STPM11ATR Energy Metering IC from STMicroelectronics

The STPM11ATR is a highly sophisticated energy metering integrated circuit (IC) designed and manufactured by STMicroelectronics. This precision analog front-end device is tailored for effective energy metering in residential and industrial environments. It is an essential component in smart meters, power monitoring systems, and other applications requiring accurate energy consumption measurements.

The STPM11ATR is part of STMicroelectronics' STPM10 series, which is known for its high accuracy and performance in energy measurement. This IC incorporates advanced features such as a programmable gain amplifier, a voltage reference, an ADC, and a modulator. These components work together to ensure precise measurement of active, reactive, and apparent energy with minimal external components required.

One of the key features of the STPM11ATR is its ability to support a wide range of current sensors, including shunts, current transformers, and Rogowski coils. This versatility makes it suitable for various applications and allows for flexibility in design. Additionally, the IC offers a high level of integration, which helps to reduce the overall system cost and complexity.

With its excellent linearity and low temperature coefficient, the STPM11ATR maintains accuracy over a wide temperature range, ensuring reliable operation under different environmental conditions. It also includes a tamper detection feature that enhances the security and reliability of the metering system by identifying potential fraudulent activities.

The device communicates through a serial peripheral interface (SPI), allowing easy integration with microcontrollers and other digital systems. The STPM11ATR is available in a small TSSOP24 package, making it ideal for space-constrained applications.

Overall, the STPM11ATR from STMicroelectronics represents a state-of-the-art solution for energy metering, delivering high accuracy, reliability, and flexibility. Its advanced features and integration capabilities make it a top choice for designers looking to create efficient and secure energy metering systems.