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Medical and Healthcare

New Low-Power PIC24 “GA7” Microcontroller Family Now Available

Microchip’s New Low-Power Family Enables Cost-Effective, Space-Constrained Designs

The new PIC24 “GA7” family of microcontrollers (MCU) is now available from Microchip Technology Inc. (NASDAQ: MCHP), a leading provider of microcontroller, mixed-signal, analog and Flash-IP solutions. As the lowest-cost 256 KB Flash memory 16-bit MCUs available today, these PIC24 devices enable extremely cost-effective designs for Internet of Things (IoT) sensor nodes, portable medical devices and industrial control applications. For more information about Microchip’s PIC24 “GA7” family visit: http://www.microchip.com/pic24ga705

Maxim Reference Design Speeds Development of Wearable Heart-Rate and Pulse-Oximetry Monitors

Developers of heart rate and blood oxygen (SpO2) monitors can now accelerate their efforts using the ultra-small MAXREFDES117# reference design from Maxim Integrated Products, Inc. (NASDAQ: MXIM).

This optical heart-rate module reference design incorporates red and infrared LEDs, a sensor, power subsystem, and logic level translation. Measuring 13mm x 13mm, this tiny, low-power board can be placed on a finger or earlobe to accurately detect heart rate and SpO2 via personal wearable devices. The module works with both Arduino® and ARM® mbed™ platforms for ease of design, testing, and system integration, and includes eight "tap pads" for quick electrical connection to a development platform and/or wearable garment.

New Line of USB 2.0 and 3.0 Connectors Expands CUI’s Interconnect Portfolio

CUI’s Components Group today announced an expansion to its existing portfolio of power, audio and signal connectors with the addition of a USB product line. The new connector family incorporates USB 2.0 and 3.0 connectors available in Type A, Type B, Micro AB, Micro B, Mini AB and Mini B USB versions. Able to support data rates up to 5 Gbps in USB 3.0 models, the new product family is ideal for a variety of I/O applications in consumer and portable electronic devices, including mobile computing equipment, digital audio devices and high volume storage products.

Analog Devices and Dell EMC Collaborate on IoT Solution for Monitoring Real-Time Health and Safety of First Responders in Dangerous Conditions

Analog Devices, Inc. and Dell EMC today unveiled a proof of concept (POC) for an Internet of Things (IoT) solution that tracks the health and location of first responders. The POC IoT solution is designed to improve the safety and effectiveness of first responders when involved in an emergency situation, especially those in harsh environments. According to the National Fire Protection Association, more than 60,000 fire fighter injuries in North America alone are reported annually, of which 25 percent are as a result of overexertion or strain.

The POC IoT solution tracks the location and vital signs of first responders at all times in or outside of buildings. A smart, wearable sensor-equipped vest is worn by personnel to monitor useful health metrics including breathing rate, breathing volume, and heart rate. A connected boot tracks location and movement. By identifying potential worker health issues immediately and tracking lone workers via these metrics, emergency teams can be healthier, safer, and more efficient. All the relevant vest and boot data are collected by an edge gateway device and relayed via a mobile network to a private, secure cloud. The results from multiple personnel are then displayed on a portal via a dashboard for access by control teams who may be at the emergency site or in a central control location. The data is analyzed to monitor worker health and enable a fast response to ensure their safety. Historical analysis of vital signs over multiple responses safeguards continued welfare of safety personnel.

STMicroelectronics Reveals High-Efficiency Wireless Battery-Charging Chipset for Smaller, Simpler, Sealed Wearables

A miniaturized wireless battery-charging chipset from STMicroelectronics saves space, simplifies enclosure design and sealing, and accelerates time to market for ultra-compact sports wearables, wellness monitors, medical sensors, and remote controllers. The combination of ST’s STWBC-WA charging-transmitter controller and STWLC04 wireless battery-charger receiver enables power transfers up to 1W with smaller coils than any other chipsets in the market: just 11mm diameter coils on the receive side and 20mm for the transmitter allow tinier, slimmer form factors. Power-transfer capability can be increased to 3W by using larger coils and a full-bridge circuit on the transmitter side. Eliminating any need for a conventional charging connector simplifies enclosure design and eases sealing to prevent contamination by dirt or moisture.

