National Semiconductor

National Semiconductor

National Semiconductor, founded in 1959, was a major American semiconductor manufacturer known for its high-performance analog and mixed-signal integrated circuits. The company's product portfolio included a wide range of analog devices such as amplifiers, data converters, interface circuits, and power management products, which found applications in industries including automotive, communications, industrial, and consumer electronics. National Semiconductor was also renowned for its innovative solutions in areas like energy-efficient lighting, portable power management, and high-speed data converters. In 2011, Texas Instruments acquired National Semiconductor, integrating its product lines and technologies to further strengthen its position in the analog semiconductor market. Through its history, National Semiconductor made significant contributions to the advancement of analog and mixed-signal technology, leaving a lasting legacy in the semiconductor industry.

Energy Metering

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Operating Temperature
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Current - Supply
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National Semiconductor
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LM25056PSQ/NOPB
LM25056 17-V PMBUS CURRENT/VOLTA
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About  Energy Metering

Energy Metering refers to electronic devices designed to accurately measure electrical energy consumption in various power line systems. These ICs are typically used in applications such as smart meters, energy monitoring systems, and power management solutions. Energy metering ICs are specifically developed to provide high-precision measurement of voltage and current in single-phase, dual-phase, or three-phase power lines. These ICs can accurately calculate active energy (real power), reactive energy, and apparent energy, allowing for comprehensive energy monitoring. The ICs also offer features such as instantaneous root mean square (RMS) measurements of voltage and current. This provides real-time information on the actual power consumption at any given moment. Power Management ICs (PMICs) play a crucial role in regulating and managing the power supply within electronic systems. In the context of energy metering, PMICs are utilized to monitor and control the power input to the energy metering ICs, ensuring stable and accurate measurement of energy consumption. Energy metering ICs with integrated PMIC functionality provide a complete solution for energy measurement and power management in various applications. They enable accurate and reliable monitoring of energy consumption, helping users track and optimize their power usage. Overall, Integrated Circuits (ICs) - Power Management (PMIC) - Energy Metering devices are essential components in energy monitoring systems, offering precise measurement of electrical energy consumption in different power line configurations while incorporating power management capabilities.