Cornell Dubilier Electronics introduces two new series of Hybrid LIC Supercapacitors in response to the growing need for ultra-high capacitance values at higher operating voltages. The new VMF and VPF Series operate at 3.8 WVDC with capacitance values up to 220 Farads. The higher voltage results in increased energy density. With nearly eight times the energy density and a […]
IoT
Isolated 6/10-w dc-dc converters sport 4:1 input range
CUI Inc announced the addition of two new EN 62368-1 certified, compact, regulated converter series to its compact isolated dc-dc converters line. The PQQ6W-S and the PQQ10W-S both offer cost-effective solutions for a wide range of applications, including IoT, consumer, industrial and telecom, and data communications. The PQQ6W-S provides up to 6 W of continuous […]
Flexible organic solar cells are optimized for indoor light spectrum
A small, thin and flexible light cell, printed on recyclable plastic, has been optimized for the light spectrum found indoors. Designed by Epishine in Sweden, the light cells are designed to be used instead of batteries on wireless sensors and similar devices. The cells have a power density of 18 μW/cm2 and have a 1 […]
Side-emitting infrared LED targets head-mounted displays, industrial headsets, VR/MR/AR apps
ROHM introduced the new CSL1501RW ultra-compact side-emitting (side view) infrared LED. The device is ideal for head-mounted displays, industrial headsets, and VR/MR/AR (xR, virtual reality) gaming systems. In recent years, VR/MR/AR technology, which has emerged following the continuing advancement of IoT, is being increasingly adopted in headsets and head-mounted displays in a variety of gaming systems. […]
Single-/Multi-cell solar harvester increases runtime in wearable and IoT applications
Designers of space-constrained designs can now significantly increase runtime with the MAX20361 single-/multi-cell solar harvester with maximum power point tracking (MPPT) from Maxim Integrated Products, Inc. . The industry’s smallest solar harvesting solution is ideal for space-constrained applications such as wearables and the emerging internet of things (IoT) applications. Designers are often challenged with the […]
Nano grids, microgrids, and zero net energy consumption
Electric utility grids around the world are undergoing a fundamental change in architecture. The centralized grid that was designed to provide inexpensive electricity with a reasonable level of quality and reliability is no longer meeting society’s needs. Aging transmission and distribution systems are significantly reducing both the quality and reliability of electricity. And the use […]
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 […]
PMIC sports four buck-boost channels single one inductor in compact package
The breakthrough MAX77655 single-inductor multiple-output (SIMO) power management IC (PMIC) from Maxim Integrated Products, Inc.provides the highest-density power solution for extremely compact next-generation devices. This PMIC delivers a 70 percent reduction in solution size compared to the nearest competition, with 700mA across four buck-boost channels and only one inductor required for a total solution size […]
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 […]
Power consumption testing for wireless IoT sensor nodes and wearables, Part 2
Part one of this FAQ series focused on the various types of components available for designing power systems for wireless Internet of Things (IoT) sensor nodes, wearables, and similar applications. This FAQ focuses on measuring and validating the performance of those power systems. There are several instruments and approaches available for measuring and testing the […]
