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Barometric absolute pressure sensor BMP581 from Bosch at Rutronik

Posted on by mixos

The BMP581 absolute barometer sensor from Bosch enables design flexibility and energy-efficient applications.

Bosch expands its pressure sensor product portfolio with the BMP581. The small, low-power, low-noise 24-bit sensor measures pressure absolutely as well as barometrically and is suitable for a variety of altitude tracking applications. Especially the small form factor of 2 mm x 2 mm x 0.75 mm provides a high degree of design flexibility for the development of GPS modules, drones, wearables, hearables, and IoT and industrial products. Likewise, the product is compatible with other Bosch Sensortec sensors, including the BMI270. In comparison to previous models, the sensor boasts improved performance, stability, and robustness. The Bosch BMP581 is available.

Bosch’s digital sensor covers a wide measurement range from 300 hPa to 1250 hPa. The BMP581 is suitable for high-performance applications such as fitness measurements with ±6 Pa, which corresponds to a height difference of ±50 cm, as well as an offset temperature coefficient (TCO) of 0.5 Pa / K.

Similarly, the component matches localization applications, such as in products for detecting the level of the ground during emergency calls (E-911), and also detects water levels and falls. The BMP581 features MEMS as well as SPI and I3C interfaces.

The average power consumption of the sensor is 1.3 μA @ 1 Hz pressure and temperature and 0.5 μA in low stand-by mode. Its absolute accuracy is ±30 Pa and the operating voltage is between 1.65 V and 3.6 V. In addition, the sensor impresses with a wide temperature range from -40 °C to 85 °C.

www.rutronik24.com

ADG1634L 4.7Ω RON, Quad SPDT Switch is 1.2V and 1.8V logic compliance

Posted on by mixos

Analog Devices’ ADG1634L 4.7 Ω RON, quad SPDT switch has 1.2 V and 1.8 V JEDEC logic compliance

ADI’s ADG1634L is a monolithic industrial CMOS (iCMOS®) analog switch comprising four independently selectable single-pole, double-throw (SPDT) switches. Each switch has an input signal range that extends to the supplies and each switch conducts equally well in both directions when on. In the off condition, signal levels to the supplies are blocked.

All channels display break-before-make switching action, preventing brief shorting when switching channels. An EN input on the ADG1634L enables or disables the device. The switch is enabled with a Logic 1 EN input; the INx input defines the state of the SPDT switch (see Table 12 in the datasheet). When the EN input is disabled, all channels are switched off.

Where low distortion is critical for data acquisition and gain switching applications, the ultralow on resistance and on-resistance flatness of the switch is ideal. The device is well suited for portable and battery-powered instruments due to its iCMOS construction ensuring ultralow power dissipation.

An external VL supply provides flexibility for lower logic control. The ADG1634L is both 1.2 V and 1.8 V JEDEC standard compliant.

The EVAL-ADG1634LEBZ is the evaluation board for the ADG1634L.

Features

  • 4.7 Ω typical on resistance for ±5 V dual supply at +25°C
  • 1.2 Ω on-resistance flatness for ±5 V dual supply at +25°C
  • 8.2 Ω maximum on resistance over temperature
  • Fully specified at ±5 V, +12 V, +5 V, and +3.3 V
    • ±3.3 V to ±8 V dual-supply operation
    • 3.3 V to 16 V single-supply operation
  • VL supply for low logic level compatibility
    • 1.8 V JEDEC standard compliant
    • 1.2 V JEDEC standard compliant
  • Rail-to-rail operation
  • 24-lead, 4 mm × 4 mm LFCSP

more information: https://www.analog.com/media/en/technical-documentation/data-sheets/adg1634l.pdf

ROCK 4 SE Single Board Computer 4GB LPDDR4 RAM Rockchip RK3399-T ARM Cortex-A72

Posted on by mixos

ROCK 4 SE is a reliable and high-performing single-board computer that offers class-leading performance and superior hardware as standard. This special edition board is based on a powerful Rockchip RK3399-T hexa-core processor, big.LITTLE™ Arm® Dual Cortex-A72® CPU, Arm Mali™ – T860MP4 GPU and 4GB 64bit LPDDR4 RAM. With onboard RTC, WiFi, Bluetooth, antenna, audio jack, 4K HDMI port, and many more, ROCK 4 SE provides an incredible performance solid as a ROCK!

