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LED Indication - Discrete

The XSMDK23MB application field and working principle is a type of LED indication product. It is a single chip LED driver and provides two LED drive channels separately. LED indication product is mounted with a 2.54 mm board-to-board socket for easy assembly and storage, which makes it especially suitable for applications in automotive electronics, industrial, instrumentation and other industries.

Application

The XSMDK23MB is a perfect solution for the application of multiple LED status display, such as the power on/off, start/stop, emergency control, and error/warning functions, etc. It is also suitable for applications such as replaceable adapters and emergency lights for motor vehicles.

The XSMDK23MB is six-channel, a two channel system (LED permission energization) suitable for all kinds of two-level switch light, emergency lights and instrument light. The third channel is single (LED permission energization or voltage control sense) can realize the dimming control of general process instrument.

Working Principle

The LED driver XSMDK23MB adopts a two channel parallel technique, making two LED driver channel operate separately. The two channels can be configured with two different LED control modes, one is voltage sensing, the other is current control. By configuring the control mode of the LED driver, the XSMDK23MB can be flexibly applied to the application of various LED status indication.

The XSMDK23MB has two output stages, one for the constant current drive (CCD), one for the non-constant current drive (NCCD). The CCD is dedicated to protecting the LED from burning out as well as providing a more stable current output for the LED. The NCCD provides a soft-on and soft-off feature, which creates a gradual and smooth signal transition.

Besides, the XSMDK23MB also has an innovative thermal electric protection (TEP) function, which delays the current delivered to the LED and prevents excessive current overshooting. The Thermal Electric Protection (TEP) is an important feature that helps to protect an LED from electric burnout and helps to reduce light decay.

Conclusion

The XSMDK23MB application field and working principle is a type of discrete LED indication product. Through two different LED control modes, one is voltage sensing, the other is current control and other features, the XSMDK23MB can be flexibly applied to the application of various LED status indication and to protect an LED from electric burnout and helps to reduce light decay, making it a perfect fit for applications such as replaceable adapters and emergency lights for motor vehicles.

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