Allegro mosfet driver complies with Asil B

Allegro Microsystems AMT49105 ISO 26262 compliant n-channel power mosfet driver

Allegro Microsystems has announced an ISO 26262 compliant n-channel power mosfet driver.

The AMT49105 is said to simplify motor systems designs and provide footprint reduction by integrating power analogue requirements.

Thanks to a robust output gate drive, this device can be used in a wide range of applications, including power applications above 1kW. Additionally, it provides the Lin transceiver, regulated microprocessor supply, phase monitors for sensorless BLDC control and other features that reduce overall power consumption. 

The device suits high-power inductive safety automotive and industrial applications, such as engine cooling fans, braking and multiple pump applications where supplies range from 5.5 to 50V. Diagnostics monitor and indicate system faults, internal faults and power bridge faults to assure safe systems operation.

Designed to the ISO 26262 standard, it is compliant with an Asil B level.

"We're excited to add this Asil-certified device to our portfolio of over 30 other devices compliant with ISO 26262," said Vijay Mangtani, vice president of Allegro's power IC business unit. "We're committed to moving technology and the world towards a safer future."

The device is supplied in a 48-lead QFN package with exposed thermal pad reducing the footprint by approximately 40% compared with an equivalent QFP. This package is lead (Pb) free with 100% matt-tin lead-frame plating.

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