Hot offer Ic chip IC 4-CH POWER MEASUREMENT Electronic components BOM Integrated circuit IC CS5484-INZ

Product Details

The CS5484 is a high-accuracy, four-channel, energy measurement analog front end. 

The CS5484 incorporates independent 4th order Delta-Sigma analog-to-digital converters for every channel, reference circuitry, and the proven EXL signal processing core to provide active, reactive, and apparent energy measurement. In addition, RMS and power factor calculations are available. Calculations are output through a configurable energy pulse, or direct UART/SPI™ serial access to on-chip registers. Instantaneous current, voltage, and power measurements are also available over the serial port. Multiple serial options are offered to allow customer flexibility. The SPI provides higher speed, and the 2-wire UART minimizes the cost of isolation where required. 

Four configurable digital outputs provide energy pulses, zero-crossing, energy direction, and interrupt functions. Interrupts can be generated for a variety of conditions including voltage sag or swell, overcurrent, and more. On-chip register integrity is assured via checksum and write protection. The CS5484 is designed to interface to a variety of voltage and current sensors including shunt resistors, current transformers, and Rogowski coils. 

On-chip functionality makes digital calibration simple and ultra-fast, minimizing the time required at the end of the customer production line. Performance across temperature is ensured with an on-chip voltage reference with low drift. A single 3.3V power supply is required, and power consumption is low at <13mW. To minimize space requirements, the CS5484 is offered in a low-cost, 5mm x5mm 28-pin QFN package.

Product Features

• Superior Analog Performance with Ultra-low Noise Level and High SNR 

• Energy Measurement Accuracy of 0.1percent over 4000:1 Dynamic Range 

• Current RMS Measurement Accuracy of 0.1percent over 1000:1 Dynamic Range 

• 4 Independent 24-bit, 4th-order, Delta-Sigma Modulators for Voltage and Current Measurements 

• 4 Configurable Digital Outputs for Energy Pulses, Zero-crossing, or Energy Direction 

• Supports Shunt Resistor, CT, and Rogowski Coil Current Sensors 

• On-chip Measurements/Calculations: 

- Active, Reactive, and Apparent Power 

- RMS Voltage and Current 

- Power Factor and Line Frequency 

- Instantaneous Voltage, Current, and Power 

• Overcurrent, Voltage Sag, and Voltage Swell Detection 

• Ultra-fast On-chip Digital Calibration 

• Internal Register Protection via Checksum and Write Protection 

• UART/SPI™ Serial Interface 

• On-chip Temperature Sensor 

• On-chip Voltage Reference (25ppm/°C Typ.) 

• Single 3.3V Power Supply 

• Ultra-fine Phase Compensation 

• Low Power Consumption: <13mW 

• Power Supply Configurations 

- GNDA = GNDD = 0V, VDDA = +3.3V 

• 5mmx5mm 28-pin QFN Package

Specifications

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