MCP39F521
I2C Power Monitor with Calculation and Energy Accumulation
Features Description Power Monitoring Accuracy Capable of 0.1%
Error Across 4000:1 Dynamic Range Built-In Calculations on Fast 16-bit Processing
Core
-Active, Reactive, Apparent Power
-True Root Mean Square (RMS) Current,
RMS Voltage
-Line Frequency, Power Factor 64-bit Wide Import and Export Active Energy
Accumulation Registers 64-bit Four Quadrant Reactive Energy
Accumulation Registers Signed Active and Reactive Power Outputs Dedicated Zero Crossing Detection (ZCD) Pin
Output with Less than 100 Вµs Latency Automatic Event Pin Control through Fast Voltage
Surge Detection, Less than 5 ms Delay I2C Interface, up to 400 kHz Clock Rate Two Independent Registers for Minimum and
Maximum Output Quantity Tracking Fast Calibration Routines and Simplified
Command Protocol 512 Bytes User-Accessible EEPROM through
Page Read/Write Commands Low-Drift Internal Voltage Reference,
10 ppm/В°C Typical 28-lead 5 x 5 mm QFN Package Extended Temperature Range -40В°C to +125В°C The MCP39F521 is a highly integrated, complete
single-phase power-monitoring device, designed for
real-time measurement of input power for AC/DC
power supplies, power distribution units, consumer and
industrial applications. It includes dual-channel
delta-sigma ADCs, a 16-bit calculation engine,
EEPROM and a flexible two-wire I2C interface. …