SI8422BB-D-ISR

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Digital Isolator is an important type of isolator in the power electronic system and is widely used in industrial control, communication, measuring and transportation systems. It mainly works by isolating signals between different circuits, and isolating electrically and does not pass electrical energy between two circuits. With its unique features, digital isolator like SI8422BB-D-ISR are becoming more and more popular and widely used in various fields.

The SI8422BB-D-ISR is a digital isolator integrator. It integrated the digital isolator and comparator, which can accurately detect very low-level signals, so it can be used in wide temperature range and harsh environment with few external components. This digital isolator supports two modes of active and passive control. In active control mode, the device is driven by the bias current provided by the host, and the positive saturation voltage is used to slew the isolation channel without switching, and then the output channel is driven by the bias current. In passive control mode, a preset resistance is connected to the terminal with higher voltage level, and the other one is connected to the terminal with lower voltage level. After the current of the isolation detection is passed through the external resistors, the output channel is driven by the bias current.

In different application areas, the working principle of SI8422BB-D-ISR digital isolator is as follows. In communication field, this digital isolator can be used in USB port isolation to improve the system stability and reduce the disturbance. This isolator can detect and compare the signal values of two terminals, thus providing reliable signal transceiving for data trasmitting. In industrial field, SI8422BB-D-ISR digital isolator can be applied in motor control systems. It can accurately detect and control the start and stop of a motor. In transportation system, this isolator can be used for signal detection and signal isolation between vehicles and road facilities. The use of isolator reduces the interference caused by the static electricity and signal interference between vehicles and road facilities.

SI8422BB-D-ISR is a high-performance digital isolator with many functions and features. It has wide temperature range, low consumption current and high sensitivity. It is also very stable and reliable in operation. With its excellent performance, SI8422BB-D-ISR digital isolator has been widely used in many fields. It is a good choice for power electronic system.

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