Isolated dual-drive output driver can toggle between two slew rates

September 16, 2019 //By Julien Happich
output driver
Analog Devices’s ADuM4122 is an isolated, dual-drive strength output driver that can control how fast or slow a MOSFET or IGBT turns on or off by user command, on the fly, thereby controlling motor currents.

The device efficiently toggles between two slew rates controlled by a digital signal. Smaller than existing discrete or complex integrated solutions that have 20 or more pins, the ADuM4122 features only eight pins in a wide-body chip and works in a variety of operating conditions. It delivers 2A output current per output pin, with voltage ranges of 3.3 to 6.5V (V DD1) and 4.5 to 35V (V DD2).

Analog Devices -

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