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Miniature high voltage reed relay from Pickering now rated up to 150°C
Series 104HT suits a wide range of applications including EVs, solar, HV instrumentation IC testers and more.
Pickering Electronics, a renowned company for its remarkable advancements in reed relay miniaturization and superior performance over the past 50 years, today launched a new high temperature high voltage single-in-line reed relay that can operate at up to 125°C. The new Series 104HT relay belongs to a family of miniature high voltage reed relays and is available in the SIL package on a 6.35mm (0.25in) pitch, with a stand-off voltage capability of up to 4kV.
“High temperature can significantly affect the performance of reed relays, and many devices are only able to operate at up to 85°C. By designing these devices with increased magnetic drive and using specialist potting materials to sustain insulation resistance, Pickering can now offer reed relays that perform at elevated temperatures, and which can be stored at up to 150ºC.” Said Kevin Mallett, Technical Specialist at Pickering Electronics. The Pickering Series 104 reed relays feature internal mu-metal screening, effectively countering any magnetic interference. As an added option, electrostatic shielding is also available. These versatile relays come in a range of configurations, including 1 Form A, 2 Form A & 1 Form B, and can be fitted with coils of either 5, 12 or 24V, with optional internal diode protection.
Pickering Electronics
Power Integrations Releases Ground-Breaking 1250-Volt GaN Switcher IC
InnoSwitch3-EP 1250 V ICs underline company’s continued leadership in high voltage GaN technology
Power Integrations (NASDAQ: POWI), the leader in high-voltage integrated circuits for energy-efficient power conversion, today released the world’s highest-voltage, single-switch gallium-nitride (GaN) power supply IC, featuring a 1250-volt PowiGaN™ switch. InnoSwitch™3-EP 1250 V ICs are the newest members of Power Integrations’ InnoSwitch family of off-line CV/CC QR flyback switcher ICs, which feature synchronous rectification, FluxLink™ safety-isolated feedback and an array of switch options: 725 V silicon, 1700 V silicon carbide, and PowiGaN in 750 V, 900 V and now 1250 V varieties. The switching losses for Power Integrations’ proprietary 1250 V PowiGaN technology are less than a third of that seen in equivalent silicon devices at the same voltage. This results in power conversion efficiency as high as 93 percent – enabling highly compact flyback power supplies that can deliver up to 85 W without a heatsink. Radu Barsan, vice president of technology at Power Integrations, said: “Power Integrations continues to advance the state of the art in high-voltage GaN technology development and commercial deployment, rendering even the best high-voltage silicon MOSFETs obsolete along the way. We were first to market with high-volume shipments of GaN-based power-supply ICs in 2019, and earlier this year introduced a 900-volt version of our GaN-based InnoSwitch products. Our ongoing development of higher voltage GaN technology, illustrated here by our new 1250 V devices, extend the efficiency benefits of GaN to an even wider range of applications, including many currently served by silicon-carbide technology.”
Power Integrations, Inc.
www.power.com
CGD forms GaN eco-system with Chicony Power and Cambridge University Technical Services
Expertise in systems and applications, research and devices to yield innovative, high-performance GaN-based notebook and data centre power products
Cambridge GaN Devices (CGD), the fabless, clean-tech semiconductor company that develops a range of energy- efficient GaN-based power devices to make greener electronics possible, has signed a tripartite agreement with Chicony Power Technology Co., Ltd (TWSE: 6412) of Taiwan and Cambridge University Technical Services (CUTS), UK, to conceive and develop advanced, efficient, high power-density adapters and data centre power products using GaN. Chicony Power is a well-established total solution provider of power electronics systems focusing on power supplies and adapters for various applications, including notebooks, desktop computers, gaming devices, and server/cloud solutions. Prof. Florin Udrea, the head of the High Voltage Microelectronics and Sensor (HVMS) group at Cambridge University will act as the lead consultant on behalf of CUTS. The HVMS group at Cambridge University has a history of 25 years in power device design, TCAD simulations and characterisation of power devices. The three parties will collaborate around a technical project entitled ‘Innovative low power and high power SMPS (switch mode power supplies) with advanced GaN solutions’.
