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The S1D15106 LCD driver provides high contrast, supports 16-level grayscale segment displays, and has stronger safety functionality

Seiko Epson Corporation (TSE: 6724, "Epson") has developed and recently begun volume production of the S1D15106, Epson's first high-grayscale segment LCD driver for instrumental cluster display systems. Epson plans to produce 100,000 of the new drivers per month.
The amount of information that needs to be shown on instrumental cluster displays is increasing as vehicles gain additional features and functions. On the other hand, larger displays with higher definitions increase costs. For this reason, there has been an increase, especially in emerging countries, in the number of combination-type instrumental cluster displays that use TFT LCDs for things that require display flexibility and that use segment LCDs for fixed items such as indicators and icons.
The S1D15106 is a segment LCD driver that can be directly connected to a microcontroller. Image data transferred from the microcontroller can be displayed on the segment display without an external memory.1 Static driving enables high contrast, while pulse-width modulation (PWM) enables the 16-level grayscale segment display, making this driver ideal for the visualization of things such as speedometers and tachometers.2,3
Furthermore, the driver circuit is equipped with display safety functions such as segment/common output problem (open/short) detection, and if a line from driver output to display is open and a display abnormality is detected, the display can be restored by switching the driver output terminal via control from the microcontroller. The safety functions of the driver circuit support the construction of highly reliable display systems. This driver satisfies the strict quality requirements for automotive products. It is compliant with AEC-Q100 and operates at temperatures up to 105℃.4
Epson seeks to advance the frontiers of industry and drive the circular economy by applying the efficient, compact, and precision technologies that it has developed over many years to solve challenges. These technologies, which save energy, enable smaller products, and increase accuracy and precision, enable Epson to contribute to the Sustainable Development Goals (SDGs), which will bring about a better and more sustainable future for all.
Epson also seeks to leverage its device technologies to realize a smart society. Toward this end, the company will continue to develop a variety of controllers and drivers for in-vehicle display systems that require high resolution and safety functions and that enhance the performance of our customers' products.
Product features
Segment: 368 outputsCommon: 1 output
Static driving for high contrast
16-level grayscale display enabled by PWM
Display safety functions
www.epson.com

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