Author Archives: steve bush

EPC has 40V GaN fets for low-voltage servers

EPC has introduced a 40V 1.6mΩ GaN fet for high power density applications including servers running from 48 – 54V. Called EPC2069, it is “designed for the secondary side of the LLC dc-dc converter from 40 – 60V to 12V, which is becoming common for the new 48V – 54V input servers required for high ...

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Space-saving 2.5GHz antenna connector

Hirose has introduced a small 2.5GHz antenna connector for automotive use, smaller than its own GT5 series. VSWR is 1.5 or less from dc to 2.5GHz. Employing one-step crimp termination, it is called the GT21 Series. Coaxial wires up to 3.1mm across can be accommodated. “Crimp termination enables the cable assembly to be completed without touching the ...

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UK made: E3D 3D printing hot-end has tool-free nozzle change

E3D has announced a replacement for its much-copied V6 3D printing hot end, which will be made in-house rather than by sub-contractors. The UK-based company is a globally-significant hot-end producer for professional users, with companies including Prusa, Lulzbot and even Creality in China incorporating its products. Its new hot-end is branded Revo, and is an ...

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Pico-ITX i.MX 8M Minisingle board computer

iWave has launched a single board computer based on NXP i.MX 8M Mini applications processor in a PICO-ITX form factor. Called iW-RainboW-G34S, it supports Linux 5.4.70, Ubuntu 20.04, Buildroot 2021.02 and Android 11. It is designed for multimedia processing with low power in embedded consumer and industrial applications. Arm Cortex-A53 cores up to 1.6GHz are ...

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13.3in TFT display for industrial and medical use

Review Display Systems (RDS) has introduced a 13.3in TFT display module for industrial use. Made by Tianma, the P1330FHF1MA00 is an HD display 1,920 x 1,080 pixels, 16:9 aspect ratio) with in-plane switching. “Tianma P-series display modules have been designed and developed to deliver exceptional optical performance and meet the requirements of the industrial and ...

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100V mosfet relay leaks only 1pA at 80V

Omron has released 100V and 800mA versions of its low-leakage ‘T-configuration’ mosfet relay modules. “T-modules offer the reliability and durability of solid state relays combined with an exceptionally low leakage current of just 1pA or less, allowing their use in measurement and other applications where mechanical relays have previously been preferred,” according to the company. G3VM-101MT ...

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Low-noise medical chip acquires ECG, respiration, blood oxygen and pulse

Analog Devices is aiming at wearable patient monitoring devices with an analogue front-end for four vital signs: electrocardiogram, heart rate, blood-oxygen saturation and respiration rate. The chip, MAX86178, does this with three channels, one each for: photodiodes (optical PPG for blood oxygen and heart rate), voltages (electrocardiogram (‘ECG’ or ‘EKG’) and alternative heart rate) and bio-impedance ...

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1.2kV dual gate driver for SiC mosfets

Microchip has announced a 1,200V dual digital gate driver for electric transport. Called AgileSwitch 2ASC-12A2HP, “the gate driver provides multiple levels of control and a higher level of protection for silicon carbide mosfet-based power systems,” according to the company. “Key performance attributes include the ability to dampen drain-source voltage overshoots and slash switching losses”. The driver ...

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Intersolar: Delta to show 3-phase 250kW 1.5kV solar inverter

Delta has announced a three-phase 250kW solar string inverter with an input range of 550 to 1,500Vdc “specially designed for huge ground-mounted photovoltaic plants in the upper megawatt range”, according to the company. “Features such as anti-PID and pro-electroluminescence detect problems with PV modules.” Called M250HV, up to 30 dc strings can be connected to its ...

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Industrial-grade single-axis MEMS accelerometers

Silicon Designs has introduced two series of industrial-grade single-axis MEMS capacitive accelerometer chips Model 1521 is offered in eight standard ranges from ±2g to ±400g. Each has a ±4V differential output and comes in a choice of 20pin LCC or J-lead surface mount packages, both of which are nitrogen gas-damped, hermetically sealed and RoHS compliant. “The ...

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