TLP293(BLL,E

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 enable the transmission of signals between two electrically isolated circuits. One of the most versatile optoisolators on the market is the transistor, photovoltaic output TLP293 (BLL) optocoupler by Toshiba. Below we will discuss the various application fields and the working principles of the optocoupler.

Application Fields

The TLP293 optocoupler offers many advantages over other optoisolators in terms of its application fields. Its integrated transistor, photovoltaic output circuit provides isolation of up to 3,000Vrms, making it ideal for use in multiple applications including:

• Industrial machinery - Used to isolate the operator interface from the rest of the machinery, preventing electrical shocks and interference.
• Automotive systems - Used to prevent excessive current from damaging sensitive parts of the car’s electrical system.
• Computer systems - Preventing the computer from coming into contact with hazardous external voltages and currents.
• Aerospace systems - Defending against electromagnetic interference between the various components of the aircraft.

Working Principle

The TLP293 optocoupler is a transistor, photovoltaic output optoisolator, meaning it transmits signals by way of light in relation to voltage. The isolated and the non-isolated sides are both connected in a way that focuses energy from the non-isolated side (input side) onto the photodiodes in the isolated side (output side). As the voltage across the photodiode changes, its internal resistance changes, allowing it to control the flow of current on the output side. The photodiode not only controls the current, but also provides electrical isolation between the two sides.

When the input side is connected to a voltage source, light is emitted from the output side, creating a positive-feedback loop. This feedback is beneficial when used in certain switching applications, such as H-bridges for controlling high current in motors. The feedback ensures that the transistor remains open/closed, regardless of any external voltage changes, to maintain consistent switching performance.

The TLP293 optocoupler is only one of many optoisolators on the market, but its combination of transistor, photovoltaic output circuit and isolation up to 3,000Vrms makes it a popular choice for many applications. With its wide range of applications, the TLP293 optocoupler offers high performance and reliable operation for many industries.

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