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 […]
Wireless
50-W Qi wireless-charging IC speeds consumer electronics recharging
STMicroelectronics has introduced the world’s fastest Qi wireless charging IC, STWLC88. Delivering as much as 50W of power, the new device enables consumers to charge smartphones, tablets, laptops, and other personal electronic devices without cables as safely and nearly as quickly and efficiently as they could by plugging them in. ST’s state-of-the-art 50W wireless-power IC charges smartphones two […]
Authentication device allows for secured wireless charging
Infineon Technologies AG extends its OPTIGA Trust product family with a dedicated solution for secured inductive charging. The new OPTIGA Trust Charge is the industry’s first embedded security solution that is usable for the Qi 1.3 wireless charging standard. It addresses chargers for small personal electronic devices like smartphones, earbuds, tablets, wearables, or health tech […]
Low-noise dc/dc switching regulators host integrated ferrite-bead compensation
Texas Instruments introduced a new family of low-noise DC/DC switching regulators with integrated ferrite-bead compensation. The TPS62912 and TPS62913 offer low noise of 20 µVRMS for frequencies ranging from 100 Hz to 100 kHz and ultra-low output-voltage ripple of 10 µVRMS, giving engineers the ability to remove one or more low-dropout regulators (LDOs) from their designs, […]
Tiny automotive-compliant, 40V dual MOSFET boasts low RDS(on) resistance
Diodes Incorporated announced the industry’s first automotive-compliant 40V dual MOSFET in a 3.3mm x 3.3mm package. The DMT47M2LDVQ can replace two discrete MOSFETs to reduce the board space footprint in many automotive applications, from electric seat control to advanced driver-assistance systems (ADAS). The DMT47M2LDVQ integrates two n-channel enhancement-mode MOSFETs with the industry’s lowest RDS(ON) for […]
Half-bridge power stage delivers Rds(ON) down to 8.05 mΩ
Vishay Intertechnology introduced a new 40 V n-channel MOSFET half-bridge power stage that delivers increased power density and efficiency for white goods and industrial, medical, and telecom applications. Integrating high side and low side MOSFETs in one compact PowerPAIR 3.3 mm by 3.3 mm package, the Vishay Siliconix SiZ240DT provides best in class on-resistance and […]
PoE connector modules handle 60 W over 10GBASE-T lines
Bel Magnetic Solutions introduces 10GBASE-T single-port 60W, 4-pair PoE (Power over Ethernet) MagJack ICMs that are designed for those looking to upgrade their product performance for maximum speed at 60W of power over standard Ethernet cable. The 60W PoE specification doubles the amount of power products can handle over existing applications while also increasing their […]
Buck-boost regulator features ultra-low quiescent current
Renesas Electronics Corporation introduced the ISL9122A, a flexible buck-boost switching regulator with bypass mode that provides ultra-low quiescent current (IQ) for powering sensors, microcontrollers (MCUs), wireless devices, and other system components. Operating with battery output from 1.8V to 5.5V, the ISL9122A extends the battery life of smart IoT devices powered by coin-cell, lithium, and multiple […]
MWCT controller enables multi-device wireless charging
NXP Semiconductors N.V. announced that the first multi-device vehicle wireless charging solution driven by a single MWCT controller is now available in production vehicles. NXP has expanded its offerings to the new 15W wireless power standard, enabling faster charging. The new solution helps carmakers offer a differentiated in-car experience to their customers by enabling the […]
Single/multiple-winding wireless charging coils handle general and automotive apps
Signal Transformer announce their new Wireless Charging Transmission Coils (WCC) in both Single and Multiple Windings for smart car applications, consumer products, controllers, wearable devices, robotic cleaners, and drones. Signal’s WCC’s feature pin cooling technology and tight pin tolerance control within +/-1.0 mm after the Tin Immersion process. They come in two core shapes, square/rectangular […]
