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Latest News & Products - Nov 2021

25 Nov, 2021 Newsletter - everything RF

Top wireless charging news and products. View it in your browser

 
Wireless Charging Update
Date: 25 Nov, 2021
 
Sponsored by PCB Directory
 
 
Latest News, Products & Whitepapers
5W Qi-Compliant Inductive Wireless Power Receiver
Product
5W Qi-Compliant Inductive Wireless Power Receiver

Wireless Charging Receiver  from STMicroelectronics

The STWLC68 from ST Microelectronics is a Wireless Power Receiver IC suitable for portable applications and capable of managing up to 5 W of output power. The chip has been designed to support Qi 1.2.4 specifications for inductive communication protocols and Base Power Profile (BPP). This receiver provides 3.6 to 20 V of programmable output voltage with 25 mV resolution.
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NXP Announces the First Automotive Wireless Charging Reference Design with Qi 1.3 Certification
News
NXP Announces the First Automotive Wireless Charging Reference Design with Qi 1.3 Certification
NXP Semiconductors
NXP Semiconductors has announced a new automotive wireless charging reference design - the first to be certified by the Wireless Power Consortium (WPC) for its new Qi 1.3 standard. The reference design consists of a Qi-certified board with an NXP wireless charging MWCT family MCUs, as well as optional NFC, secure element and CAN/LIN transceiver. Read More
15 W Qi Compatible Automotive In-Cabin Wireless Charging Transmitter
Product
15 W Qi Compatible Automotive In-Cabin Wireless Charging Transmitter

Wireless Charging Transmitter  from Spark Connected

The Beast 2.0 from Spark Connected is an Automotive In-cabin Wireless Charger that meets Qi v1.3 requirements. It utilizes TDK’s latest pattern coil technology and delivers up to 15 W of power. The charger provides class-leading EMC performance, a wide input supply range with continuous charging even during vehicle stop/start events, and has Foreign Object Detection (FOD).
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Apple and Ansys Develop First Cloud-based RF Safety Testing Simulation Solution for MagSafe
News
Apple and Ansys Develop First Cloud-based RF Safety Testing Simulation Solution for MagSafe
ANSYS
Apple collaborated with Ansys to launch the first-of-its-kind RF safety testing simulation solution for Apple's MagSafe module technology developers. The novel technology eliminates the need for physical prototypes and expensive RF safety certification software —reducing costs while simultaneously accelerating the certification process for developers. Read More
20 W Qi-compliant Wireless Power Transfer Transmitter Coil
Product
20 W Qi-compliant Wireless Power Transfer Transmitter Coil

Wireless Charging Coil  from Wurth Elektronik

The 760308105214 from Wurth Elektronik is a Qi-compliant Wireless Power Transfer Transmitter Coil with an Inductance of 6.3 µH and a typical Q factor of 15. It supports up to 20 W of power and draws 1.5 A of rated current. This charging coil has a DC resistance of 245 mOhm @ 20° C and a self-resonant frequency of 25 MHz. It measures 19 x 0.8 mm and operates over a wide temperature range from -20° to 105° C.
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NuCurrent Outperforms NFC Wireless Charging Specs in Space Constrained Devices
News
NuCurrent Outperforms NFC Wireless Charging Specs in Space Constrained Devices
NuCurrent
NuCurrent announced that it has surpassed the NFC WLC specification for wireless power and data transfer in a product. The achievement - which delivers 2.4x the power and 4x the data transfer rates of the NFC WLC Wireless Charging specification - is the result of a partnership between NuCurrent and WHOOP. Read More
70 W Qi-Compliant Wireless Charging Receiver
Product
70 W Qi-Compliant Wireless Charging Receiver

Wireless Charging Receiver  from STMicroelectronics

The STWLC98 from STMicroelectronics is a Wireless Charging Receiver that supports Qi specifications 1.2.4 and 1.3 for the inductive communication protocol with Extended Power Profile (EPP). It is based on the proprietary ST Super Charge (STSC) protocol for fast charging. It can deliver an output power of up to 70 W and can also operate as a 15 W wireless transmitter depending on the type of wireless charging coil used.
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Energous WattUp PowerBridge Transmitter Approved for Long Distance Wireless Charging in Europe
News
Energous WattUp PowerBridge Transmitter Approved for Long Distance Wireless Charging in Europe
Energous Corporation
Energous Corporation has announced that its 1 W WattUp PowerBridge has completed regulatory review with an internationally accredited European Notified Body. The results of this review verify that the Energous 1 W WattUp PowerBridge transmitter complies with European technical requirements for radio equipment. Read More
30 W Wireless Charging Receiver with Integrated Capacitor Divider and Wattshare Technology
Product
30 W Wireless Charging Receiver with Integrated Capacitor Divider and Wattshare Technology

