Issue link: https://read.uberflip.com/i/1481719
Contents COVER STORY Most Critical Parameters for a Wearable Health Device: When Every μA Counts! 4 TECHNICAL PAPER SPOTLIGHT Jack of All Trades in Impedance Measurement 11 Power Supply Design Considerations for Primary Cell Powered Remote Patient Monitors 11 Noise Reduction Network for Adjustable Low Dropout Regulators 11 TECHNICAL ARTICLES Higher Reliability, Safety, and 30% Longer Lifetime with Advanced Battery Management in Healthcare Energy Storage Systems 13 Complete, Efficient 100 mA Wireless Charging Solution with Optimum Power Transfer and Safety Features 20 Close the Loop Between Wireless Charger Receiver and Transmitter Without Digital Controllers 27 FEATURED PRODUCTS MAX30207: ±0.1°C Accurate, 1-Wire ® Digital Temperature Sensor 24 ADPD4000: Multimodal Sensor Front End 24 AD5940: High Precision, Impedance, and Electrochemical Front End 25 Max31888: ±0.25°C Accurate 1-Wire Temperature Sensor 25 ADXL367: Nanopower, 3-Axis, ±2 g/±4 g/±8 g Digital Output MEMS Accelerometer 25 ADuM4166 Family: 5.7 kV rms Digital Isolator for Isolated USB 2.0 High Speed 26 Precision Low Power Signal Chain Platform 26 DESIGN RESOURCES Video: Wearable Device to Collect Human Vital Signs, Fueling Digital Health 33 Video: ADN4624 5.7 kV rms Quad-Channel 2.5 Gigabit Isolator 33 Webcast: Fastest Ever—Innovate with 2.5 Gigabit Digital Isolators 34 Application Note: Implementing the AD5940 and AD8233 in a Full Bioelectric System 34 Design Tool: LTspice ® 34 2 NOVEMBER 2022 | www.eetimes.eu