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Scanner surveys RF fields near ICs, detects hot spots To fathom out the intensity and distribution of high frequency electromagnetic fields in the immediate surroundings of integrated circuits and small modules, Langer EMV GmbH has developed the ICS 105 IC desktop scanner. The device is designed to be used together with the vendors ICR near-field micro probe to measure the fields above integrated circuits (ICS 105 GND set) and small modules (ICS 105 UH set). The analysis of an IC’s near fields provides a better understanding of what happens inside the IC at high frequencies. The measurements help analyse an IC’s emission problems and pinpoint its areas which are responsible for the emissions. Depending on the ICR near-field microprobe used, a magnetic or an electric field is measured in an area of 50x50x50 mm and shown on the PC with the CS scanner software. The ICR near-field microprobe can be rotated automatically by 360 degrees with the rotary axis to determine the direction of the magnetic field. A video microscope helps position the near-field microprobe above the object to be measured. Thanks to the ICS 105 scanner’s minimum increment of 10μm, the measurement offers a high resolution. The ICR near-field microprobes measure RF fields in the frequency range between 1.5 MHz and 6 GHz and achieve a measurement resolution of approximately 50μm. Langer EMV GmbH www.langer-emv.com Motor pre-driver chip meets ASIL-D Meeting the highest safety level (ASIL-D) in the nomenclature of functional safety standard ISO 26262, Toshiba Electronics’ brushed motor pre-driver IC TB80507FG is suited for even the most critical applications in cars such as power steering. The TB80507FG integrates a pre-driver, dual motor current detection circuit that converts motor current to voltage and output to MCU, It also integrates motor direction detection circuitry that detects whether external MOSFETs turn on or off normally and output the direction information to MCU. Various failure detection circuits include as VB undervoltage detection circuit, VDD undervoltage detection circuit, over temperature detection circuit, and short circuit detection circuitry. Additionally, functions including motor current detection circuit, power supply pin, and GND pin are made redundant to secure higher robustness. In order to accommodate the possibility of a voltage drop caused by cranking after idling reduction, the battery operation voltage range has been reduced to 5V (min.) compared to the 6V (min.) of the predecessor product. The built-in motor current detection circuit and motor direction detection circuit simplifies system design and reduces PCB size. Customers can set the system to respond to detected failures in one of two ways, using the input setting of the SEL pin. Housed in a LQFP48-P-0707-0.50C package measuring 9.0x9.0x1.6mm, the IC supports an operating voltage range of +5 to 21V and has an operating temperature range of -40°C to 125°C. Toshiba Electronics www.toshiba.semicon-storage.com Rotary Switches Online stocks Elma’s multi wheel devices Essex based specialist distributor of rotary switches and accessories for industrial and audiophile applications, is now stocking the compact and multi-function Elma Multi Wheel rotary switch, a miniature encoder with 8+1 joystick function for one-finger control. This advanced HMI product is a Hall Effect sensed encoder with magnetic indexing over 12 detents and has a centre button with 8 joystick directions and centre push function. Sealed to IP66 for rugged applications other standard features include, LED backlit illumination (RGB) which can be programmed to change colour with each switch activation, 3VDC operation, UART output, LED control interface, 6 positions ZIF or solder pads connection and a full metal front-end in clear or black. Options available include custom front-end shape and colour, alternative connectors, cabling and pinning and IP67 or IP68 sealing. The ELMA Multi Wheel rotary encoder has an operating temperature range of -20 to +70°C and working life of 1,000,000 encoder revolutions and 500,000 joystick actuations and can be mounted to the front or rear of control panels. Rotary Switches Online is a subsidiary of Foremost Electronics Ltd specialist agents and distributors of electromechanical components and enclosures. Rotary Switches Online rotaryswitchesonline.com EDA tool automates exploration and design of application-specific instruction sets Synopsys’ ASIP Designer tool speeds development of application specific instruction set processors by a claimed factor of five. Automatic generation of a software development kit in parallel with the hardware model enables rapid architectural exploration to optimise ASIPs for power, performance and area. ASIP Designer speeds the design of application specific instruction set processors (ASIPs) and programmable accelerators, with a language based approach that allows the automatic generation of synthesisable RTL and software development kits (SDKs) from a single input specification, accelerating the processor design and verification effort by up to five times compared to traditional manual approaches. ASIPs are deployed in a wide range of signal processing intensive applications, including wireless base stations, mobile handsets, audio processing, image processing and cloud computing. ASIP Designer enables users to explore multiple processor architecture alternatives in minutes. Using a single input specification in the nML language, the tool automatically generates both the synthesisable RTL of the processor as well as an SDK that includes an optimising C/C++ compiler, instruction set simulator, linker, assembler, software debugger and profiler. This ensures consistency of the hardware and the SDK at all stages of the design process. Synopsys www.synopsys.com 48 Electronic Engineering Times Europe April 2015 www.electronics-eetimes.com


EETE APR 2015
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