Cambridge GaN Devices
www.cieonline.co.uk www.camgandevices.com
www.pickeringrelay.com
Highly reliable and compact MIL-DTL-M24308 connector series from Positronic in stock at Powell Electronics
Available through Powell Electronics, the supplier of connectors and more for high-rel applications including defence, aerospace and industrial, is the highly reliable, compact and fully QPL approved MIL-DTL-M24308 connector series from Positronic. The devices are an ideal option for applications where space and weight are at a premium, e.g. in high-density packages in military applications like military equipment, ground support devices and computer peripheral equipment. Other key target applications include modems, information systems, communication systems, industrial instrumentation as well as space flight equipment.
The M24308 connectors from Positronic benefit from a very wide operating temperature range from -55°C up to +125°C. The components feature a standard or high- density layout, a wide variety of termination styles (crimp, solder cup, and straight or right-angle PCB mount), several contact variants (fixed contacts, size 20 crimp removable contacts, size 22 fixed and removable contacts), different package sizes and creative accessories.
For further info please visit:
https://www.powell.com/content/Positronic-3100042550 Powell Electronics
Add BT/BLE connectivity to any embedded application MIKROE adds u-blox ANNA-B412 Click board
MikroElektronika (MIKROE), the embedded solutions company that dramatically cuts development time by providing innovative hardware and software products based on proven standards, has introduced ANNA-B412 Click, a compact add-on board that provides BT/BLE connectivity for any embedded application. It features the u-blox ANNA-B412, a standalone Bluetooth 5.1 low-energy module. This System-in-Package (SiP) design with pre-flashed u-connectXpress software supports Bluetooth LE Serial port service, GATT client and server, Bluetooth beacons, Bluetooth long- range, NFC, and simultaneous peripheral and central roles. In LE mode, the Bluetooth module can achieve up to 2Mbps data rates. To optimize power consumption, the module supports Active, Standby, and Sleep modes.
Comments Nebojsa Matic, CEO of MIKROE: “This Click™ board is perfect for the development of industrial automation, smart building applications, low-power sensors, wireless-connected and configurable equipment, and more. One of the main features of this module is the Angle of Arrival (AoA) and Angle of Departure (AoD) with the support of a Bluetooth 5.1 Direction Finding service. These features can be used for indoor positioning, wayfinding, asset tracking, and more.” The ANNA-B412 module is powered by the nRF52833 from Nordic Semiconductor, which includes an integrated 2.4GHz transceiver with +8dBm output power and powerful Arm Cortex-M4 with FPU processor. In addition, it is equipped with 512kB of flash memory and 128kB of RAM. For a Bluetooth connection in a 2.4GHz frequency band, ANNA-B412 Click is equipped with a printed PCB antenna that supports 40 channels. The Bluetooth antenna has +9dBm of maximum radiated output power. For NFC, ANNA-B412 Click is equipped with a u.Fl connector, and can operate as a 13.56MHz NFC tag at a bit rate of 106Kbps.
MikroElektronika
NeoCortec releases new NeoMesh protocol stack version 1.6 firmware
Enables easy integration of Sensirion SHT4xA sensors to build cost-effective ultra-low power wireless temperature and humidity sensors
NeoCortec, manufacturer of ultra-low-power bi- directional wireless mesh network modules, has released an updated NeoMesh protocol stack version 1.6 firmware for its NC2400 and NC1000 module series to support new Sensirion SHT4xA temperature & humidity sensor series. The firmware of the NC2400 and NC1000 modules already includes a generic application layer which can be configured to sample a broad range of sensors so that no programming is required to implement a wireless sensor device. The release of the new version 1.6 firmware now enables easy integration of Sensirion SHT4xA sensors to significantly broaden the options to build cost-effective ultra-low power wireless temperature and humidity sensors for use across large areas e.g. in smart building or agriculture applications. NeoCortec develops a range of tiny modules that enable the collection of data over large areas and benefit from an average power consumption as low as 20 microamps, meaning that modules can run for years on two AA batteries. The NeoMesh modules are all equipped with radio and can simply be positioned as required, e.g. around a building or a set of buildings. To start building a NeoMesh network you only need to switch on two nodes and the network starts to establish itself. Additional nodes added will automatically join the existing network and will start expanding it with regards to the number of devices and in range.
NeoCortec Components in Electronics
www.neocortec.com November 2023 61
www.mikroe.com
www.powell.com
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