HCMS-3902

Series:	HCMS-39xx
Part Status:	Active
Lead Free Status / RoHS Status:	--
Millicandela Rating:	128µcd
Moisture Sensitivity Level (MSL):	--
Internal Connection:	--
Size / Dimension:	0.70" L x 0.40" W x 0.20" H (17.8mm x 10.2mm x 5.1mm)
Color:	Red
Configuration:	5 x 7
Voltage - Forward (Vf) (Typ):	--
Interface:	Serial

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Display Modules - LED Dot Matrix and Cluster

LED dot matrix and cluster display modules are one of the most popular display technologies available today. The HCMS-3902 from Harwin is an example of a popular LED dot matrix and cluster display that offers power efficiency, flexibility and a high level of visibility even at night. This article will look at the application field of the HCMS-3902 and its working principles.

Application Field of HCMS-3902

The HCMS-3902 is used in both automotive and industrial displays, with the wide array of features making it suitable for both applications. Automotive displays can benefit from the LED dot-matrix\'s high level of visibility, while industrial displays can utilize the flexibility of the module.The HCMS-3902 is built with a homogenous 4-digit 10x7 display matrix, and it is rated to a 7 segment Ø14 display. The HCMS-3902 has an integrated heater system and thermistor, which allows it to operate in extreme temperatures ranging from –25 °C to +85 °C. It is also designed to offer a high power efficiency, especially in comparison to other display technologies.The HCMS-3902 also offers a high level of visibility, even when it is used in low light conditions. This is important for both automotive and industrial displays, especially for safety critical applications.

Working Principle of HCMS-3902

The HCMS-3902 from Harwin is based on the principle of direct drive, meaning that it does not require additional components such as a pulse width modulator (PWM). When the power is applied to the module, each of the LEDs is illuminated individually, thus creating the display image.To further enhance the power efficiency and visibility, the HCMS-3902 also features a number of modes. These include PWM mode, which allows the user to adjust the brightness of the display. There is also a temperature control mode, which ensures that the display is kept at an optimal temperature for the best power efficiency.The HCMS-3902 also offers a number of other features such as short circuit protection, overvoltage protection and reverse polarity protection, which ensures that the module is protected from damage.

Conclusion

The HCMS-3902 from Harwin is an excellent example of a popular LED dot matrix and cluster display. It offers a high level of power efficiency, flexibility and visibility, which makes it suitable for both automotive and industrial applications. It also features a number of features such as temperature control, PWM mode and protection against damage. Overall, the HCMS-3902 is an excellent choice for those looking for a reliable and efficient display technology.

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