TSOP14133

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TSOP14133 Application Field and Working Principle

TSOP14133 is an infrared optical sensor used in the fields of remote control, surveillance, communication and other applications. It can be classified as optical sensors, and specifically as photo detectors and remote receiver.

Applications

This type of motion and proximity detector is mainly used in remote control applications. It is designed for short range detection of reflection signals from an infrared LED. For example, it can be found in some remote controls for TVs, DVD players, VCRs, water heaters, fans, air conditioners, motor-operated curtains, game machines, eavesdropping equipment, and other electronic items. The usage extends to home automation, medical, and robotics applications.

Working Principle

The TSOP14133 integrates a 38kHz infrared receiver and high voltage amplifier with Schmitt trigger directory. It can receive mono-modulated infrared signals, such as RC5, RC6, and other infrared communications protocols used in home appliances.

It is a miniature, low power, 10-pin, plastic molded package. Its size allows for placement on PCBs, as well as in compact appliances. The device contains an infrared photodiode, amplifier, waveform generator, and oscillator. This ensures robust, stable performance across the 3-5V power range. Its maximum supply voltage is 5V, and the working voltage is wide, between 2V and 5V.

The TSOP14133 has a built-in receiver that detects infrared signals, amplifies them, and can resist interference from visible light. It features an adaptive surface mounted component for better space saving. It also provides immunity to interference from LED emitting sources, giving the receiver more stability. The device works in all conditions such as a poor environment with even little ambient light.

The TSOP14133 can detect different infrared signals from different users. This is achieved by the on-board waveform generators which can modulate the incoming signal in different formats, including pulse position modulation, pulse width modulation, frequency modulation, and so on.

The receiver also has an interrupt pin, which is triggered whenever an infrared signal is detected. After the signal has been detected, the information is decoded and transmitted to the host system for further requests.

Conclusion

The TSOP14133 is an infrared optical sensor that is widely used in applications in the fields of home automation, medical, and robotics. It features an adaptive surface mounted component for better space saving, immunity to interference from LED emitting sources, and the ability to detect different infrared signals from different users. In conclusion, this device can be used to not only remote control different electronic items, but also to perform complex optical sensing tasks.

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