With the growing consumption of energy worldwide, particularly in the residential market, utility providers need
increasingly accurate and cost-effective energy metering solutions. The Kinetis® KM3x_256 series
three-phase electricity meter reference design addresses these accuracy and cost needs by providing a
high-performance analog front end (24- bit AFE) combined with an embedded programmable gain amplifier (PGA) to
increase the accuracy of energy measurement, along with a cost-effective shunt sensing circuit implementation and
bill of materials (BOM).
The three-phase meter reference design is used for measurement and registration
of active and reactive energy in three-phase networks for direct connection. It is pre-certified according to
European EN50470- 1, EN50470-3, class B and C, as well as to IEC 62053-21 and IEC 62052-11 international standards
for electronic meters of active energy classes 2 and 1.