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SerDes chipsets improve cabling in car infotainment apps

Posted: 14 Apr 2014     Print Version  Bookmark and Share

Keywords:Maxim Integrated Products  automotive infotainment  SerDes chipset  cable 

Maxim Integrated has released its automotive SerDes chipsets that claim to enable both shielded twisted pair (STP) and coax cabling, maximizing design flexibility. As a result of using the Gigabit Multimedia Serial Link (GMSL) SerDes chipsets, the company allows engineers to design high-resolution automotive infotainment applications with either traditional STP or lighter, less expensive coax cables.

Current vehicle designs use STP cables to drive data to automotive infotainment displays. However, OEMs are beginning to turn to coax cabling instead, as it lowers cable cost and weight by up to 50 per cent. With Maxim's SerDes chipsets, OEMs can continue using STP cables in their designs, and seamlessly transition to coax cabling in future models using the same chipset. The chipsets drive 15m of coax or STP cabling, providing the margin required for robust and versatile designs, stated Maxim. The spread-spectrum capability built into each serialiser and deserialiser claims to improve EMI performance in the link, without the need for an external spread-spectrum clock. Each serialiser can operate with any deserialiser in the family, allowing the use of different interfaces at each end of the link. In addition to driving high-resolution central and rear-seat displays, these chipsets can also be used in megapixel camera systems.

Each device operates over the -40°C to 105°C automotive temperature range. Pricing and evaluation (EV) kits are available to qualified customers on request. As with the previous generation of GMSL SerDes, HDCP compatible versions are available.





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