new standard in isolation integrity and stability.

FluxLink technology eliminates the need for opto-electronics, which can suffer parametric changes with age and relentless thermal degradation that limits operational lifetime.

Use of magnetically coupled conductors locked into a homogenous thermoset, high quality insulation boosts operational stability and longevity. The devices use Power Integrations’ compact, robust eSOP package, which offers a CTI level of 600, 9.5mm creepage and clearance distance, and, according to FluxLink, can easily meets automotive 5500m requirements.

“Automotive manufacturers require safe, smart and highly integrated solutions for EV and HEV applications including the main inverter, brake chopper, DC-DC battery converter and AC-DC onboard battery-charger designs,” said

Michael Hornkamp, senior director of marketing for gate-driver products at Power Integrations. “Our magnetic coupling technology permits data transfer with galvanic isolation and includes a minimum internal 0.4 mm separation through high quality insulation between the low- and high-voltage sides. SCALE-iDriver automotive ICs achieve a new level of driver reliability and isolation safety.”

SCALE-iDriver devices minimise the number of external components required, simplifying the BOM and permitting two-layer PCB layouts, which reduces interference and helps increase the reliability of the whole system.

The automotive DC-DC converter for the secondary-side supply voltage requires a unipolar voltage by the SCALE-iDriver IC. Built-in voltage and power management circuitry handles the necessary regulation of positive and negative gate-drive voltages.

The IC features a full range of safety features including advanced soft shut down for short-circuit turn-off and under-voltage protection.

SCALE-iDriver ICs are available now, priced at $4.12 in 10,000 quantities.

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