Highlights

  • ROCK 4 SE – a robust, versatile special edition single-board computer
  • Based on a high-performing Hexa-core Rockchip RK3399-T processor
  • big.LITTLE™ Arm® Dual Cortex-A72® CPU, Quad-core Cortex-A53 and Arm Mali™ – T860MP4 GPU
  • Available in a 4GB 64bit LPDDR4 RAM option
  • Expandable with eMMC module or SSD through m.2 connector
  • Onboard RTC, WiFi, Bluetooth, Antenna, Audio jack (headphone and headset), 4K HDMI port
  • Developed by OKdo Technology in collaboration with Radxa

What Are the Key Benefits of the ROCK 4 SE? 

Powerful Rockchip processor  

A low-power high-performing Rockchip RK3399-T processor is embedded into the heart of the ROCK 4 SE board. Equipped with an Arm® big.LITTLE™ technology Dual Cortex®[email protected], Quad

CPU, Arm Mali™ – T860MP4 GPU and 4GB 64bit LPDDR4 RAM, be sure that your board will provide a high-performance solid as a ROCK!

Extensive storage capacity 

ROCK 4 SE offers you an immense advantage over other competitors’ boards, benefiting from extensive storage capability. It features a Micro SD card, an eMMC and an M.2 (M key), ensuring the board with a tremendous amount of additional storage capacity.

RTC (real-time clock)  

The onboard real-time clock allows you to accurately register the time even when the ROCK 4 SE is powered off. The board features an onboard connector for an RTC battery.

Multiple connectivity capabilities 

The board offers you multiple connectivity capabilities, including Bluetooth 5.0, WiFi, Gigabit Ethernet, USB and HDMI ports, and a built-in antenna, allowing you to widely incorporate ROCK 4 SE into your applications.

Highly compatible with SBC accessories 

ROCK 4 SE features an onboard 40P GPIO extension header, offering extensive compatibility with a wide range of SBC accessories.

Advanced multimedia functions 

The ROCK 4 SE is fitted with an Arm Mali™ – T860MP4 quad-core graphics processing unit (GPU), ideal for advanced multimedia applications, including games. The board incorporates camera and display interfaces, an HDMI port supporting displays up to 4Kp60 resolution, a high-quality audio output via a 3.5mm onboard audio jack that supports microphone input as default, and much more.

Why is ROCK 4 SE the perfect alternative to other popular SBCs?

  • Better performance – 4GB 64bit RAM, more processing cores and a broader memory interface,
  • Extensive storage capacity,
  • Similar form factor,
  • 40 pin GPIO extension header.

more information: https://www.okdo.com/p/rock-4-se-single-board-computer-4gb-lpddr4-ram-rockchip-rk3399-t-arm-cortex-a72

Synchronous MOSFET H-Bridge DC-DC controller with built-in protection features

Posted on by mixos

LITIX™ Power TLD5191ES is a synchronous 4 – switch buck-boost DC/DC controller with built-in protection features.

This concept is beneficial for driving high-power LEDs with maximum system efficiency and a minimum number of external components for automotive exterior lighting.

Key features

  • MOSFET 4 – switch buck-boost DC/DC controller for high power buck-boost LED control
  • Constant current and constant voltage regulation
  • Wide VIN range (4.5 V to 40 V)
  • Wide LED forward voltage range (Vout range from 2 V to 55 V)

Additional features

  • LED current accuracy +/-3% at Tj=25° C and 4% over the whole automotive temperature range
  • Switching frequency range from 200 kHz to 700 kHz
  • Maximum efficiency in every condition (up to 96%)
  • EMC optimized device: spread spectrum always active
  • Overvoltage, shorted LED fault, and over-temperature diagnostic outputs
  • Adjustable soft start
  • Enhanced dimming features: analog and PWM dimming (from digital input or sourced by embedded PWM engine)
  • Available in a small thermally enhanced TSDSO-24 package
  • Automotive AEC Qualified

more information: https://www.infineon.com/cms/en/product/power/lighting-ics/litix-automotive-led-driver-ic/litix-power/tld5191es/

