PIC18 Q84 family transmits-receives data through CAN FD

Microchip believes the PIC18 Q84 family is the first PIC18 microcontroller that can transmit and receive data through a controller area network flexible data rate (CAN FD) bus.

It meets the demand for increased bandwidth and flexible data rates in evolving automotive applications like safety and communication. It also supports the development of advanced driver assistance systems (ADAS), adds Microchip Technology.

Used with an array of core independent peripherals (CIPs) that handle a variety of tasks without requiring CPU intervention, the PIC18 Q84 family reduces time and cost when connecting systems to a CAN FD network.

The microcontrollers transport sensor data to a CAN FD bus without the need for gateways or sophisticated network switching techniques. Its configurable CIPs allow users to create custom hardware-based functions for automotive and industrial designs with near-zero latency, without requiring additional code. Peripherals include a 32-bit cyclic redundancy check with scan (CRC/Scan), a windowed watchdog timer (WWDT) for functional safety capabilities, and a Joint Test Action Group (JTAG) interface to implement industry standard testing and debugging.

“CAN FD will continue to play a critical role in delivering faster data transfer rates for applications, ranging from the connected car to industrial automation and smart homes,” said Greg Robinson, associate vice president of marketing for Microchip’s 8-bit microcontroller business unit. The additon of the 8-bit PIC microcontroller family is expected to advance the adoption of the CAN FD protocol, helping designers create cost-effective network nodes at scale, he added.

The PIC18 Q84 family offers both hardware and software support. Hardware includes a Curiosity nano development board and a Curiosity high pin count (HPC) development board. A plug-in module (PIM) is also available for the automotive networking development board and for use with Microchip development boards. Software includes Microchip’s MPLAB Code Configurator (MCC).

Microchip also provides a broad family of CAN FD transceivers and CAN FD controllers.

The PIC18 Q84 family is available in volume production now.

http://www.microchip.com

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PHY is integrated for fibre optic automotive networking

Believed to be the first device for optical in-vehicle connectivity incorporating a transceiver IC, optoelectronics and optics, the KD7051 is an integrated fibre optic transceiver (FOT) from KDPOF.

The integrated FOT is a 100Mbit per second optical port in one single component. “By constructing the ASIC IC, photodiode and LED as one single device, we significantly reduce cost and footprint for automotive Ethernet connectivity at 100 Mbits per second,” said Carlos Pardo, CEO and co-founder of KDPOF. “The decreased number of parts also reduces the effort in testing and qualification,” he added.

The KD7051 reduces cost, compared to shielded twisted pair (STP) of copper wires, said KDPOF. There are no margin stacking between links in the supply chain and supply chain simplification, which offers competitive pricing for EMC critical or galvanic isolated critical links, says KDPOF. Applications include battery management systems, camera and sensor links, fast Ethernet links and smart antenna links.

KDPOF’s KD7051 transceiver IC offers a complete FOT design, which reuses low cost MEMs encapsulation and allows SMD reflow assembly with 8.0 by 7.0mm LGA components. The FOT is shielded against electromagnetic radiation. Fibre connection is via a simple plastic connector placed on top. The temperature range, from -40 to +105 degrees C, conforms with harsh automotive environmental requirements. It has a vibration class of V2 and withstands motor conditions. According to KDPOF, the device endures water without sealing. Shielding is integrated into the PCB component to strengthen EMC performance even with the ECU shield case removed. The first prototypes are available now.

The plastic optical fibre has a large diameter, making it more cost-effective to manufacture and install. During car assembly, the optical harness can be installed in the same process as the copper harness to ease installation.

Fabless semiconductor supplier KDPOF provides innovative high speed optical networking for harsh environments. It makes Gbit communications over fibre optics a reality, and supplies 1Gbit per second POF links for automotive, industrial, and home networks.

The company was founded in 2010 in Madrid, Spain, and offers a cost-effective technology as either ASSP or IP to be integrated in SoCs. The adaptive system works with a range of optoelectronics and low cost large core optical fibres, for a low risk, low cost, reduced time to market for vehicle manufacturers.

http://www.kdpof.com

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Wi-Fi 4 chip delivers next-generation WPA3 security

For cost-effective and secure IoT projects, the Infineon CYW43439 is a dedicated Wi-fi 4 chip which delivers the latest WPA3 security standard. The Wi-Fi/Bluetooth/Bluetooth Low Energy chip can be used for smart thermostats or smart lighting and other applications which need to comply with new security regulations, including the California Consumer Privacy Act which gives consumers the right to know the personal information a business collects, and the right for that information to be deleted.

