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), […]
Battery Management
Battery life analysis and maximization for wireless IoT sensor nodes and wearables
In addition to proper hardware design and power consumption testing, an accurate estimation of battery life is an important aspect of designing wireless Internet of Things (IoT) sensor nodes and wearables. For some medical or industrial devices, in particular, users’ lives can be at stake if the battery does not live up to expectations. Some […]
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 […]
Sager Electronics now shipping Power Sonic’s lithium batteries
Sager Electronics is now stocking Power Sonic’s PSL-SC Series lithium batteries. The Power Sonic PSL-SC range delivers a lithium battery that lasts longer, weighs less, and charges quicker than the equivalent lead-acid battery. The PSL-SC series features an intelligent battery management system that monitors and reacts to multiple voltages, current, and temperature events to maximize performance, […]
Efficient fanless supplies deliver 1 kW
Advanced Energy Industries, Inc. announced the availability of its Excelsys CS1000 fanless power supply series. Delivering up to 1000W with no fans, this convection cooled family of highly efficient power supplies eliminates acoustic noise, vibration and the need for baseplate cooling, making them lightweight and ideal for use in a wide range of medical treatment […]
Flow batteries – What’s ahead?
Flow batteries have emerged as a commercial alternative that makes economic sense for certain application profiles. Additional development is still needed for flow batteries to be a mainstream energy storage technology. There are probably hundreds of research efforts worldwide. The following is a sampling of key areas of focus for flow battery research and development. […]
Flow batteries – What can you use them for?
Flow batteries are suited for use in several application areas, including utility-scale energy storage, microgrids, renewables integration, backup power, and remote and off-grid power. Flow batteries are highly scalable, and their power and energy ratings can also be scaled independently. They have very little or no self-discharge current. Flow batteries have demonstrated cycle lives of […]
How do flow batteries work?
The heart of a flow battery is a specially designed regenerative fuel cell module. A conventional regenerative fuel cell operates on the basis of a reversible electrolysis electrochemical process and can be either an open system (where water can be added, and hydrogen and oxygen removed) or a closed system. These electrolysis-based regenerative fuel cells […]
Design challenges when using energy harvesting – Virtual Roundtable (part 1 of 2)
The first part of EEWorld’s two-part “virtual roundtable” discussion on energy harvesting considers technical challenges and design tradeoffs for engineers using energy harvesting power sources. Joining us for this virtual roundtable are: Dr. André Mansano (AM), CTO at Nowi; Graeme Clark (GC), Marketing Manager, Energy Harvesting Business Unit, at Renesas Electronics, Ken Imai (KI) Sr. […]
Buck-boost charger ICs for USB Type-C and USB Power Delivery ports hit 97% charging efficiency
Texas Instruments introduced the industry’s smallest buck-boost battery charger integrated circuits, which integrate power-path management for maximum power density and universal and fast charging at up to 97% efficiency. The BQ25790 and BQ25792 support efficient charging and 10 times lower quiescent current through USB Type-C and USB Power Delivery (PD) ports in small personal electronics, […]