Nexperia NXT4557 SIM Card Interface Level Translator with ENABLE pin

Posted on by mixos

Nexperia NXT4557 SIM Card Interface Level Translator is built for interfacing a SIM card with a single low-voltage host-side interface. The NXT4557 consists of three-level translators to convert the data, RST, and CLK signals between a SIM card and a host microcontroller. The translator features a high-speed level translation capable of supporting class-B, class-C SIM cards, and HIGH EN pin that enables the normal operation of the translator. The device is compliant with all ETSI, IMT-2000, and ISO-7816 SIM/Smart card interface requirements. Typical applications include a wide range of SIM card-attached devices, including mobile and personal phones, wireless modems, and SIM card terminals.

Features

  • Support SIM cards and eSIM with supply voltages 1.62V to 3.3V
  • 1.08V to 1.98V host micro-controller operating voltage range
  • Automatic level translation of I/O, RST, and CLK between SIM card and host side interface with capacitance isolation
  • Incorporates shutdown feature for the SIM card signals according to ISO-7816-3
  • High Vdis(UVLO_AC) switching level, arranging quick shut down when VCC_SIM powers down
  • Integrated pull-up resistors; no external resistor required
  • Integrated EMI Filters suppress higher harmonics of digital I/Os
  • A HIGH EN signal enables the translation of the signals
  • Low current shutdown mode <1μA
  • Supports clock speed beyond 5MHz clock
  • Pb-free, Restriction of Hazardous Substances (RoHS) compliant, and free of halogen and antimony (Dark Green compliant)
  • ESD protection:
    • HBM ANSI/ESDA/JEDEC JS-001 exceeds 2kV
    • CDM ANSI/ESDA/JEDEC JS-002 exceeds 1kV
    • IEC61000-4-2 level 4, contact and air discharge on all SIM card-side pins are 8kV and 15kV
  • Available in a 10-pin XQFN package

Block Diagram

Application Circuit


more information: https://www.nexperia.com/products/analog-logic-ics/asynchronous-interface-logic/voltage-translators-level-shifters/series/NXT4557.html

7GHz differential probe matches Rigol’s top-end Oscilloscopes

Posted on by mixos

Rigol has created a 7GHz differential probe to go with the 5GHz DS70000 oscilloscopes that it announced at the beginning of the year.

Called PVA8000, the probe also comes in a 3.5GHz variant, and there are single-ended types. Inside is the same ‘Phoenix’ ASIC that the company designed for the scopes.

“As soon as you connect a probe to the DS70000, it is automatically recognized by the oscilloscope and a calibration is requested, which can be carried out on the oscilloscope,”

according to the company.

Typical minimum rise time is 70ps, and the (frequency-dependent) common-mode rejection can be as high as 40dB. The inputs present 50kΩ to differential sources (25kΩ single-ended).

“With the differential version, the distance between the tips can be adjusted quickly,” according to the company. “You can also store three different distances and call them up again automatically at the push of a button.”

LEDs on the probes show the same color as the scope’s input channel.

To help reach a variety of physical situations, four different probe heads are included.

The single-ended probe has three different probe tips for a thermistor and four different terminals for the ground connection. Three replacement pins are supplied as standard.

“In addition, an additional probe is available for both variants, where the wires can be soldered to the device-under-test,” said Rigol. “Here, too, a replacement wire and a ruler for measuring the exact length of the replacement wire are included as standard.”

more information: https://www.rigol.eu/Public/Uploads/uploadfile/files/20220207/20220207230814_620135deef3e3.pdf

Orolia ruggedises mini rubidium atomic clock

Posted on by mixos

Orolia has introduced a ruggedised version of its mRO-50 miniature (51 x 51 x 20mm) rubidium atomic clock.

Called ‘mRO-50 Ruggedized’, its vibration rating has been raised from 4Grms to 7.7Grms (lock retained, MIL-STD-810H method 514.8 annex E – was annex C), and shock raised from 30G to 50G (MIL-STD-202G 11ms half sine) – qualification to the shock rating is still on-going, according to the datasheet.

Maximum temperature of the thermal chamber (with air flow around unit) is now -40 to +80°C, which was an option on the standard model – which is normally rated only -10 to 60 or +65°C.

