ST energy metering ICs provide accurate measurement of electrical parameters in single-phase and multi-phase systems. Designed for smart metering, smart grid, and power monitoring applications, these devices support high-precision sensing of voltage, current, active power, reactive power, apparent power, energy, and line-quality events such as sag, swell, zero-crossing, and tamper detection.
The portfolio includes analog front-end solutions and smart sensor devices optimized for use with Rogowski coils, current transformers, shunt resistors, and Hall-effect sensors. With flexible communication interfaces, programmable gain, and robust signal processing, ST’s smart power metering solutions help designers build reliable and scalable energy measurement systems for residential, commercial, and industrial applications, with a strong focus on energy efficiency
ST energy metering ICs provide accurate measurement of electrical parameters in single-phase and multi-phase systems. Designed for smart metering, smart grid, and power monitoring applications, these devices support high-precision sensing of voltage, current, active power, reactive power, apparent power, energy, and line-quality events such as sag, swell, zero-crossing, and tamper detection.
The portfolio includes analog front-end solutions and smart sensor devices optimized for use with Rogowski coils, current transformers, shunt resistors, and Hall-effect sensors. With flexible communication interfaces, programmable gain, and robust signal processing, ST’s smart power metering solutions help designers build reliable and scalable energy measurement systems for residential, commercial, and industrial applications, with a strong focus on energy efficiency
Product types
A full set of on-board DSP features enables high system integration and on-chip power-quality monitoring, reducing the total cost of ownership and helping simplify design efforts to lower BOM and shorten time to market. These solutions are fully compliant with the applicable International Electrotechnical Commission (IEC) and American National Standards Institute (ANSI) standards, and exceed State Power Grid Corporation of China (SGCC) requirements.
Our developer ecosystem includes user-friendly evaluation boards and ready-to-use example code, making it easier to accelerate development from evaluation to deployment.
Applications
ST smart metering ICs are designed for precise energy measurement, monitoring, and event detection across a wide range of power systems. In the smart grid era, smart metering helps consumers better understand and reduce energy use while giving utilities and energy distributors the visibility needed to manage supply and demand more efficiently, resulting in lower costs, higher reliability, reduced tampering, and lower carbon emissions.
Our dedicated application hub provides information on smart metering solutions that enable real-time communication between meters, data concentrators, and the cloud.
Benefits
- High-accuracy AC energy and line parameter measurement
- Supports shunt, CT, Rogowski coil, and Hall-effect sensor sensing
- Detects sag, swell, zero-crossing, and tamper events
- Flexible for single-phase, split-phase, and multi-phase metering
- Compact packages ideal for cost-sensitive designs
- Easy integration with host controllers through serial interfaces
- Configurable gain, calibration, and event handling for system optimization
- Supported by a developer ecosystem with evaluation boards and ready-to-use example code
- Ideal for residential, commercial, and industrial energy monitoring
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