STMicroelectronics has introduced the LDBL20, a 200mA Low-Dropout (LDO) regulator in a minuscule 0.47mm x 0.47mm x 0.2mm chip-scale package that is ideal for wearable and portable devices and for flexible electronics such as multifunction connected smart cards. The LDBL20’s bumpless STSTAMP™ package breaks through the minimum I/O-area and height limitation imposed by the diameter […]
Wireless
15-W wireless power transmitter IC certified to Qi standard
Texas Instruments (TI) (NASDAQ: TXN) today introduced the industry’s first Wireless Power Consortium (WPC) v1.2 Qi-certified 15-W wireless power transmitter. The bq501210 enables 84 percent system efficiency with significantly less thermal dissipation than traditional wireless power devices. The transmitter supports multiple fast-charging protocols and offers an array of flexible and customizable features such as personal […]
Evaluation kit helps spec eGaN FETs, ICs for multi-mode wireless power charging systems
Efficient Power Conversion Corporation (EPC) today announces the availability of a complete demonstration multi-mode wireless power charging kit, the EPC9121. The purpose of this demonstration kit is to simplify the evaluation process of using eGaN FETs and ICs for highly efficient multi-mode wireless power charging systems that can cut across any standard used in the […]
Powering the cloud for an energy efficient Internet of Everything
by Mark Adams, CUI Inc. As the Internet-of-Everything puts pressure on Cloud services, software-optimized power conversion will help save energy and let operators keep on top of costs. The Internet of Everything (IoE) will capture data continuously from activities such as retail, transportation, infrastructure management, manufacturing, mining, food production, security and many others. Figures from […]
Wireless charging efficiency: how to measure in the real world
by John Perzow, Wireless Power Consortium When it comes to energy efficiency, there are significant differences in competing wireless charging methods. There are a lot of claims made about the energy efficiency of wireless charging schemes. Engineers are understandably skeptical. After all, it is hard to envision how two induction coils sitting some distance away from each […]
Wireless power transmitter IC handles 15 W in Qi wireless charging systems
Toshiba America Electronic Components, Inc. (TAEC)*, a committed leader that collaborates with technology companies to create breakthrough designs, today launched a compact and efficient wireless power transmitter IC with a power transmission capability of 15 watts (W). Combined with a host microcontroller, the TC7718FTG realizes a wireless power transmission system compliant with Qi v1.2, the […]
Transmitter/reciever handle 15-W Qi wireless charging
Integrated Device Technology, Inc. (IDT) has introduced two new devices that deliver a complete high-efficiency wireless charging solution for electronics demanding up to 15 W of output power. Supporting wireless charging for new categories of consumer products and infrastructure, the highly integrated chips deliver industry-leading power conversion efficiency of over 86 percent from transmitter input […]
Development board doubles as amplifier stage for AirFuel Alliance Class 4 and 5 wireless power-transfer apps
Efficient Power Conversion (EPC) announces the EPC9065, a development board that can serve as the amplifier stage for AirFuelTM Alliance Class 4 and Class 5 wireless power transfer applications. This board is a Zero Voltage Switching (ZVS) differential-mode class-D amplifier development board configured at, but is not limited to, 6.78 MHz (Lowest ISM band). This […]
Dev boards speed development of GaN transistor designs for class-E/D amps, push-pull converters up to 30 MHz
Efficient Power Conversion Corporation (EPC) has announced high efficiency, GaN-based differential mode development boards that can operate up to 30 MHz. These boards provide an easy-to-use way for power systems designers to evaluate the exceptional performance of gallium nitride transistors and get their products into volume production quickly. These development boards are designed for class-E […]
5-W AutoResonant Wireless Power Transmitter detects foreign objects
Linear Technology Corporation introduces the LTC4125, a wireless power transmitter, complementing our wireless receiver ICs for the wireless charging market. The LTC4125 is a simple, high performance monolithic full bridge resonant driver, capable of delivering up to 5W of power wirelessly to a companion receiver. It functions as the transmit circuit component in a complete […]