Analogue, Mixed Signal, LSI


Isolated gate drivers

5 October 2016 Analogue, Mixed Signal, LSI

Silicon Labs has expanded its ISOdriver portfolio with a family of isolated gate drivers designed to protect sensitive IGBT switches in power inverter and motor drive applications. The new Si828x family provides industrial-grade isolation (5 kVrms withstand) and can operate over a full industrial temperature range. The defining feature is a 4 A gate driver coupled with desaturation detection to monitor the IGBT for over-current. In that event, the driver initiates a controlled shutdown of the switch while updating the controller with the fault status, protecting the IGBT and the system. Additional integrated features include split outputs, a Miller clamp to prevent parasitic gate turn-on, and driver power state and fault feedback to the controller.

NuVision Electronics, +27 (0)11 608 0144, [email protected], www.nuvisionelec.co.za



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