HCPL-2502#300

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HCPL-2502#300 Optoisolators - Transistor, Photovoltaic Output

The HCPL-2502#300 optoisolator is used to provide galvanic and electrical isolation between two circuits. It is most commonly used as an interface between various types of digital control systems, such as microprocessors, and electrical loads. The HCPL-2502#300 is part of a series of optoisolators that are based on an LED transmitter, a photovoltaic detector, and a single-output transistor. The optoisolator has a mechanical lifetime of up to 10 million operations and a typical power dissipation of 30 mW.

Application Field

The HCPL-2502#300 optoisolator is often used in applications such as powering motors or other loads that need electrical isolation from the controller, or providing an output for a digital signal that needs to be electrically isolated from the controller. It is also used for providing signal isolation between two isolated ports, such as in an industrial Ethernet network. The optoisolator is also used in applications where load driving functionality, such as in a closed loop stepper motor, is required. It is commonly used in applications such as automotive, telecom, industrial controls, and consumer electronics.

Working Principle

The HCPL-2502#300 optoisolator works by using a light-emitting diode (LED) and an integrated photovoltaic detector separated by a transparent plastic package wall to maintain electrical isolation between the output and the controller. When current flows through the LED, a signal is generated that is detected by the photovoltaic detector. This signal is then amplified by the single-output transistor that is also enclosed within the package.

The signal output is isolated from the LED and the photovoltaic detector, meaning that it can be used in any type of application without any losses due to electrical noise. The LED-photovoltaic detector pair also provides excellent transient protection to the system, with high common mode transient immunity and fast response time. The isolation provided by the optoisolator prevents high-voltage signals from coupling directly to the controller circuits.

The HCPL-2502#300 optoisolator makes use of a 100V reverse voltage breakdown rating that helps to protect the system against any high voltage spikes or surges that may occur. The optoisolator is also designed to minimize power consumption and is compliant with lead-free requirements.

In summary, the HCPL-2502#300 optoisolator is a useful and cost-effective way to provide electrical isolation between two circuits while offering excellent protection from transient and high-voltage signals. It is suitable for use in a wide range of applications requiring electrical isolation and signal amplification. The optoisolator can be relied upon to provide outstanding performance and reliability in numerous industrial, automotive, telecom, and consumer electronics applications.

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