PS2502L-1-A

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Optoisolators, also known as optocouplers, are solid state isolators that provide electrical electrical isolation between two circuits. The PS2502L-1-A is designed to provide noise immunity, improved system performance, and reliability. It is a reliable sensing and control device used in a variety of applications.

Device Overview

The device is a single channel optocoupler configured in the Transistor-Photovoltaic Output (TPO) mode. The component consists of a tricolor LED light source enclosed in a cap, an optically coupled NPN phototransistor, and an integrated emitter-follower buffer amplifier. The LED light source has three separate emitters and can be switched on and off separately, allowing for easy several light switching options. The active area of the phototransistor collector is exposed for easy routing and connection. Its functions are monolithic integrated circuit laser diode, and transformer isolation.

Application Fields and Working Principle

The PS2502L-1-A is designed to provide reliable coupling and isolation between the circuits. It offers noise elimination, improved system performance and reliability in specific applications. It is intended for use in the industrial automation industry, the power electronics industry, and the medical and automotive industries.

The working principle of PS2502L-1-A is based on the photo-electric effect. Light from the tricolor LED of the optocoupler is directed toward the phototransistor, causing a current flow through the collector-emitter junction. This current flow is used for control purposes in many applications. For example, it can be used to control the fan speed in industrial cooling systems, the flow rate of cooling liquids, or the pressure of a hydraulic system.

The TPO mode also supports the direct output of the LED light source, which can be used to provide an interface between different control systems. This way the brightness of the LED can be controlled with a PWM signal and will provide both an indication of the system status and control for other components.

The PS2502L-1-A is also designed with a high voltage (>300V) breakdown characteristics. This is beneficial in applications where high levels of insulation are needed between circuits. The component also features a low power consumption, making it suitable for battery operated systems.

The device is also designed with EMC immunity, enabling it to be used in systems that are sensitive to low-level interference. This makes the PS2502L-1-A an especially useful component for applications in which the cables run between different locations in the environment, such as medical equipment and automotive diagnostics.

In short, the PS2502L-1-A optocoupler demonstrates excellent performance in applications where strong noise immunity is required, system performance needs to be improved, and reliability must be maintained.

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