➀ This article introduces a two-phase power meter reference design featuring a high-performance analog front end and an embedded programmable gain amplifier, enhancing precision and cost-efficiency in energy measurement; ➁ The design is based on the Kinetis M series microcontrollers from NXP Semiconductors, designed for smart single-phase and two-phase energy meters; ➂ The design includes features like tamper detection, low-power modes, and AMI expansion headers for advanced metering infrastructure and remote control functionalities.