PS8802-2-AX

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Optoisolators are components used to create galvanic isolation between two circuits. They achieve this by transferring data through light, meaning no electrical interaction occurs between two circuits. PS8802-2-AX is part of this Optoisolator range and it addresses the need for high temperature operation, low operating current, and additional functionality. With the capability to deliver a maximum voltage rating of up to 450V, it is equipped to meet a range of applications.

Application Field

PS8802-2-AX is best suited for Industrial, military, automotive, and medical applications. It is a commonly used power isolation component used when circuits need to be separated from each other while secure communication is still needed. Its design allows it to interface between two circuits in order to provide a galvanic barrier. Such isolation allows for higher performance in terms of EMI suppression and also creating more secure data messages.

In industrial motor control applications, the PS8802-2-AX can be used either as a digital input type or as a digital output type. For digital input, it is used to receive pulse width signals from a motor controller, which can then be transmitted to a digital output stage. For digital output, it can be used as a trigger that generates a respective signal when switching occurs.

This device can also be used for switch input and output types. For example, in automotive applications, a PS8802-2-AX can be used to enter a digital signal of whether or not a location has been reached. Additionally, it can be used as an indicator light for warning systems.

Working Principle

The PS8802-2-AX is designed to function as a transistor, photovoltaic output optoisolator. This means it utilizes a photodiode to break down isolation between two circuits. The photodiode can be either integrated into the component or an external photodiode can be used. The photodiode used in this component is sensitive to ultraviolet light and requires an adequate light source to activate it.

When a voltage differential is created across the photodiode, photons are created which cause current pulses to flow within the device. This current in turn causes an output signal to be generated, which is then passed on to the system. The output signal is directly proportional to the current passing through the device, creating a linear relationship between the input and the output.

Advantages of the PS8802-2-AX include the low operating current of only 10mA and a maximum voltage rating of up to 450V. This makes it ideal for industrial and automotive applications with high voltage signals. The device is also rated for a wide range of temperatures, including extreme temperatures from -40 to 85°C.

Overall, the PS8802-2-AX optoisolator is an ideal device to facilitate data transmission and galvanic isolation, while offering an efficient power profile and wide range of temperature ratings. The device’s performance capabilities enable it to be used in a variety of applications, from automotive to medical.

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