SI8380P-IUR Isolators

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Digital Isolators are used to provide galvanic isolation between two circuits which are at different potential levels. SI8380P-IUR is a digital isolator used in a variety of applications, such as micro-processor/PC system with power supply circuits, analog signals, digital signals, interface RS-232, bus system, LCD/DLCD panel/display and audio cards. This product provides enhanced protection from voltage spikes, overcurrents and other dangerous electrical conditions.

The SI8380P-IUR digital isolator is a unidirectional digital isolator which provides isolation up to 2000 Vac and 100 Vdc. It is constructed using 12 bi-directional insulated gate bipolar transistors (IGBTs) and 4 resistors to provide electrical isolation between two circuits. The product is housed in a small package, with a low power requirement, making it ideal for high-density mounting and installations.

The working principle of the SI8380P-IUR digital isolator is based on the concept of electrical isolation. It uses two separate electrical paths to route the electrical signals from one circuit to the other. The first path is the gate-to-source capacitance (GTCS) which is used to ensure the transfer of electrical signals between the two circuits. The second path is a resistive path which acts as a coupling between the two circuits and isolates them from each other.

The GTCS path is the active component of the digital isolator. It consists of a set of insulated gate bipolar transistors (IGBTs) which act as a switch. When the input signal is applied to the GTCS, the IGBTs become energized and form a closed connection, allowing the signal to pass through to the output. The resistive path provides electrical isolation between the two circuits by providing a high impedance for the signal to pass through.

The SI8380P-IUR digital isolator has a wide range of applications in various types of electrical and electronics systems. It is used in applications where high-voltage or high-current signals need to be transferred between two circuits. It can also be used in applications where low-voltage or low-current signals need to be transferred between two circuits. The product can be used for data transfer between micro-processors, PCs and other micro-controller systems, as well as for signal isolation for power supply circuits. Additionally, it is also used in power distribution systems, where the SI8380P-IUR digital isolator is used to block the flow of excess current, preventing damage to the system.

The SI8380P-IUR digital isolator is a cost-effective solution that provides isolation for a broad range of applications. It is an ideal solution for applications which require galvanic isolation between two circuits. The product is easy to install and provides excellent protection from voltage spikes, overcurrents and other dangerous electrical conditions.

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