CS5460A-BS IC Single Phase Bi-Directional Power/Energy IC
The CS5460A is a highly integrated power measurement solution which combines two ∆Σ Analog-to-digital Converters (ADCs), high-speed power calculation functions, and a serial interface on a single chip. It is designed to accurately measure and calculate: Real (True) Energy, Instantaneous Power, IRMS, and VRMS for single phase 2- or 3-wire power metering applications. The CS5460A interfaces to a low-cost shunt resistor or transformer to measure current, and to a resistive divider or potential transformer to measure voltage. The CS5460A features a bi-directional serial interface for communication with a microcontroller and a pulse output engine for which the average pulse frequency is proportional to the real power. The CS5460A has on-chip functionality to facilitate AC or DC system-level calibration
Features/Specs:
- Energy Data Linearity: ±0.1% of Reading over 1000:1 Dynamic Range.
- On-Chip Functions: (Real) Energy, I ∗ V, IRMS and VRMS, Energy-to-Pulse Conversion
- Smart “Auto-boot” Mode from Serial EEPROM Enables Use without MCU.
- AC or DC System Calibration
- Mechanical Counter/Stepper Motor Driver
- Meets Accuracy Spec for IEC 687/1036, JIS
- Typical Power Consumption <12 mW
- Interface Optimized for Shunt Sensor
- V vs. I Phase Compensation
- Ground-Referenced Signals with Single Supply
- On-chip 2.5 V Reference (MAX 60 ppm/°C drift)
- Simple Three-wire Digital Serial Interface
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