BL6523 series is a versatile, wide range of single-phase multifunction electronic energy measurement IC that integrates high-precision Sigma-Delta ADC, voltage reference, power management and other analog circuit modules, and active treatment, something in power, current and voltage rms electrical parameters such as digital signal processing circuit, the external MCU only need to complete multi-function meter management and protocol procedures to all internal hardware algorithm parameters are then direct calculation, fully ensure the accuracy and reliability parameters, the product can Single-phase multi-rate multi-function meter meet design requirements. Operating voltage range: + 4.75 ~ 5.25V Operating temperature range: -40 ℃ ~ 85 ℃ BL6523B integrated 3-way metering ADC input, provides SPI communication interface, SSOP24 package BL6523G integrated 3-way metering ADC input, provides SPI / UART communication interface, SOP20L package BL6523X integrated 3-way metering ADC input, provides UART communication interfaces, SOP16 package