Timing specifications include one-day hold-over <1µs, said Orolia. Lock is <2 minutes at over the full temperature range.

The unit weighs 80g and consumes 45mW (1.5W at start) in the 5V version and 360mW (1W) in the 3.3W version.

Underwater, military communications, radar, low earth orbit, electronic warfare, airborne and unmanned vehicle applications are forseen.

Based in Neuchatel Switzerland, Orolia was founded in 2006 and has supplied timing products to ESA, NASA, JPL, Space-X, Blue Origin, NPL, CNES, DLR and JAXA. ESA awarded itcontracts to provide atomic clocks for the first 12 satellites for the Galileo 2nd generation. – each satellite will contain three of its Rubidium atomic frequency standards and two of its atomic clock physics packages integrated with Leonardo’s passive hydrogen masers.

more information: mRO-50 Ruggedized product page

New Vishay Intertechnology UVC Emitting Diodes in Ceramic / Quartz-Based Package

Posted on by mixos

Devices Combine Typical Radiant Power of 37 mW With a Longer Service Life of 27 000 Hours and a Shorter Typical Wavelength of 274 nm for Higher Disinfection Efficiency.

Vishay Intertechnology, Inc. today introduced two new UVC (short wavelength ultraviolet) emitting diodes in a ceramic / quartz-based package for sterilization in medical, industrial, and consumer applications. Compared to previous-generation solutions, the Vishay Semiconductors VLMU35CR40-275-120 and VLMU35CR41-275-120 deliver higher radiant power at a lower cost, while offering higher disinfection efficiency and longer service life.

The devices released today feature high typical radiant power of 37 mW at 250 mA, which in terms of mW/$ performance is 30 % higher than lower power emitter diodes and 12x better than previous-generation solutions. In addition, the VLMU35CR41-275-120 provides a minimum radiant power of 30 mW at 250 mA, which is the same as the closest competing device at 350 mA.

Product Benefits:

  • Delivers an extremely long lifetime
  • Features a compact 3.5 mm by 3.5 mm by 1.2 mm surface-mount package with a quartz window
  • Emission angle of ± 60°
  • High radiant power to 3.2 mW at 20 mA or 7.5 mW at 50 mA
  • Maximum forward voltage of 6.5 V
  • Wavelength range of 265 nm to 285 nm
  • Forward current up to 70 mA
  • RoHS-compliant, halogen-free, and Vishay Green
  • Compatible with reflow soldering processes
  • Features a Moisture Sensitivity Level of 3 in accordance with

The emitter diodes offer a wavelength range of 265 nm to 280 nm, with a typical wavelength of 274 nm. Not only is this suitable for direct disinfection of surfaces, air, and static water, but compared to 280 nm solutions, the VLMU35CR40-275-120 and VLMU35CR41-275-120 deliver 20 % higher sterilization efficiency. Available in a compact, thermally optimized surface-mount 3.45 mm by 3.45 mm by 1.7 mm package with a ceramic substrate and quartz window, the devices ensure a long service life of 27 000 hours at 250 mA and 25 °C.

Built on AlGaN technology, the VLMU35CR40-275-120 and VLMU35CR41-275-120 are designed to replace low-pressure UVC mercury tubes, especially in compact designs where small components are required. Typical end products will include sterilization devices for ear buds, toothbrushes, water bottles, refrigerators, air purifiers, door handles, medical instruments, coffee machines, ATMs, toilet seats, vacuum cleaners, and more.

The devices feature DC forward current up to 300 mA, forward voltage down to 5.2 V, and an emission angle of ± 60°. RoHS-compliant, halogen-free, and Vishay Green, the VLMU35CR40-275-120 and VLMU35CR41-275-120 are compatible with reflow soldering processes and feature a Moisture Sensitivity Level of 3 in accordance with J-STD-020.

Samples and production quantities of the new UVC emitting diodes are available now, with lead times of eight to 16 weeks.

more information: https://www.vishay.com/files/whatsnew/doc/npi_190708-NPI-VLMU35CL..-280-120.pdf

Cerebras Systems Sets Record in the Field of AI Training

Posted on by Saumitra Jagdale

Cerebras CS2

Cerebras Systems recently achieved an incredible milestone in the field of Artificial Intelligence (AI) model training. Cerebras announced the ability to train multi-billion parameter AI models on a single CS-2 system.

