Marelli expands its range of battery management technologies for electric vehicles with a new state-of-the-art Wireless Distributed Battery Management System (wBMS). This technology eliminates the wired physical connections typically needed in other Battery Management systems (BMS) architectures, allowing for greater flexibility, increased efficiency, improved reliability, and reduced costs, all crucial aspects of electric vehicles. Marelli […]
Wireless
Common-source dual GaN FET features 58 mΩ RDS(on), 20-A pulsed output current
EPC announces the introduction of the EPC2221, a common source dual gallium nitride FET rated at 100 V, 58 mΩ, and 20 A pulsed current. The EPC2221 can be used in lidar systems for robots, surveillance systems, drones, autonomous cars, and vacuum cleaners. The low inductance and capacitance of the EPC2221 allow fast switching (100 […]
Reference design covers automotive in-cabin wireless charging stations
Renesas Electronics Corporation released a next-generation customer reference design for automotive wireless charging stations. The new P9261-3C-CRBv2 provides industry-leading features that enable automotive manufacturers to quickly and efficiently deliver premium performance and safety features for in-cabin wireless charging. The P9261-3C-CRBv2 solution includes the automotive-qualified wireless power controller P9261 with MP-A13 3-coils reference design as the wireless […]
Coil drivers for wireless charging transmitter circuits handle up to 50 W
Alpha and Omega Semiconductor Limited announced the release of AOZ32034AQV, a new product in the family of coil drivers for wireless charging transmitter circuits of up to 50W. Packaged in a thermally enhanced QFN 4 x 4 package, the device is designed for wireless charging applications in charging stations, cordless power tools, vacuum cleaners, drones, and other […]
Wireless power coil carries integrated NFC antenna
With WE-WPCC WPT/NFC, a particularly innovative solution from Würth Elektronik stands out from the extensive portfolio of coils for wireless power transmission: Wireless Power Coil with integrated NFC antenna. This range has now been expanded to five models, with receiver coils for transmission powers of up to 30, 40, and 50 watts, and transmitters for […]
Modules help add wireless charging to small devices
Rohm Semiconductor announced they have developed compact wireless charger modules with an integrated antenna board: the BP3621 (transmitter) and the BP3622 (receiver). These new modules allow designers to add wireless power supply functionality to smaller devices such as smart tags/cards or PC peripherals. Wireless power supplies are increasingly being adopted in smartphones, smart watches, and other compact devices. […]
Wireless power supply chipset provides up to 1 W
ROHM Group company LAPIS Technology announced they have developed a chipset capable of providing up to 1W of wireless power for compact, streamlined wearable devices and for industrial smart, miniaturized, and sealing solutions. The ML7661 (transmitter) and ML7660 (receiver) eliminate the need for an external MCU by incorporating a control circuit required for transmission/reception, resulting in the industry’s smallest […]
Don’t rush to choose rechargeable batteries…at least, not yet
Using energy harvesting and a rechargeable battery to power a remote wireless IoT node seems like an obvious and straightforward solution, but there are some unique aspects to consider. Don’t get me wrong: I really like rechargeable batteries; in fact, I like them a lot. Whether based on lead-acid, nickel-cadmium, lithium-ion, or other chemistry, our […]
LDO voltage regulator optimized for noise-sensitive automotive apps
Diodes Incorporated has introduced the AP7347DQ low dropout (LDO) voltage regulator, which is highly optimized for demanding noise-sensitive power-related automotive applications. This automotive-compliant high output accuracy LDO is AEC-Q100 Grade 1 qualified, manufactured in IATF 16949 certified facilities, and fully supports automotive production part approval processes (PPAPs). These qualities make it well-suited to design into […]
Battery management IC improves charge and fuel gauge accuracy
Analog Devices, Inc. announced the MAX17330 battery management integrated circuit (IC) with integrated fuel gauge and advanced battery protection for one-cell lithium-ion/polymer batteries that delivers a longer battery runtime for consumer applications than similar products. The new IC expands ADI’s battery management portfolio, which already delivers accuracy for the automotive and industrial markets that are […]