Approximately half a billion new devices are expected to ship implementing Wi-Fi 4, the basic connectivity standard for the IoT, through 2025. Devices will be expected to support the latest features, such as WPA3.This security standard allows more robust authentication, increased cryptographic strength and more resilient mission-critical networks. Designers can use the Infineon CYW43439 to provide connectivity and implement the security standard in the product.

“For many IoT-connected products like smart thermostats and other consumer devices, their connectivity is both low bandwidth and low-duty cycles,” said Jeff Baer, senior product marketing director, IoT RF at Infineon. The CYW43439 allows customers to use the WPA3 security standard, and at the same time minimise connectivity cost by using Wi-Fi 4, he added.

With Wi-Fi 4, the CYW43439 enables robust, power-efficient performance, with worldwide certifications and certified interoperability. It can be used with RTOS, Linux, and Android platforms, and there is development support for software that includes advanced smart-coexistence for multi-user Wi-Fi and Bluetooth applications. This enables multiple connections simultaneously including Bluetooth Low Energy Mesh networking.

The devices reduce system power consumption by providing host SoC off-load processing for network management and audio applications reducing CPU loading. The optimised software for library-based functions allows connections to mobile devices or any cloud service at any time.

Infineon offers the CYW43439 with ModusToolbox software, describing it as an adaptable development systems for the IoT, with packaged solutions supporting popular ecosystems and cloud management tools.

The Infineon CYW43439 is available in volume quantities. Commercial modules are also available from industry-leading module partners.

http://www.infineon.com

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Intelligent IOLINK actuator reduces power by more than 50 per cent

Factory productivity is boosted by using the PD42-1-1243-IOLINK intelligent actuator, says Maxim Integrated, through monitoring 50 per cent more configuration and performance parameters. The Trinamic-branded intelligent actuator enables smart factories to quickly and remotely adjust an actuator’s electrical characteristics to minimise factory downtime and maximise throughput, says the company.

The PD42-1-1243-IOLINK combines a NEMA-17 stepper motor with controller and driver electronics and uses Maxim’s MAX22513 IO-Link transceiver to allow seamless configuring of all modes of Trinamic’s TMC2130-LA motor driver.

It is, says Maxim, the industry’s smallest, lowest-power NEMA-17 PANdrive actuator. It monitors 50 per cent more configuration and performance parameters to reduce commissioning times as well as to improve the quality of predictive maintenance data.

The TMC2130-LA motor driver and MAX22513 IO-Link transceiver chipset builds on the IO-Link’s two-way universal interface. The plug-and-play solution is 2.6x smaller and more than 50 per cent lower power compared to the competing solution, claims Maxim.

The MAX22513 IO-Link transceiver is supplied in a 4.2 x 2.1 WLP, which is three times smaller than the closest alternative currently available, Maxim says, making it the industry’s smallest ±1kV/500Ohm surge-protected, dual-driver IO-Link transceiver. It features high integration with a DC/DC regulator, protection diodes, auxiliary digital input, I²C or SPI control, integrated oscillator and selectable 3.3V or 5.0V LDO. It also enables four times lower power dissipation due to low 2.0 Ohm (typ) C/Q driver on-resistance compared to the nearest competing solution, according to Maxim.

The TMC2130-LA motor driver offers stall detection with no sensors necessary, to flag unwanted mechanical behaviour. It provides extremely smooth and precise motion with up to 256x microstepping compared to the 16x industry standard, resulting in accurate positioning and minimised resonance. Key integrated functions include a complete driver stage with low RDS(on) N-channel power MOSFETs configured as full H-bridges to drive the motor windings up to 1.2A RMS at 5.0 to 46V, an SPI for configuration and diagnostics, as well as a step-direction interface.

The PD42-1-1243-IOLINK increases productivity by adjusting more device parameters on-the-fly. It provides access to load values and noise reduction parameters using StealthChop technology to dynamically optimises the actuator throughout its operation.

TMC2130-LA’s CoolStep power savings feature, combined with MAX22513’s low RDS(on) N-channel power MOSFETS are claimed to provide best-in-class power savings compared to other NEMA-17 IO-Link drives on the market

Eliminating external limit switches to detect hard stop conditions results in a solution size of 82cm³, making it the smallest IO-Link intelligent actuator available today, says Maxim.

The PD42-1-1243-IOLINK is available at Trinamic’s authorised distributors.

Maxim Integrated is an engineer’s engineering company. It has a portfolio of high-performance semiconductors, combined with tools and support to deliver essential analogue solutions including efficient power, precision measurement, reliable connectivity and robust protection along with intelligent processing.

Designers in application areas such as automotive, communications, consumer, data centre, healthcare, industrial and the IoT make up the company’s customer base.

http://www.maximintegrated.com

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