Taiwan Semiconductor announces its new TESD Series of single-channel ESD clamping diodes offering size and performance specifications optimized for wearable applications. The new TESD devices’ unique design features proprietary bidirectional clamping cells (for ESD protection up to ±30kV) in an ultra-small DFN0603 package. The devices in the new TESD Series are offered in versions with 5.0V […]
Wearables
Tiny inductors save board space
TDK Corporation has announced the introduction of its new PLEA85 series of high-efficiency power inductors developed for battery-powered wearables and other devices, improving operating times. The new series has the lowest profile* in the industry, due to the use of TDK’s newly developed low-loss magnetic material and its thin-film processing techniques. Mass production of the […]
Unipolar, Hall-effect switches designed for proximity testing in battery-powered applications
Diodes Incorporated introduced two new portfolios of monolithic, unipolar Hall-effect switches designed for proximity sensing in battery-powered applications. With an ultra-low 1.1µA supply current at 1.85V, and 1.6µA at 1.6V to 5.5V, these devices are ideal for battery-powered portable equipment like smartphones, laptops, and wearables. The devices are also suitable for domestic appliances, game consoles, […]
High-efficiency 20-V N-channel MOSFET optimized for switching in small, thin devices
ROHM Semiconductor announced they have developed a compact, high-efficiency 20V N-channel MOSFET (RA1C030LD), optimized for switching in small, thin devices, including smartphones and wearables such as wireless earbuds and other hearable equipment. In recent years, the increasing sophistication and power requirements of compact devices have resulted in larger batteries that reduce the space available for […]
Battery charger IC handles low-voltage charging of wearables, compact IoT devices
The BD71631QWZ battery charger IC from Rohm Semiconductor is designed to provide low-voltage charging of wearables (e.g., wireless ear buds) and thin, compact IoT devices (e.g., smart displays) powered by rechargeable batteries. In recent years, the need for safer, higher density rechargeable batteries has led to the development of new battery types. This includes all-solid […]
Power system design considerations for wireless IoT nodes and wearables – Virtual Roundtable (part 2)
The second part of EEWorld’s two-part “virtual roundtable” discussion on power system design considerations for wireless IoT nodes and wearables focuses on the use of switching regulators and the associated technical challenges. Our panelists are: Florian Feckl (FF), Systems Engineer and Product Definer for Low Power Buck Converter, Texas Instruments, and Kyle Van Renterghem, (KVR) […]
Power system design considerations for wireless IoT nodes and wearables – Virtual Roundtable (part 1)
The first part of EEWorld’s two-part “virtual roundtable” discussion on power system design considerations for wireless IoT nodes and wearables focuses on the use of low dropout regulators (LDOs). Our panelists are Kyle Van Renterghem, (KVR) Marketing & Applications Manager, Low Input Voltage LDOs, Texas Instruments, and Julian Hagedorn (JH), Systems Engineer, Texas Instruments. JS: […]
Testing power consumption and batteries for wireless IoT nodes and wearables – Virtual Roundtable (part 2)
In this second part of EEWorld’s virtual round table on testing power consumption and batteries for wireless IoT nodes and wearables, our panelists delve into the nuances of complementary cumulative distribution function (CCDF) testing and predicting actual battery performance. Our panelists include: Janet Ooi (JO), IoT Industry Solutions Lead at Keysight Technologies, Shah Hassan (SH), […]
Testing power consumption and batteries for wireless IoT nodes and wearables – Virtual Roundtable (part 1)
The first part of EEWorld’s virtual roundtable discussion considers the challenges of testing power consumption and batteries for wireless IoT nodes and wearables. Joining us for this virtual roundtable are: Janet Ooi (JO), IoT Industry Solutions Lead at Keysight Technologies, Shah Hassan (SH), Business Manager at Tektronix, and Dr. Markus Herdin (MH), Market Segment Manager […]
Batteries and charging for wireless IoT sensor nodes and wearables
Battery selection for a given wireless Internet of Things (IoT) node or wearables design is complex. Among the important factors are: how long the device is expected to operate with a single battery; the choice between various primary and secondary battery chemistries; the nominal and cut-off voltage of the electronics; the energy/current consumption profile, the […]
