ACPL-827-00BE

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Optoisolators are a type of electronic component used for electrically isolation two circuits from each other. Optoisolators can be used in a wide variety of applications and can be divided into subgroups based on their behavior. The ACPL-827-00BE is a transistor output optoisolator that is designed for signal switching and power control in industrial and automotive applications. This article will discuss the application field and working principle of this optoisolator.

Application Field:

The ACPL-827-00BE optoisolator is suitable for use in many applications, especially in industrial and automotive industries. It is frequently used in automotive electronics, such as to control ECUs and ABS systems, as well as in industrial process control and ac motor speed control. It can be used for the control of on/off and speed regulation for both AC and DC motors. It is also commonly used in consumer applications such as air conditioner and home appliances.

Working Principle:

The ACPL-827-00BE optoisolator consists of a light-emitting diode (LED) that is directly connected to an integrated photo-MOS transistor. When the LED is forward biased, it emits light, which is collected by a solid-state photo-detector inside the opto-isolator. This photo-detector then turns on its internal circuitry, which is connected to an output transistor. As a result, the output transistor switches on and supplies a current to the load. The LED and the photo-detector are isolated from each other by the optoisolator’s insulation material, which prevents any electrical leakage from the input to the output.

Another important feature of this optoisolator is its protection against reverse EMF or back-EMF. The ACPL-827-00BE is designed to protect its internal components from the high voltage spikes that can occur when a load is switched off suddenly. This protection is ensured by a special over-voltage protection (OVP) circuit. The OVP circuit reduces the voltage to a safe level and ensures that the internal components of the optoisolator are not damaged.

Conclusion:

The ACPL-827-00BE is a transistor output optoisolator that is designed for a variety of applications in the industrial and automotive sectors. It is suitable for controlling ECUs and ABS systems in automotive electronics, as well as for controlling on/off and speed regulation for both AC and DC motors. It has high-speed switching capability and is protected against reverse EMF or back-EMF by its OVP circuit. The ACPL-827-00BE optoisolator can, therefore, be used in a wide range of applications.

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