NFC Reader IC and 8-bit Microcontroller from STMicroelectronics Adopted by Rohm for Qi Automotive Wireless Charging Design
January 16 2019 - 3:00AM
Geneva, January 16, 2019 -- STMicroelectronics
(NYSE: STM), a global semiconductor leader serving customers
across the spectrum of electronics applications, announced that its
automotive NFC Reader IC (ST25R3914) and its automotive 8-bit
microcontroller (STM8AF) have been chosen for the Qi-compliant
automotive wireless charging reference design from Rohm.
Contactless communication based on NFC is already in extensive use
for functions such as mobile payment by smartphone and in recent
years, NFC use has been rapidly widening from mobile devices to
industrial equipment, IoT devices, and even automotive systems.
The automotive wireless charging module reference
design from Rohm, for which they've selected ST's NFC Reader IC and
8-bit MCU, is based on the BD57121MUF-M, a Qi-standard 15-W
wireless charger IC being developed by Rohm that aims to increase
the adoption of wireless charging in the center console of the
vehicle. One benefit of ST's technology contribution is to enable
the sophisticated control that makes possible the detection of
contactless smart cards in proximity to the charging system in
order to halt the charging immediately. This important and
appreciated function prevents the failure of those cards due to the
strong magnetic field generated by the Qi transmitter.
ST's automotive NFC Reader IC, the ST25R3914, is an
AEC-Q100 grade 1 qualified NFC analog front-end device supporting
ISO14443A/B, ISO15693, FeliCa(TM), and active P2P. Its
best-in-class RF performance and its unique Automatic Antenna
Tuning function dynamically adapting to challenging metallic
environments make it the perfect fit for automotive applications.
It comes with a MISRA-C: 2012-compliant RF middleware which helps
to shorten the time required for software development.
The automotive 8-bit MCU from ST, STM8AF, provides
high performance, wide-ranging choice for memory size, and many
package options, contributing to more flexible automotive systems.
The MCU features true data EEPROM, CAN and LIN bus, and high
operating temperature support up to 150°C. In combination with the
NFC function, it can also be used as a controller to manage new
types of automotive NFC applications, such as Bluetooth® / Wi-Fi
pairings for smartphones, "infotainment" using NFC verification,
and engine start-up.
"Rohm's adoption of the ST NFC products and 8-bit
microcontroller for their Qi-standard automotive wireless-charging
reference design shows that ST's broad product lineup has big
potential for creating new and valuable automotive functions," said
Hiroshi Noguchi, Japan country manager, STMicroelectronics. "We
anticipate many auto manufacturers will see wireless charging as an
important added value that will provide ST with another way to
contribute to a more comfortable driving experience for
consumers."
ST and Rohm will demonstrate this Qi-standard
automotive wireless charging reference design in their booths at
the Automotive World 2019 (Tokyo, Jan 16 - 18, 2019).
About STMicroelectronics
ST is a global semiconductor leader delivering intelligent and
energy-efficient products and solutions that power the electronics
at the heart of everyday life. ST's products are found everywhere
today, and together with our customers, we are enabling smarter
driving and smarter factories, cities and homes, along with the
next generation of mobile and Internet of Things devices. By
getting more from technology to get more from life, ST stands for
life.augmented.
In 2017, the Company's net revenues were $8.35 billion, serving
more than 100,000 customers worldwide. Further information can be
found at www.st.com.
For more information please contact:
STMicroelectronics Michael Markowitz Director Technical Media
Relations Michael.Markowitz@st.com +1 781 591 0354
- ST Rohm Auto Wireless Charging.pdf
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