HCPL-2531#500

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Optoisolators, sometimes known as optocouplers, provide isolation between components. Optoisolators are available in a variety of forms such as photocouplers, solid-state relays, and isolated input and output modules. The optoisolator used in this article is the HCPL-2531#500, a two-channel transistor photovoltaic output optoisolator.

The HCPL-2531#500 provides isolation and signal isolation up to 5,100 VRMS. It features a MOSFET output stage, for high-speed switching and driving loads up to 200 mA. It has a high isolation voltage rating of 5,100VRMS, for a maximum working voltage of 51V. The optoisolator’s propagation delay is 1 microsecond maximum.

Application Field

The HCPL-2531#500 is a suitable device for any system requiring a combination of signal isolation and current isolation. Overvoltage transient protection is achieved through the optocoupler’s high dielectric strength. It can be used in high side switching applications, such as fuse blowing, thyristor firing, voltage regulator control, relays, motor-drive controlling, and other applications that need isolated signals. Additionally, it can be used in process control, automation, and safety systems where it is important to minimize emissions and disturbances from external sources.

Working Principle

The HCPL-2531#500 works by using internal photodiodes to detect the input voltage. The input voltage triggers a light-emitting diode (LED) which then activates the phototransistor, thus transferring and amplifying the signal. The output of the phototransistor is then switched by the operation of the internal MOSFET.

In order to ensure proper operation of the optoisolator, the LED must be correctly positioned. The LED must be small enough to not interfere with the optical path of the phototransistor, and must be correctly pointed so that the beam of light is correctly detected by the phototransistor. The optical path must also remain unobstructed by debris, dust, and other objects which could block the path of the LED’s light.

Conclusion

The HCPL-2531#500 Transistor Photovoltaic Output optoisolator is a two-channel optoisolator that provides isolation and signal isolation up to 5,100 VRMS. It is highly suitable for high side switching applications, such as voltage regulation control, relays, motor-drive controlling, and other applications that need isolated signals. It is important to ensure that the LED and phototransistor of the optoisolator are correctly positioned for proper operation.

The specific data is subject to PDF, and the above content is for reference