CPC5002GS

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CPC5002GS Application Field and Working Principle

Optoisolators - Logic Output is a widely used type of optical isolator. The CPC5002GS is a logic output optoisolator suitable for the field of digital electronics and I/O interfaces. This device is designed to provide electrical isolation between two systems with a maximum isolation voltage of 1000V DC. Its long-term reliability comes from its design using light emitting diodes (LED) as the optical source and phototransistors as a photo-receptor.

Application Field

The application field for the CPC5002GS includes system monitoring, industrial I/O interfaces, electronic security and surveillance systems, electronic switch systems, electrical power monitoring, motor control systems and solar energy systems. This device is designed to optimize the performance of such systems, by providing low-level input/output control between two isolated circuits. Its fast switching time ranges from 10µs to 40µs, depending on the LED rated current and supply voltage. In addition, it has low coupling capacitance, low input current and low logic level input as required in the fields mentioned above.

Working Principle

The CPC5002GS works on the principle of photo-sensitive relay. It consists of an LED placed on a PCB connected to an input voltage, and a phototransistor placed on the same PCB connected to an output voltage. When the LED is triggered by a low-level voltage, it emits light that is then converted into an electrical signal by the phototransistor. This electrical signal is then transmitted across a series connection of capacitors through the two connected systems. In this way, the electrical and optical isolation is achieved. The CPC5002GS produces a TTL or CMOS compatible output signal.

The CPC5002GS can ensure reliability and robustness even in extreme environmental conditions. It is also designed to consume very low power and has low standby power dissipation. Its capacitance rating is very low, enabling high speed protocol switching and operation in noise sensitive I/O interface systems. It can also provide efficient input/output control gate operations with low distortion.

Conclusion

The CPC5002GS is a logical output optoisolator suitable for many digital electronics and input/output interface systems, providing electrical isolation and noise immunity along with fast switching and low-level input requirements. It is designed to ensure the reliability and robustness of systems under extreme environmental conditions. Its long-term reliability comes from its use of light emitting diodes (LED) as the optical source and phototransistors as a photo-receptor, guaranteeing its low-power consumption, low standby power dissipation and low capacitance rating.

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