The Cerebras Systems claims to be able to train complex Natural Language Processing (NLP) models with up to 20 billion parameters on a single CS-2 System. Hence, reducing the system engineering time to train large AI models from months to minutes.

In NLP, the models trained on a larger amount of data perform more accurately than those trained on smaller datasets. Conventionally, the training of AI models involves the batch-processing approach. The batch-processing approach involves splitting up the data over a number of smaller processing units. Batch processing reduces the load on particular hardware and training time. However, the new record set by the Cerebras Systems enables the training of multi-billion parameter AI models on a single CS-2 System with enhanced computational speed.

Cerebras CS-2 System

As stated by Andrew Feldman, CEO, and Co-founder of Cerebras Systems, they are

“Proud to democratize access to GPT-3 1.3B, GPT-J 6B, GPT-3 13B, and GPT-NeoX 20B, enabling the entire AI ecosystem to set up large models in minutes and train them on a single CS-2”.

This engineering marvel is achieved by the amalgamation of the computational resources and small size of the Cerebras Wafer Scale Engine-2 (WSE-2) and the Weight Streaming software architecture enhancements made available by the Cerebras Software Platform, CSoft’s release of version R1.4. The Cerebras WSE-2 is one of the largest processors ever built. The computational resources of the WSE-2 enable the training of huge AI models without splitting the data over multiple GPUs.

Training Multi-Billion Parameter AI Models on a Single CS-2 System in Minutes

With the new Cerebras WSE-2, training of multi-billion parameter NLP models over a single CS-2 System is possible. The powerful WSE-2 along with the Weight Streaming software architecture enables the training and evaluation of huge AI models without the requirement of load distribution or batch processing over multiple GPUs. Moreover, it reduces the system engineering required from months to minutes. The Cerebras Systems’ WSE-2 is a revolution in the field of AI model training and evaluation.

You can learn more about the product on the Cerebras Systems’ website.

The GENE-ADP6 – Introducing Intel® Alder Lake Processing Power, DDR5, and 8K Resolution Display to the 3.5” SubCompact Board

Posted on by mixos

With a 15% boost in CPU performance, 50% faster data transfer speeds, and four independent displays with Intel Iris® Xe Graphics, the GENE-ADP6 is the perfect board for machine vision solutions.

AAEON’s new GENE-ADP6 unlocks the door to elite edge computing, digital signage, and machine vision applications with enhanced features across the board. The GENE-ADP6 provides a 15% improvement in CPU performance through the Intel® 12th Generation Core™/Celeron® CPU (formerly Alder Lake-P), featuring hybrid platform processor architectures with up to 12 cores and 16 threads.

Along with an improvement in CPU power, the GENE-ADP6 shows greater AI-readiness, with Intel’s Deep Learning Boost AI accelerator providing enhanced inferencing capabilities to make the GENE-ADP6 perfect for 5G and AI edge computing.

For faster, more advanced storage speeds, the GENE-ADP6 introduces 64GB system memory via two dual-channel DDR5 SODIMMs, being AAEON’s first 3.5″ SubCompact Board to do so. This improvement from DDR4 to DDR5 offers up to 50% faster data transfer speeds and a new, more efficient power management structure.

The GENE-ADP6 supports M.2 3052/3042 and M.2 2230 modules, enabling 5G and Wi-Fi for enhanced application connectivity. Additionally, the board’s FPC expansion slot provides sophisticated, high-performance PCIe x4 (Gen 4) speed. This also gives users the flexibility to expand the board’s additional PCIe x4 slot for machine vision, smart retail and industrial automation applications.

This is all supported by AAEON’s dense, yet intricate I/O featuring three USB 3.2 slots, four USB 2.0 slots, and a display interface for four independent displays with Intel Iris® Xe Graphics. It is this combination of features that AAEON believes will see the GENE-ADP6 become the foundation for more refined digital signage and machine vision solutions.

For more information about the GENE-ADP6, please visit our product page or contact the AAEON sales team.

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