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Front End | News


Itron UK’s electronic display innovation used for COVID applications


G P


reat Yarmouth-based Itron (UK) is successfully able to design-in bespoke display solutions to OEMs.


One such customer, KBiosystems manufactures equipment used in detecting COVID variants with its wide range of sample sealers employing 4.3 inch and 7 inch display modules. A typical sample tray consists of 225 compartments, which, once loaded, requires a foil heat seal to be applied


to prevent contamination. The latest designs use Itron’s modular system solution with stepper motor drive, temperature measurement and heating sub-modules controlled by the display module operating iDevOS via internal serial CAN and I2C interfaces. The stepper motor module uses a local AVR CPU and watchdog to, firstly, monitor safety interlocks, to control the motor and to enable heating to provide a fail-safe solution.


Another customer, Monmouth Scientific, manufactures Clean Air Cabinets which guarantee a highly clean environment in which to analyse thousands of swabs from COVID Test Centres. Both 4.3 inch and 7 inch display modules are used across a range of products to set flow rate, filter change and other parameter settings.


www.noritake-itron.com


Automotive-qualified high-voltage switcher ICs with 1700 V SiC MOSFET


ower Integrations has added two new AEC-Q100 qualified, 1700-volt rated ICs to its InnoSwitch3-AQ family. The new devices are said to be the industry’s first automotive-qualified switching power supply ICs to incorporate a silicon carbide (SiC) primary switching MOSFET. Delivering up to 70 watts of output power, the new ICs are targeted for use in 600- and 800-volt battery and fuel-cell electric passenger vehicles, as well as electric buses, trucks and a wide range of industrial power applications. Highly integrated InnoSwitch ICs are said to reduce the number of components required to implement a power supply by as much as 50 per cent, saving significant circuit-board space, enhancing system reliability and mitigating component sourcing challenges. Devices from the InnoSwitch family are now


Advanced Interconnection_CIE 210x130 ad template 13/10/2021 11:31 Page 1


available with a choice of cost- effective silicon, high-efficiency gallium nitride (GaN) and high- voltage SiC transistors, permitting designers to optimize their power solution across a broad range of consumer, computer, communications, industrial and automotive applications. Peter Vaughan, director of automotive business development at Power Integrations, said: “800-volt batteries are becoming standard for EVs. Multiple vehicle systems are connected to this powerful electrical source, yet delicate electronic control circuits require just a few volts for operation and communication. InnoSwitch devices allow the electronics to safely sip from the firehose


of energy available on the main bus, using minimal board area and without wasting energy. Most exciting is the opportunity to dramatically simplify the emergency power supply for the main traction inverter, which may be called upon at a moment’s notice to


operate from any voltage between 30 volts and 1000 volts. Our SiC-based InnoSwitch3- AQ devices handle this vast range with incredible ease.”


www.power.com


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