Analog Devices, Inc. introduced the MAX77540 step-down buck converter, which provides single-stage power conversion in multi-cell battery applications, such as augmented reality/virtual reality (ARVR) headsets, land mobile radios (LMRs), and digital single-lens reflex (DSLR) cameras. The power-dense MAX77540 buck converter features 94 percent peak efficiency and wafer-level packaging that measures 61 percent smaller than traditional […]
Power Components
Smart fuses optimized for sub-power rails in server apps
Alpha and Omega Semiconductor Limited announced the release of our initial eFuse product for sub-power rails in server applications. The AOZ18101DI series are 5A eFuse in a compact 3mm x 3mm DFN package. The new products use AOS’s advanced co-packaging technology, combining a high-performance IC with protection features and our latest high SOA Trench MOSFET. The new devices offer low RDS(ON) (20mohm) back-to-back MOSFETs […]
Eval board covers battery management in IoT apps
ROHM Semiconductor announced the availability of a new evaluation board, the REFLVBMS001-EVK-001, which facilitates the verification of the operation of ultra-efficient battery management solutions for the expanding IoT field. Recent years have seen the proliferation of battery-driven electronic devices, including wearables, industrial IoT (e.g., smart cards and electronic shelf labels), and portables. These devices not only need […]
50 µA Zener diodes extend battery time and save PCB space
Nexperia announced a comprehensive range of low current voltage regulator diodes. The 50 µA Zener diode range is available in three different surface-mountable (SMD) package options, in an ultra-small Discretes Flat No-leads (DFN) package and AEC-Q101 qualified parts, providing the ultimate in customer choice and flexibility. Specified at a low test current (50 μA), the […]
APEC plenary session features renowned industry experts
For more than 35 years, APEC has been renowned for kicking off with a Plenary Session that addresses the issues of most interest and concern to engineers engaged in applied power electronics technology. The four-hour session comprises plenary talks given by six industry luminaries representing government, industry and academia. Open to all attendees, this year’s […]
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 […]
ARM-based dev kit includes Power IC, angle sensor, hall effect switch for BLDC motor control
With the MOTIX motor control kit, Infineon Technologies AG presents a complete system solution for motor control. The pre-assembled kit provides everything needed to get the motor spinning in a matter of seconds: a market-proven chipset combined with pre-flashed sample software as well as a BLDC motor – only a power supply needs to be […]
eGaN bidirectional dc/dc converter handles 65-A loads
EPC announces the availability of the EPC9170, a 2 kW, two-phase 48 V – 14 V bidirectional converter that operates with 96.8% peak efficiency in a small footprint. The board features the ePower 100 V, 65 A integrated circuit chipset. The chipset includes the EPC23101 eGaN IC plus EPC2302 eGaN FET for a solution capable […]
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. […]
MOSFET gate drivers carry SPI interface
Battery systems for 48 V are used in multiple, growing market categories including Mild Hybrid Electrical Vehicles, trucks, e-wheelers, and battery packs for solar panels. These Li-ion battery systems need to be protected against negative and positive voltages. In addition, these batteries must be able to quickly and reliably disconnect from loads within microseconds, in the […]