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M12-based Ethernet switches are for rail applications

Fri, Sep 27, 2019

TE Connectivity now offers EN50155 managed Ethernet switches that enable secure and reliable Gigabit-speed networks in harsh network environments on railway rolling stock.

The switches can be used even where vibration levels are extreme, says TE Connectivity.

They are equipped with hardware and firmware to provide optional Power over Ethernet (PoE), redundancy functions, easy management and advanced operation. The switches are intended for passenger information and entertainment systems, as well as surveillance systems.

The switches have built-in redundancy and can be managed remotely, saving maintenance costs. They are “highly resistant to hacking” adds the company.

According to TE’s Egbert Stellinga, “Their Gigabit performance will help our customers save on future investments, while the optional PoE capability cuts costs straight away by eliminating the need to run separate power lines.”

TE EN50155 Managed Ethernet switches can be used in networks running at speeds anywhere from 100Mbits per second to 10Gbits per second.

TE is also launching a series of complementary PoE splitters and injectors adjacent to the company’s existing portfolio consisting of unmanaged switches.

For more than 75 years, TE Connectivity has provides connectors and sensors for use in the harshest environments, enabling advances in transportation, industrial applications, medical technology, energy, data communications, and the home.

The company has 80,000 employees, including more than 8,000 engineers, working alongside customers in approximately 140 countries around the world.

http://www.te.com

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IP with 112G Ethernet PHY targets hyperscale data centre SoCs

Thu, Sep 26, 2019

Enabling true long reach channels for 800G networking applications, Synopsys has introduced the DesignWare 112G Ethernet PHY on TSMC’s N7 process.

The DesignWare 112G Ethernet PHY IP on TSMC’s N7 process supports true long reach channels for up to 800G networking applications. It is based on Synopsys’ silicon-proven 56G Ethernet PHY available in multiple FinFET processes and delivers PAM-4 signalling for more than 35dB channel loss across optical, copper cables, and backplane interconnects.

The PHY’s transmit phase-locked loop architecture allows independent, per lane data rates for a broad range of high-throughput protocols and applications. To maximise bandwidth and beachfront density, the PHY’s layout allows square macros to be placed in a multi-row structure and along all edges of the die.

Synopsys offers a routing feasibility study, packages substrate guidelines, signal and power integrity models and thorough crosstalk analysis.

The 112G Ethernet PHY incorporates Synopsys’ data converters and implements power scaling techniques for up to 20 per cent power reduction in low-loss channels. Test features, including embedded bit-error rate tester and internal eye monitor, provide on-chip testability and visibility into channel performance. The 112G Ethernet PHY operates across voltage and temperature variations using continuous calibration and adaptation algorithms.

The DesignWare 112G Ethernet PHY for TSMC’s N7 process is scheduled to be available in Q1 of 2020.

DesignWare IP from IP for SoC designs provider, Synopsys, includes logic libraries, embedded memories, embedded test, analogue IP, wired and wireless interface IP, security IP, embedded processors, and subsystems. To accelerate prototyping, software development, and integration of IP into SoCs, Synopsys’ IP Accelerated initiative offers IP prototyping kits, IP software development kits, and IP subsystems.

Synopsys is the Silicon to Software partner for companies developing electronic products and software applications. The company has a long history in electronic design automation (EDA) and semiconductor IP and is also growing its leadership in software security and quality solutions. Customers are SoC designers creating advanced semiconductors, or a software developer writing applications that require high security and quality.

http://www.synopsys.com

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ams adds laser detection auto-focus that sees through smudges

Thu, Sep 26, 2019

Laser detection auto-focus for a smartphone camera that can accurately zero in on the target when the cover glass is smudged or dirty is possible with TMF8801 time of flight (ToF) sensor from ams.

The sensor is claimed to be the world’s smallest integrated module for direct ToF distance measurement, providing accurate measurements from 20 to 25mm.

The TMF8801 is more than 30 per cent smaller than competing ToF sensors, claims ams, for compact designs. Unlike competing ToF sensors which struggle to accurately measure distance below dirty or smudged cover glass, the TMF8801 maintains high accuracy through use of its on-chip histogram processing, ams says.

The TMF8801 direct ToF sensor complements the TMF8701 short range ToF sensor released in 2018 and provides extended distance range sensing for smartphones. Dave Moon, senior product marketing manager in the Integrated Optical Sensors business line at ams, said: “The TMF8801 is ideally suited to provide support for improving world-facing mobile phone camera performance using laser detection auto-focus (LDAF), enabling mobile phone users to take pin-sharp photos and selfies.”

