HDSP-2131

Series:	HDSP-213x
Part Status:	Active
Lead Free Status / RoHS Status:	--
Millicandela Rating:	2.50mcd ~ 20.28mcd
Moisture Sensitivity Level (MSL):	--
Internal Connection:	--
Size / Dimension:	1.68" L x 0.39" W x 0.25" H (42.72mm x 9.91mm x 6.35mm)
Color:	Yellow
Configuration:	5 x 7
Voltage - Forward (Vf) (Typ):	--
Interface:	Parallel, 8-Bit

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HDSP-2131 Application Field and Working Principle

Display Modules - LED Dot Matrix and ClusterHDSP-2131 is a display module that belongs to the family of LED DotMatrix and Cluster, an emerging technology in the field of display modules. This module belongs to the family of dot-matrix displays and has a high number of visible elements with a minimum resolution of 7 × 7 dot matrix. This module has a direct interface to microcontrollers and its components are easy to power up and replace.The HDSP-2131 module is a highly efficient, easy-to-use display module. It has a high brightness output and a wide viewing angle. It is primarily used in applications such as in automotive instrumentation systems, warning systems and as a Backlight source in LCDs, as well as in general lighting systems. It is also used as an identification system in industrial machinery, communication systems and portable devices.The HDSP-2131 module consists of two voltage regulators and two sets of vertical micro LEDs. The two sets of micro LEDs are divided into a right and left side. The right side has the LED that emits the main illumination and the left side has the LED cluster that provides background light. The two sets of vertical micro LEDs are connected by three pins in a symmetrical cross-shaped pattern. The two voltage regulators convert the DC input voltage to drive the micro LEDs. The first regulator (V1) is used to control the total illumination output from both the left and right sides of the module. The second regulator (V2) is used to control the contrast. The HDSP-2131 module has a built-in switching circuit which switches the light output of the micro LEDs when necessary. For example, when the illumination output needs to be increased, the switching circuit will turn on the additional set of LEDs on the left side. Similarly, when the illumination output needs to be reduced, the same circuit will switch off the set of LEDs.The HDSP-2131 module provides a wide voltage range of 2.5-5.5 V. The typical working current ranges from 6 mA to 9 mA. The average luminance is typically 5,000 lux, with a minimum luminance of 2,000 lux and a maximum luminance of 8,000 lux. The operating temperature ranges from -20°C to 75°C.In summary, the HDSP-2131 module is a popular choice of LED Dot Matrix and Cluster due to its wide viewing angle, high brightness output and low power consumption. The addition of the switchable voltage regulator allows the module to achieve a wide range of lighting levels while maintaining a low power consumption. The module is well suited for various applications such as automotive instrumentation systems, warning systems and industrial machinery identification systems.

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