Cypress MicroSystems offers a family of PSoC Energy Meter ICs and accompanying reference design that streamlines the development of single-phase energy meters. The Energy Meter Design Kit offers a cost-effective and low power solution for engineers building IEC 61036-compliant systems that measure residential or business electricity usage.
The PSoC product family is based on Cypress's reconfigurable mixed signal array with an on-board controller. PSoC devices offer an integrated mix of analog and digital logic, memory and processing circuitry in one small package. When used in a power metering application, PSoC reduces the number of system components, which significantly decreases bill of material costs and improves reliability.
The CY8C775X devices integrate active, reactive, and apparent-power measurement analog front end, M8 MCU, realtime clock, EEPROM, IEC1107 optical port, and interfaces for three display options.
The inherent flexibility through PSoC's programmability allows meter manufacturers to configure their PSoC metering IC with unique features to differentiate devices in the marketplace. In contrast, traditional microcontroller-based reference designs require additional expensive fixed-function analog front-end chips to perform functions such as signal amplification, filtering, ADC, LCD control, and realtime clock generation.
The energy meter source code is available for free at www.cypressmicro.com listed under reference designs. However, detailed performance information, calibration methods, and customisation options are only available through the Cypress representative.
For more information contact Simon Churches, Arrow Altech Distribution, 011 923 9600, [email protected]
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