Intersil Announces Industry's First Four-Channel Video Decoder with MIPI-CSI2 interface for Automotive Around View Systems

Automakers are adding advanced driver assistance systems (ADAS) as standard and optional equipment, driven largely by the demand for more safety features for all light passenger vehicles. Most new models today have a standard backup camera, and offer ADAS options including around view camera systems for parking assistance and blind spot detection. The National Highway Traffic Safety Administration (NHTSA) estimates that rearview cameras can reduce back-over fatalities by more than 50 percent. Accordingly, automotive image sensor penetration in vehicles is increasing, and ABI Research estimates shipments will reach 197 million by 2020.

The ISL7998x family also includes the new ISL79986 with a line-interleaved BT.656 interface. The new video decoders provide motorists with detailed, high-quality video, enhancing their ability to see objects around the entire vehicle. An around view monitor system, also known as a surround view monitor, processes video from four cameras and then stitches the four images into a single birds-eye, top-down view as if a camera was stationed directly above the vehicle. The monitor helps drivers visually confirm the vehicle's position relative to surrounding objects for easy maneuvering and parking.

The ISL79985 and ISL79986 integrate four analog video decoders with 10-bit ADCs to support four analog camera CVBS inputs simultaneously. The ISL79985's MIPI-CSI2 interface lowers system EMI, reduces the number of pins compared to a traditional parallel interface, and makes it easy to interface with the newest SOCs and ADAS processors. Both decoders include Intersil's proprietary automatic contrast adjustment (ACA) image enhancement feature that adapts to rapidly changing lighting conditions. ACA is able to automatically increase or reduce brightness and contrast to optimize the image for greater visibility and safety in low light and sunlight glare conditions.

"Intersil is the clear market leader in multi-channel video enabling the latest advances in ADAS around view camera applications," said Philip Chesley, senior vice president of Precision Products at Intersil. "Automakers count on Intersil's family of video decoders to drive their backup camera and around view camera roadmaps, and provide the highest level of driver and pedestrian safety."

Key Features and Specifications of ISL79985 and ISL79986

• Integrate four NTSC/PAL/SECAM analog video decoders and 10-bit ADCs with differential, pseudo differential and single-ended inputs
• 4-H adaptive comb filter Y/C separation, and PAL delay line for color phase error correction
• Software selectable analog input control for combinations of single-ended CVBS and differential CVBS
• Integrates programmable automotive short diagnostics -- short-to-battery and short-to-ground detection -- on each differential input channel
• ISL79985 integrates a MIPI-CSI2 output interface with MIPI standard Virtual Channel Identification
• ISL79986 supports 108MHz time multiplexed ITU-R BT.656 line interleaved format to output four channels over a single 8-bit data bus
• Integrated PLL to generate high frequency outputs while using a low cost 27MHz crystal oscillator
• Advanced synchronization processing/sync detection handles non-standard/weak signal
• Proprietary Automatic Contrast Adjustment (ACA) engine to dynamically optimize brightness and contrast levels
• AEC-Q100 Grade-2 qualified for operation from -40°C to +105°C

The ISL79985 and ISL79986 can be combined with the ISL78302 dual LDO, and ISL78322 / ISL78228 dual synch buck regulators to manage power rails for the video decoder, memory, SOC or FPGA in an around view ADAS application.

Pricing and Availability

The ISL79985 with MIPI-CSI2 output is available now in a 7mm x 7mm, 48-lead QFN package and is priced at $6.00 USD in 1k quantities. The ISL79985-EVAL evaluation board comes with a user manual, schematics and firmware. For more information on the ISL79985, please visit: www.intersil.com/products/isl79985.

The ISL79986 with BT.656 output is available now in a 7mm x 7mm, 48-lead QFN package and is priced at $5.00 USD in 1k quantities. The ISL79986-EVAL evaluation board comes with a user manual, schematics and firmware. For more information, please visit: www.intersil.com/products/isl79986.

About Intersil

Intersil Corporation is a leading provider of innovative power management and precision analog solutions. The company's products form the building blocks of increasingly intelligent, mobile and power hungry electronics, enabling advances in power management to improve efficiency and extend battery life. With a deep portfolio of intellectual property and a rich history of design and process innovation, Intersil is the trusted partner to leading companies in some of the world's largest markets, including industrial and infrastructure, mobile computing, automotive and aerospace. For more information about Intersil, visit our website at www.intersil.com.

Intersil and the Intersil logo are trademarks or registered trademarks of Intersil Corporation. All other brands, product names and marks are or may be trademarks or registered trademarks used to identify products or services of their respective owners.

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SOURCE Intersil Corporation

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