CS546X IC Family

The Cirrus Logic CS546X family of high-precision power meter ICs delivers unsurpassed performance and features for all metrology calculations.
Whether it’s single- or three-phase, residential or industrial, metering or monitoring, Cirrus Logic has a family of energy measurement products that are ideal for your needs.

Cirrus Logic’s CS546X energy management family is designed to accurately measure instantaneous current and voltage. These products are designed to accurately measure instantaneous current and voltage and calculate VRMS, IRMS, instantaneous power and average power (active/reactive/apparent) for high-performance energy measurement applications.

Features

• Meets accuracy spec for IEC, ANSI, JIS
• On-chip functions:
• Energy data linearity ±0.1% of reading over 1000:1 dynamic range
• On-chip energy calculations.
• 24-bit fourth-order Delta Sigma A/D converters for precise measurements
• On-chip 2.5 V reference (tempco 25 ppm/°C typ)
• On-chip energy direction indicator
• 24-pin SSOP package