PRODUCTS MCUS & MPUS NEW DIGITALLY-ENHANCED POWER ANALOGUE CONTROLLERS A
new Digitally Enhanced Power Analogue (DEPA) controller,
designed to regulate current, regulate voltage, and monitor temperature has been released by Microchip, that is ideal for DC-DC conversion in server, consumer, industrial and automotive applications. The MCP19124/5 handles
configurable charging algorithms for any chemistry, with capabilities for cell balancing and super- capacitor charging. Users may develop their own charging methods and implement them as well. Any voltage, current, temperature, or duration can be used to trigger a transition to a new portion of the charge profile. These devices are also well suited for any DC-DC application requiring tight voltage or current regulation; capable of supporting flyback, boost, SEPIC, or Cuk topologies. Either the current control loop
can regulate to a specified target current, or the voltage control loop can regulate to a target voltage. Each analogue control loop has a
separate feedback network for independent pole-zero placement, and zero-cross detection for quasi- resonant operation. The ability to dynamically switch
from a voltage target to a current target, or vice-versa, by switching between the two control loops is possible. The internal architecture ensures this transition is monotonic, without glitching or transient events. This control configuration even allows for pre- positioning of the output voltage at open or no-load conditions, greatly minimising transients when a load is applied. The devices offer a full suite of configurable, adjustable performance parameters.
www.microchip.com
ARM MBED OS 5 SUPPORT MICROCONTROLLERS FUEL AUTOMATED DRIVING AND ELECTROMOBILITY
Infineon Technologies has launched the next generation of its Aurix microcontroller family. These microcontrollers offer a high level of integration and real-time performance that is claimed to be three times higher than that available today. With its high-performing hexa-core architecture and its advanced features for connectivity, security and embedded safety, the company’s TC3xx family is ideally suited for a wide field of automotive applications. In addition to engine management and transmission control, powertrain applications include new systems in electrical and hybrid drives. Specifically, hybrid domain control, inverter control, battery management, and DC-DC converters will benefit from the new architecture. These microcontrollers are well-suited to safety-critical applications ranging from airbag, braking and power steering to sensor-based systems using radar or camera technologies. The combination of performance and a powerful safety architecture is claimed to make the family ideal for domain control and data fusion applications supporting the next levels towards automated driving technologies. The devices are highly scalable and offer Flash memory sizes of up to 16MByte and more than 6MByte of
integrated RAM. Compared to today’s AURIX TC2xx microcontrollers with up to three TriCore cores, the TC3xx multicore architecture provides up to six TriCore cores, each with a full clock frequency of 300MHz. Four of the six cores feature an additional lockstep core enabling a new level of ISO 26262 functional safe computational power on a single integrated device: Up to 2400DMIPS performance supporting applications classified ASIL-D, compared to up to 740DMIPS with the previous Aurix architecture. The performance increase and the reuse of existing safety concepts is said to allow automotive system
suppliers to reduce development costs by some 20 percent and can improve time-to-market. Also, more functions can now be implemented on a single microcontroller, such as powertrain and chassis domain control and next generation radar and fusion algorithms.
www.infineon.com/aurix
u-blox has announced ARM mbed OS 5 support for its ODIN-W2 wireless IoT gateway module and the NINA-B1 (Bluetooth low energy module. The ARM mbed OS 5 incorporates a real-time operating system (RTOS) in the core of the operating system. This is an open environment that provides all the features you need to rapidly deploy and develop connected IoT products based on an ARM Cortex-M microcontroller, including security, connectivity, and drivers for sensors and I/O devices. On existing u-blox ODIN-W2 and NINA-B1 hardware, it is now possible to rapidly develop wireless IoT applications making it easier to cut costs, development time and device footprint.
www.u-blox.com
Rohm has recently announced a power management IC developed for the latest Intel processor (Apollo Lake), which has been designed for 2-in-1 tablets and cloud books where reduced power consumption and a thinner, smaller form factor are required. The BD2670MWV provides all power supplies needed by Apollo Lake platforms while contributing to lower power consumption. It is offered in an ultra-compact UQFN68AV8080 package (8.0x8.0mm, t=1.0mm) that helps reduces the number of components by some 38% and mounting area by some 33%.
www.rohm.com
AUTOMATED DRIVING KIT ACCELERATES DEVELOPMENT OF AUTONOMOUS-DRIVING
A highly automated driving (HAD) solution kit has been released by Renesas Electronics, targeted at automotive functional safety to help reduce development time of electronic control units (ECUs). The HAD solution kit is based on
Renesas’ R-Car H3 Starter Kit Premier and the automotive control RH850/P1H-C microcontroller (MCU), and is compliant with both ISO 26262 ASIL-B functionality safety standard and ISO 26262 ASIL-D standard. The new kit enables users to evaluate functions and software in an environment that is
1 NOVEMBER 2016 | ELECTRONICS 6
similar to the actual development of ECUs, thereby helping reduce time when porting software to the actual ECUs. This kit supports software development and
software verification, used for automotive ECUs. The solution kit provides the high computing
power required for autonomous driving, maintains a high level of safety, and ensures quality as it connects two Renesas’ R-Car H3 system-on-chip (SoC)-based starter kits and one RH850 P1H-C MCU through on-board high- speed interfaces and provides connection to peripherals using multiple external interfaces, such as CAN-FD, FlexRay and Ethernet.
www.renesas.com
/ ELECTRONICS
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