The STPM14ATR is a highly integrated energy metering Integrated Circuit (IC) designed by STMicroelectronics, a global semiconductor leader. This precision analog front-end device is designed for effective energy measurement in power line systems and is ideal for a wide range of applications, including smart meters, power monitoring systems, and renewable energy management.

Key Features

• High Accuracy: The STPM14ATR offers outstanding metrological performance with an accuracy that meets the requirements of international metering standards. This ensures reliable measurement of active energy, reactive energy, and apparent energy.
• Dual-channel Design: It features a dual-channel input that allows for simultaneous measurement of two different power lines, making it versatile for various metering applications.
• Integrated Analog-to-Digital Converters: The device includes high-quality delta-sigma analog-to-digital converters (ADCs) for precise signal conversion, ensuring accurate readings and data processing.
• LED Driver for Energy Pulses: An integrated LED driver outputs energy pulses, providing a visual indication of energy consumption, which is useful for real-time monitoring.
• Serial Peripheral Interface (SPI): The inclusion of an SPI port allows for easy communication with a microcontroller, facilitating the retrieval and management of measurement data.

Applications

• Residential and industrial smart meters
• Power monitoring units
• Renewable energy systems
• Energy management systems

The STPM14ATR is housed in a compact TSSOP24 package, making it suitable for space-constrained applications. It operates over a wide temperature range, ensuring consistent performance in various environmental conditions. With its low power consumption and high integration, the STPM14ATR simplifies the design and reduces the cost of energy metering solutions.

STMicroelectronics' commitment to innovation is evident in the STPM14ATR, which provides a reliable and efficient way for manufacturers and designers to incorporate energy metering capabilities into their products. Its combination of performance, precision, and ease of use makes it a top choice for advanced metering infrastructure.