SOLID STATE SWITCH Russian patent published in 2022 - IPC H02H3/87 

FIELD: electronic engineering.

SUBSTANCE: invention relates to electronic engineering and can be used for switching DC power electric circuits, load control, protection of power sources and circuits from overloads and short circuits. The solid-state switch contains a key assembly, a current sensor, a transformer and an analog-to-digital converter, as well as a voltage converter, a key driver unit, a comparator, a digital-to-analog converter (DAC), a read-only memory (ROM), a microprocessor system, two amplifiers, PWM signal generator, serial interface controller, thermal sensor, interface driver, voltage limiting node, and the device structure is reduced to one switching channel.

EFFECT: invention provides high performance, extended functionality of the parameters defining the algorithm of operation, the possibility of self-diagnostics, increased reliability and noise immunity.

1 cl, 1 dwg