Renesas Electronics Introduces Low-Power RL78/G11 Microcontrollers to Accelerate Prototyping and Development for Compact Sensor Hub Applications in Industrial, Healthcare and Agricultural Industries

General-Purpose Microcontrollers Equipped in 24-Pin Compact Package Support Up to 13 Sensors

Renesas Electronics America Inc., a premier supplier of advanced semiconductor solutions, today announced the RL78/G11 Group of microcontrollers (MCUs), a group of small-package, low-power MCUs that will enable users to easily and more quickly prototype and develop systems that support low-power sensor hubs and sensor application systems. Designed to connect to multiple sensors and convert the sensor output signals to digital data, these compact sensor hubs are used in a wide range of applications, such as computer operating environment monitoring for data center thermocouples in the industrial area, wearable health management devices in the healthcare field, and environmental sensing in greenhouses and factory farms in the agricultural industry.

NXP Expands Plug'n Play NFC Portfolio: New Controller and Arduino Add-on Boards

NXP today expanded its advanced portfolio for plug-and-play (Near Field Communication) NFC solutions with Arduino™ add-on boards and the release of PN7150, a high performance NFC controller with integrated firmware and NCI interface. The expanded portfolio enables easier and faster integration of NFC technology in consumer electronic devices, especially in OS-based systems.

Building Better Development Experiences

Leveraging its sophisticated portfolio of microcontrollers, the PN71xx family, now, comes with various add-on boards, software examples and supports development platforms featuring an Arduino stackable header, including Kinetis, LPCXpresso, i.MX, and QorIQ, allowing for rapid NFC expansion and prototyping.

60V Synchronous Buck Battery Charger Includes Lead-Acid & Li-Ion Charge Algorithms for up to 20A Charge Current

Linear Technology Corporation introduces the LTC4013, a highly integrated, high voltage multi-chemistry synchronous step-down battery charger controller. With a wide input voltage range that spans up to 60V, the LTC4013 uses temperature-compensated 3- and 4-stage charge algorithms to efficiently charge 12V and 24V lead-acid batteries. Alternatively, the LTC4013 will charge a multicell Lithium-based battery stack with float voltages near to the input supply. Mode pins define the float voltage and charge algorithm. Charge current is precision regulated to ±5% and programmable with a single resistor up to 20A (depending on the selection of external components). The LTC4013 features user-adjustable maximum power point tracking (MPPT) circuitry that enables simple power optimization in the case of power-limited sources such as solar panels. The MPPT open-circuit method corrects for panel temperature changes without the inconvenience of adding a solar panel temperature sensor. Applications include portable medical instruments, monitoring equipment, battery backup systems, industrial handhelds, industrial lighting, military equipment, ruggedized notebooks/tablet computers, plus remote powered communication and telemetry systems.

New High-Resolution Digital Biosensor for Wearable Applications

The Optoelectronics group of Vishay Intertechnology introduces a new fully integrated proximity and ambient light sensor optimized for heart rate and pulse oximetry measurements in wearable devices. The Vishay Semiconductors VCNL4020C combines an IR emitter, broad sensitivity photo diode and ambient light photo diode, a signal processing IC, and a 16-bit ADC in a compact 4.9 mm by 2.4 mm by 0.83 mm surface-mount package. The new biosensor features an interrupt function and supports I2C bus communication interface.

TI announces the only Qi-certified 15-W wireless power transmitter

Industry's most efficient 15-W solution delivers high power and fast-charge wireless charging to industrial applications

Texas Instruments (TI) (NASDAQ: TXN) today introduced the industry's first Wireless Power Consortium (WPC) v1.2 Qi-certified 15-W wireless power transmitter. The bq501210 enables 84 percent system efficiency with significantly less thermal dissipation than traditional wireless power devices. The transmitter supports multiple fast-charging protocols and offers an array of flexible and customizable features such as personal electronics, medical and space-constrained industrial applications. To learn more about the bq501210, visit www.ti.com/bq501210-pr.

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