TI launches fully integrated SoCs for polyphase smart meters

February 03, 2013

February 03, 2013

Texas Instruments Incorporated announced 60 new fully integrated metering SoCs to be demonstrated at DistribuTECH 2013. The MSP430F677x SoCs can achieve electricity measurement accuracy that meets or exceeds global regulatory requirements for smart polyphase e-meters including IEC 62053-22 and ANSI C12.20 Class 0.2 standards. In addition, the large integrated memory on MSP430F677x SoCs enables more sophisticated metering features; while advanced anti-tampering protection helps electric utilities prevent power theft and meter manipulation.



An enhanced analog front end (AFE) with up to seven 24-bit sigma-delta data converters on the MSP430F677x SoCs provides accuracy across a full 2000:1 input current range throughout -40°C to +85°C. Combined with up to 512KB Flash and 32KB SRAM memory integrated on-chip, developers can incorporate sophisticated metering features like dynamic pricing tables for time of use, large buffer for interval data, DLMS/COSEM for meter data formatting, and communication stacks for both wired and wireless protocols.

The MSP430F677x SoCs include several advanced anti-tamper protection features. For example, dedicated pins associated with the on-chip real-time clock (RTC) detect and time-stamp meter tampering so utilities can easily track, reduce and prevent additional meter corruption.

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