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Single-chip bistable display driver provides flexible waveforms

Posted: 30 Oct 2007 ?? ?Print Version ?Bookmark and Share

Keywords:bistable display driver? controller? portable device?


Solomon Systech Ltd has released SSD1623, touted to be the first commercialized single-chip integrated driver with controller, allowing the output waveform to be set to drive different displays such as cholesteric, electrophoretic and other new display technologies.

The latest addition to the bistable display driver family, the SSD1623 supports 96 segments and one common output for direct drive display. To cope with different display driving voltage requirements, the built-in DC/DC converter can be set to boost low voltage supply to a range of up to 38V. Flexible driving waveforms enable the SSD1623 to be adopted in various new display technologies. The driver is designed in a square-like die aspect ratio, which makes it is well suited for smart card applications, as it can withstand pressure when the card is bent.

The drivers also feature built-in oscillator and SPI MCU interface for input data and commands. With its highly compact design, the device also enables new displays to be applied in portable devices such as smart cards, memory cards, mobile phones, electronic shelf labels and more.

"Different bistable displays require different driving waveforms. There used to be different dedicated bistable drivers to support each kind of bistable display, but these had limited flexibility for both end product design and production," said Raymond Wang, business operations director of Solomon Systech. "The SSD1623 is the first of its kind to offer a single-chip solution that can drive different bistable displays. The same IC can now be used in different display platforms, allowing multiple end product designs with the same system support. The turnaround of new products like smart cards or memory cards will be fast."

The SSD1623 display drivers are available in bare die, gold bump die and COF packages.

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