The ToF performance is achieved through use of an integrated VCSEL infra red emitter, multiple single photon avalanche photo-diode (SPAD) light detectors, time-to-digital converter, and on-chip microcontroller for processing histograms. Compared to distance averaging employed with an indirect ToF system, the direct ToF time measurement methodology used in the TMF8801 delivers higher accuracy true-distance measurements, claims ams.

High accuracy distance measurements, combined with LDAF, improve camera performance, with sharper, in-focus images under any ambient lighting conditions, and accurate adjustment of the camera flash brightness to improve picture quality.

The small size and low power consumption of the TMF8801 is suitable for fast-ranging collision avoidance detection used in autonomous vacuum cleaners, and industrial robotics. For display-based products, such as mobile computing, the TMF8801 can be used for user presence detection to automatically wake up or put the system into a low-power sleep mode based on the presence or absence of a user.

The TMF8801 is housed in a 2.2 x 3.6 x 1.0mm package and is in volume production.

https://www.ams.com

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HD LCD video controller has MIPI-CSI2 input for parking assist

Wed, Sep 25, 2019

Claimed to be the first full HD 1080p LCD video controller to include a four-lane MIPI-CSI2 input, the RAA278842 LCD video controller’s four-lane (or dual two-lane) MIPI-CSI2 input supports up to 1Gbit per second per lane. This allows it to interface with the latest generation of automotive cameras, application processors and graphics processors, explains Renesas Electronics. The controller also supports a 150 MHz single-channel OpenLDI interface and a variety of video interfaces and LCD panel sizes with resolutions up to 1920 x 1080.

The RAA278842 can be used for automotive central infotainment displays (CIDs) and head units, instrument clusters, head-up displays (HUDs) and mirror replacement display applications for advanced driver assistance systems (ADAS).

“The RAA278842 LCD video controller helps automotive system manufacturers develop versatile and reliable display systems that provide superior HMI graphics for analogue and digital video content,” said Niall Lyne, senior director, automotive mixed-signal/power and video, Renesas Electronics. “Our strong heritage in video signal processing for backup cameras along with highly differentiated new technology is valued by automakers and Tier-1 suppliers worldwide,” he said.

The RAA278842 LCD video controller has 10-bit per colour processing built into the image enhancement engine to provide near-zero latency, high quality video. Integrated video diagnostics detect if the incoming video is frozen or corrupted and can provide a direct path for the rear camera video to be displayed on the LCD. This significantly improves rear camera display reliability, explains Renesas, claiming that it virtually eliminates the possibility of a software-related problem causing the rear camera video to be displayed incorrectly or not at all. The RAA278842 can display the camera image on an LCD in less than 500 milliseconds, addressing the fast boot requirement of many OEMs. The EEPROM/SPI flash fast boot allows register programming without requiring an external microcontroller

The RAA278842 with MIPI-CSI2 output and the RAA278843 with traditional BT.656 output, work with the system’s main processor to monitor the camera and the video data coming from the SoC or graphics processor unit (GPU). After vehicle ignition, while the instrument cluster boots up, the RAA27884x controller can display the carmaker’s logo or live camera video. The controller’s on-screen display feature can also simulate warning lamp checks in an instrument cluster application.

Both controllers enable compliance with FMVSS-111, requiring the blind spot area behind the vehicle is displayed in less than two seconds after the driver places the vehicle in reverse gear.

Proprietary input switching eliminates flicker when switching between sources, claims Renesas and the AEC-Q100 Grade-2 qualified devices are specified for operation from -40 to +105 degrees C

The RAA278842 and RAA278843 can be combined with Renesas’ R-Car SoC family, RH850 MCU family, and RL78 MCU family, as well as the ISL78302 dual LDO, ISL78322 dual 2A/1.7A synchronous buck regulator, and ISL78228 dual 800mA synchronous buck regulator to provide power rails for the RAA27884x and other ICs on the automotive infotainment system board.

Mass production quantities of the RAA278842 with MIPI-CSI2 output are available now in a 14 x 14mm, 128-lead LQFP package.

Mass production quantities of the RAA278843 with BT.656 output are available now in a 14mm x 14mm, 128-lead LQFP package.

http://www.renesas.com

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M12-based Ethernet switches are for rail applications

IP with 112G Ethernet PHY targets hyperscale data centre SoCs

ams adds laser detection auto-focus that sees through smudges

HD LCD video controller has MIPI-CSI2 input for parking assist

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