Today’s energy-efficient electric charging systems powering commercial vehicle propulsion, as well as auxiliary power systems, solar inverters, solid-state transformers, and other transportation and industrial applications all, rely on high-voltage switching power devices. To meet these requirements, Microchip Technology Inc. announced the expansion of its silicon carbide portfolio with a family of high-efficiency, high-reliability 1700V silicon carbide MOSFET […]
Wireless
LDMOS power transistors optimized for RF power amplifiers
STMicroelectronics is adding a broad range of new devices to the STPOWER family of LDMOS transistors, which comprises three different product series optimized for RF power amplifiers (PAs) in a variety of commercial and industrial applications. Featuring high efficiency and low thermal resistance and packaged to handle high RF power, STPOWER LDMOS devices combine a […]
Wireless charging scheme delivers 300 W over 40 mm
Eggtronic has announced E2WATT, a new AC power technology that will boost the power, efficiency, charging distance, and data transmission capabilities of wireless charging applications. Offering efficiency comparable with the best conventional wired AC adapters, E2WATT provides the foundation for taking future mobile charging designs into new segments including laptops, AV equipment, and even home […]
Inductors target power circuits in wireless earphones
TDK Corporation has developed the PLEA67 Series of inductors for use in true wireless stereo (TWS)* devices. Mass production will begin in March 2021. This new series of inductors is intended for use in power circuits incorporated into wireless earphones used with smartphones, portable players, and similar devices. In addition to an impressive rated current […]
Transparent conductive glass panels deliver power to USB sockets
Zytronic introduces an innovative method of delivering power through glass invisibly. Called ElectroglaZ, this patent-pending technology opens up new opportunities for low-power devices and applications without using wires. ElectroglaZ can also deliver low power, (sub 50V / 3A), to USB sockets, induction charging pads, motors, fans, security cameras and sensors, air monitoring units in HVAC […]
Silicone-free gap filler features high thermal conductivity
Laird Performance Materials continues to focus on innovation with its release of its Tflex SF10 Series, a silicone-free gap filler delivering 10 W/mk thermal conductivity along with low deflection properties enabling it to exert minimal pressure on delicate components. Along with no silicone and its high thermal conductivity, a key differentiator of Laird’s Tflex SF10 […]
Next-gen BMS goes wireless, with proprietary protocol and functional safety compliance
Because today’s battery management systems (BMS) are wired, the common source of cable failures – wire harnesses and connectors – becomes a warranty and functional safety issue. With the launch of a wireless BMS that features the first independently assessed functional safety concept, Texas Instruments hopes to revolutionize electric vehicle (EV) BMS. By removing the […]
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 […]
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 […]
