STMicroelectronics Unveils World’s Fastest 50W Qi Wireless-Charging IC
November 05 2020 - 09:00AM
STMicroelectronics Unveils World’s
Fastest 50W Qi Wireless-Charging IC
Geneva, November 5, 2020 – STMicroelectronics (NYSE:
STM), a global semiconductor leader serving customers
across the spectrum of electronics applications, 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
times faster than the previous-generation device.
Safe, wireless delivery of high power to charge personal
electronics must address a range of challenges including
efficiency, reliable communication, Foreign Object Detection (FOD),
and thermal, over-voltage, and over-current protection. A
long-standing member of the Wireless Power Consortium, ST has spent
years crafting solutions on top of the industry-standard Qi
wireless power-transfer system to address these challenges beyond
the standard with patented hardware, cutting-edge signal processing
algorithms, and proprietary ST SuperCharge (STSC) protocol.
Together these enhancements allow ST customers to utilize the
complete turnkey Tx/Rx solution consisting of the STWLC88 and the
STWBC2 digital controller to achieve high power efficiently and
safely, while remaining compliant with Qi specifications.
“ST’s latest STWLC88 wireless-charging IC provides the best
solution for wireless-charging applications with industry-leading
efficiency, highest power delivery, and maximum safety,” said
Francesco Italia, General Manager, Analog Custom Products Division,
STMicroelectronics. “With the launch of the world’s fastest
charger, ST has expanded the portfolio to cover a wide range of
power levels to meet increasing demand for higher-power chargers in
the age of 5G communications.”
The STWLC88 incorporates multiple circuits to substantially
reduce the external BoM (Bill of Materials), making it ideal for
integration in a wide range of applications with restrictive PCB
area requirements. Being WPC Qi 1.2.4 EPP compliant, the STWLC88 is
fully compatible with all Qi EPP certified transmitters in the
market. As a result, the STWLC88 offers state-of-the-art features
that are critical for performance and safety and is ideal for
medium- to high-power wireless-charging applications.
The STWLC88 is in production and available in a 4.0mm x 4.5mm x
0.6mm WLCPS 110-bumps 0.4mm pitch package, priced from $2.5 for
orders of 10,000 pieces. The STEVAL-ISB88RX evaluation board,
containing the STWLC88 and a sophisticated GUI, is also available
to simplify prototyping and significantly cut time to market with
the 50W charger IC.
Technical Notes to Editors: With its fully
integrated ultra-low impedance, high-voltage synchronous rectifier,
and low drop-out linear regulator, the STWLC88 achieves high
efficiency and low power dissipation, critical for applications
that are highly sensitive to unnecessary heat buildup. The
power-charger chip features dedicated hardware and advanced
algorithms that were developed to address challenges in ASK and FSK
communication during high power delivery. Moreover, the STWLC88
comes with highly accurate Foreign Object Detection (FOD) and an
integrated accurate current-sensing system to ensure high power
delivery is performed safely and in a controlled manner.
The STWLC88 can also operate in high-efficiency transmitter mode
to allow high-power charge-sharing mode. This is coupled with the
STWLC88’s industry-first Q factor detection in a receiver device to
ensure safe operation and protection to end-users.
An I2C interface allows firmware and platform developers to
customize parameters in the device and the configuration can be
programmed into the embedded FTP, which allows for more than 1000
times of re-programming. Additional firmware patching improves the
IC’s application flexibility. For further information please go to
www.st.com/stwlc88-pr
About STMicroelectronicsAt ST, we are 46,000
creators and makers of semiconductor technologies mastering the
semiconductor supply chain with state-of-the-art manufacturing
facilities. An independent device manufacturer, we work with our
100,000 customers and thousands of partners to design and build
products, solutions, and ecosystems that address their challenges
and opportunities, and the need to support a more sustainable
world. Our technologies enable smarter mobility, more efficient
power and energy management, and the wide-scale deployment of the
Internet of Things and 5G technology. Further information can be
found at www.st.com.
For Press Information Contact: Michael
Markowitz Director Technical Media Relations STMicroelectronics
Tel: +1 781 591 0354 Email: michael.markowitz@st.com
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