Wireless Charging Receiver  from Renesas

The P9412 from Renesas is a Single Chip Wireless Power Receiver IC for 30 W applications. The device can be configured to receive or transmit an AC power signal through magnetic induction. It has a 24kB Multiple-time programmable (MTP) non-volatile memory and supports proprietary fast charging modes with authentication. This IC can be controlled via GPIO and I2C interfaces.
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Featured Content
Qi 1.3
What is the Qi 1.3 Wireless Charging Standard?
On August 23, 2021, the Wireless Power Consortium (WPC) announced the release of Qi v1.3, the latest version of its Qi (pronounced “chee”) wireless charging specification for smartphones and small mobile devices. It follows Qi 1.2.4. The Qi v1.3 standard adds new authentication features that include improvements in compliance testing and reducing the false positives in Foreign Object Detection (FOD). Click here to read more.
Energous Introduces 1W Active Energy Harvesting Developer Kit to Enable Over-the-Air Wireless Charging
News
Energous Introduces 1W Active Energy Harvesting Developer Kit to Enable Over-the-Air Wireless Charging
Energous Corporation
Energous Corporation, the developer of WattUp®, a revolutionary RF-based wireless charging technology that supports charging of electronic devices at-a-distance, announced the availability of its 1W Active Energy Harvesting Developer Kit. The 1W Developer Kit can charge multiple devices simultaneously, enabling at-a-distance wireless charging for the growing Internet of Things ecosystem. This technology represents the lowest cost, smallest size solution for any known active energy harvesting ecosystem. Read More
Close the Loop Between Wireless Charger Receiver and Transmitter Without Digital Controllers
Whitepaper
Close the Loop Between Wireless Charger Receiver and Transmitter Without Digital Controllers
Analog Devices
This article introduces a method for closing the loop between the receiver and the transmitter without increasing the number of components (and precious overall footprint) on the receiver board. A closed-loop, controlled wireless charger prototype is built using an LTC4125 AutoResonant™ transmitter and an LTC4124 wireless Li-Ion charger receiver to demonstrate this concept.
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60 W Wireless Power Transmitter/Receiver IC
Product
60 W Wireless Power Transmitter/Receiver IC

Wireless Charging Receiver  from Renesas

The P9418 from Renesas is a highly-integrated single-chip 60 W wireless power transmitter/receiver IC (TRx). The IC can be configured to receive or transmit an AC power signal through magnetic induction. It integrates a highly efficient synchronous full bridge rectifier and control circuitry that modulates the load to send message packets to the transmitter.
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Spark Connected and TDK Launch In-Cabin Wireless Charging Solution for the Automotive Sector
News
Spark Connected and TDK Launch In-Cabin Wireless Charging Solution for the Automotive Sector
Spark Connected
Spark Connected, a global leader in developing advanced and innovative wireless power technology, announced the launch of The Beast 2.0 – an automotive in-cabin wireless charging solution with TDK’s newest pattern coil technology. Read More
300 W Wireless Power Transmitter Controller IC
Product
300 W Wireless Power Transmitter Controller IC

Wireless Charging Transmitter  from Microchip Technology

The WP300TX01 from Microchip is a Wireless Power Transmitter Controller IC that can transfer up to 300 W of power wirelessly. It implements a reliable Foreign Object Detection (FOD) Scheme and enables system efficiency up to 90%. This transmitter controller provides overvoltage, overcurrent, undervoltage, overpower, and overtemperature protection.
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Wireless Charging Technologies: Fundamentals, Standards, and Network Applications
Whitepaper
Wireless Charging Technologies: Fundamentals, Standards, and Network Applications
IEEE
This whitepaper presents a comprehensive overview of wireless charging techniques, the developments in technical standards, and their recent advances in network applications.
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15 W Wireless Charging Transmitter ICs for Automotive Applications
Product
15 W Wireless Charging Transmitter ICs for Automotive Applications

Wireless Charging Transmitter  from NXP Semiconductors

The MWCT2xx3A Series from NXP Semiconductors are Wireless Charging Transmitter ICs for automotive applications. They have two isolated channels that can be used to charge two phones simultaneously. These ICs deliver transmit 15 W of power and have an optimized charging area with a flexible number of coils to avoid blind spots for every channel. They are WPC Qi v1 2.4 and AEC-Q100 certified.
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AirFuel Releases No-Cost Source Code License for Resonant BLE Communication Protocol
News
AirFuel Releases No-Cost Source Code License for Resonant BLE Communication Protocol
AirFuel Alliance
AirFuel Alliance, a leading authority on next-generation wireless power technology and standards, announces that member company, GPHY, has released a no-cost source code license for AirFuel Resonant Bluetooth Low Energy (BLE) firmware that facilitates seamless communication across the wireless power ecosystem. Read More
50 W Qi-Compliant Inductive Wireless Power Receiver
Product
50 W Qi-Compliant Inductive Wireless Power Receiver

Wireless Charging Receiver  from STMicroelectronics

The STWLC88 from STMicroelectronics is an Inductive 50 W Wireless Power Receiver. It is designed to support the latest Qi specifications for the inductive communication protocol with Extended Power Profile (EPP) and the proprietary STSuperCharge (STSC) protocol for fast charging. The receiver is capable of operating in transmitter (Tx) mode to share power for charging other devices with the output power up to 12 W depending on the coil used.
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Innovative Wireless Charging Technology Can Charge Multiple Devices Simultaneously
News
Innovative Wireless Charging Technology Can Charge Multiple Devices Simultaneously
Aalto University
Mobile phones and tablets have allowed us to stay in touch regardless of our location, yet they still rely on plugs, sockets, and charging pads to power up. New technology developed at Aalto University may be the key to true wireless charging for these and other electronics in years to come. Read More
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