Merged wireless businesses to boost product innovation
NXP and STMicroelectronics have combined their
wireless operations to form a joint-venture company.
The new company will have the scale to better meet
customer needs in 2G, 2.5G, 3G, multimedia, connectivity
and all future wireless technologies. The combined
venture will own thousands of important
communication and multimedia patents, and offer the
scale and expertise to drive future R&D investments.
Photosensor simplified by digital interface and programmable interrupt
Avago Technologies’ new miniature digital ambient-light
photosensor now incorporates a digital I2C interface to
simplify implementation. Moreover, the APDS-9300
low-voltage ambient light sensor, which is designed
to approximate the spectral response curve of the
human eye, also incorporates a user-programmable
interrupt function for further simplified integration.
Digitally programmable TinyBuck™ regulator improves efficiency
The FAN5355, an 800mA/1000mA 3MHz TinyBuck™
converter from Fairchild Semiconductor®, has been
designed with a proprietary ultra-fast architecture which
features a low typical quiescent current in PFM mode of
37µA, yet delivers ultra-fast transient response. This
makes the application more resilient to unexpected
fluctuations in load. In addition, this architecture creates
lower ripple during PFM mode, reducing system noise
and drastically improving light load efficiency to 85%
even at loads of only 1mA. For more moderate to heavy
loads, careful optimisation of the power train contributes
to a conversion efficiency of more than 90% during PWM
mode.
Smallest step-down switching regulators
National Semiconductor’s new LM34917A and LM34919
are the smallest non-synchronous buck regulators to
feature a supply voltage rating up to 50V, 1.25A
continuous output current, intelligent current limiting
and over-voltage protection. These PowerWise® buck
regulators supply up to 1.2A and feature intelligent
current limiting and over-voltage protection. Additionally,
these products integrate MOSFET switches to reduce
system component count, and a high switching
frequency to enable the use of ultra-small inductors and
capacitors.
Transceiver design simplifies low-data-rate communications
ON Semiconductor’s new ETSI-compliant design offers
hardware and software to simplify implementation of
low-to-moderate data rate wireless communications in
industrial and security applications for the European
market. The design, based around the company’s
AMIS-53050 single-chip wireless transceiver, passes all
test cases for conducted and radiated measurements
according to EN 300 220-2. Using the reference board,
engineers can configure a variety of low power end
applications and test modes, and can choose between
Frequency Shift Key (FSK) and On/Off Key (OOK)
modulation. An accompanying CD-ROM provides the
necessary configuration software and documentation to
facilitate rapid evaluation and prototyping. For more
information see www.my-boardclub.com.
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