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2014-05-05

STMicroelectronics: STMicroelectronics Reveals Smart-Meter ICs for the Low-Energy Age, Ensuring Most Accurate Billing

Highly integrated metering chips maintain accuracy down to standby-power
levels, enabling confident and consistent billing

Geneva, May 5, 2014
- As today's home electronics and appliances offer ever-lower standby power,
new smart-meter chips from STMicroelectronics (NYSE: STM), a global
semiconductor leader serving customers across the spectrum of electronics
applications, enable utility companies to improve billing by measuring
accurately down to extremely low power levels.

Meters featuringST's new STPM32, STPM33 and STPM34 ICswill help utilities
minimize revenue losses and ensure consistent billing for even the most
frugal customers. Although existing meters are highly accurate at current
levels typically down to 50mA, errors at lower currents can bring about, in
today's low-standby era, up to Megawatt-hours of lost billings across a large
customer base. The STPM3 devices prevent such losses by keeping the meter
accuracy down to just a few milliamps, comparable to the current drawn by an
LED television in standby.

ST's new chips also enable the development of more economical meters that help
utilities reduce their operating costs. By performing power-quality
calculations on-chip, including RMS voltage[1]and current measurement,
apparent-energy computation, and under-voltage/over-voltage detection, the
chips can offload the meter's host processor thus simplifying software.
Neutral-phase tamper detection in the STPM33 and STPM34 helps further
simplify the design and enhance system security. The STPM34 can also
calculate apparent power[2]in single- and multi-phase systems.

The STPM3 devices integrate key functions that simplify hardware design,
saving external components and pc-board size. These include a voltage
regulator, a temperature-compensated voltage reference supporting long-term
accuracy, and a SPI/UART host connection allowing low-cost isolation for
immunity to DC magnetic fields. True single-point calibration also
streamlines meter manufacture and helps reduce field-servicing overheads. The
ICs can measure frequencies down to DC, while their wide bandwidth allows
accurate measurement of harmonic content for power-quality assessment.

TheSTPM32, STPM33 and STPM34provide two, three or four independent channels
respectively, for single- and poly-phase AC applications. They are fully
compliant with applicable International Electrotechnical Commission (IEC) and
American National Standards Institute (ANSI) standards as adopted by
regulatory authorities worldwide, and exceed State Power Grid Corporation of
China (SGCC) requirements.

Samples of STPM32, STPM33 and STPM34 are available now, pricing starts below
1$ for order quantities over 1,000 units.

About STMicroelectronics

ST is a global leader in the semiconductor market serving customers across the
spectrum of sense and power and automotive products and embedded processing
solutions. From energy management and savings to trust and data security,
from healthcare and wellness to smart consumer devices, in the home, car and
office, at work and at play, ST is found everywhere microelectronics make a
positive and innovative contribution to people's life. By getting more from
technology to get more from life, ST stands for life augmented.

In 2013, the Company's net revenues were $8.08 billion. Further information on
ST can be found atwww.st.com.

For Press Information Contact:

STMicroelectronics

Michael Markowitz

Director Technical Media Relations

+1 781 591 0354

Michael.Markowitz@st.com

---------------------------------------[1]RMS (Root Mean Square) or Effective voltage is the equivalent DC voltage
that produces the same average power as the AC voltage
[2]The total power, expressed as Volt-Amps (VA), combining true power (Watts)
and reactive power (Volt-Amps Reactive, or VAR)

Smart-meter ICs from STMicro_IMAGE
http://hugin.info/152740/R/1782422/610085.jpg
Smart-meter ICs from STMicro
http://hugin.info/152740/R/1782422/610084.pdf

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This announcement is distributed by NASDAQ OMX Corporate Solutions on behalf of NASDAQ OMX Corporate Solutions clients.
The issuer of this announcement warrants that they are solely responsible for the content, accuracy and originality of the information contained therein.
Source: STMicroelectronics via Globenewswire

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