Extending Battery Life for Ultra-Low-Power Wearables
Examines how silicon vendors enable low-power wearables through power-efficient microcontrollers, radios, displays and power management to extend battery life.
Examines how silicon vendors enable low-power wearables through power-efficient microcontrollers, radios, displays and power management to extend battery life.
Overview of ultra-low-power MCU technology (SPOT) and low-power BLE solutions, including BLE 5.2 and LE Audio, for always-online IoT and wearable devices.
Technical overview of wireless charging for wearable devices: inductive and resonant principles, Qi communication, coil components, controllers, and design considerations.
Practical guide to wearable PCBs covering substrate choices (FR4 vs Rogers), manufacturing tolerance, RF design, and RF transmission lines like microstrip and coplanar waveguide
Technical overview of the LTC4126 wireless charger receiver for wearables, detailing inductance-free DC-DC charge-pump, CC/CV charger, safety features, and ZVS transmitter pairing.
Technical overview of capacitive sensing for wearables: low-power touch and proximity design, wear detection, gesture touchpads, robustness, signal processing, and cost trade-offs.
Overview of how battery capacity, leakage current and termination current affect runtime in low-power wearables, with charger IC recommendations.
Overview of wireless charging technology and market adoption across wearables, automotive and mobile devices, highlighting receivers, transmitters and coils.
Overview of TI's TPS62770 multi-rail buck and boost DC/DC converter for wearables, highlighting low quiescent current, display/LED driving for PMOLED and LCD backlights.
Technical overview of HG-CVR smart fuel gauge (LC70920XF/LC709203F) using internal-resistance and voltage tracking to estimate RSOC with ±2.8% accuracy, low power.
Technical overview of pulse oximetry: principles, SpO2 measurement, transmission vs reflection methods, signal conditioning and digital filtering for device design.
Overview of ESD protection and PCB layout for wearables, and UAV long-term tracking algorithm with altitude control for aerial robotics.
Power management strategies for wearables: PMIC, SIMO and LDO selection, battery capacity trade-offs and low?power design techniques to extend battery life.
Overview of ADI's GEN II wearable platform integrating ECG, PPG, bioimpedance, motion and temperature sensors for prototype development and continuous monitoring use cases.
Analysis of medical wearables market growth, sensor technologies (PPG, ECG), regulatory hurdles and integration for clinical-grade patient monitoring and remote care.
Market analysis of wearable medical devices: aging demographics, rising chronic disease prevalence, remote monitoring benefits to reduce hospitalizations and VC interest.
Electronic skin overview: flexible tactile sensors, sensor types (capacitive, SAW), working principles and applications in prosthetics, wearables, and robotics.
Overview of wearable health technologies for engineers: wearables and remote monitoring, embedded sensors, and reference designs for developers.
Technical summary: challenges in PCB design for wearable devices—size, temperature, humidity, insulation, and power constraints engineers must address.
ARM Cortex-A32 overview: a scalable ARMv8-A 32-bit core with ~25% silicon efficiency gain, low-power scalability and enhanced instructions for wearable IoT and edge devices.