BL0939 Smart Meter IC, Multifunction Energy Measurement, SOP16 / SSOP20

The BL0939 is a calibration-free multifunction energy measurement IC supporting UART and SPI interfaces. It is designed for smart charging stations and single-phase smart circuit breakers, offering reliable real-time power monitoring.

Key Specifications

• Measurement Type: Active Energy, Current, Voltage, Power

• Power Consumption: 10mW

• ADC Channels: 3

• Output Interface: UART / SPI

• Output Clock: Internal

• Supply Voltage (VDD): 3.3V

• Calibration Free: Yes

• Packages: SOP16, SSOP20

Applications

• Electric bicycle charging piles

• Single-phase smart circuit breakers

Features

• Calibration-free operation

• Digital communication interface

• Suitable for intelligent protection systems