Wednesday, July 23, 2014:
In May 2014, STMicroelectronics unveiled its smart-meter ICs for the low-energy age in which billing is done by measuring accurately down to extremely low power levels. Meters featuring ST’s new STPM32, STPM33 and STPM34 ICs will help utilities minimise revenue losses and ensure consistent billing for even the most frugal customers. The STPM3 devices prevent losses by keeping the meter accuracy down to just a few milliamps, comparable to the current drawn by an LED television in standby. By performing power-quality calculations on-chip, including RMS voltage and current measurement, apparent-energy computation and under-voltage/over-voltage detection, the chips can offload the meter’s host processor, thus simplifying software.
For further details: Ph: 080-66514000, www.st.com
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Electronics Bazaar, South Asia’s No.1 Electronics B2B magazine
