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MCP39F511A Datasheet(PDF) 1 Page - Microchip Technology |
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MCP39F511A Datasheet(HTML) 1 Page - Microchip Technology |
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1 / 68 page  2018 Microchip Technology Inc. DS20006044A-page 1 MCP39F511A AC/DC Dual-Mode Power-Monitoring IC with Calculation and Energy Accumulation Features • Real-Time Measurement of Input Power for AC or DC Supplies • AC/DC Dual-Mode Power Monitoring Accuracy Capable of 0.1% Error Across 4000:1 Dynamic Range • Automatic Sensing and Switching Between AC and DC Modes • Built-In Calculations on Fast 16-Bit Processing Core - Active and Reactive Energy Accumulation - Active, Reactive, Apparent Power - True 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 • Automatic Saving the Energy Accumulation Registers into EEPROM at Power Off • Automatic Loading the Energy Accumulation Registers from EEPROM at Power On • Signed Active and Reactive Power Outputs • Dedicated Zero Crossing Detection (ZCD) Pin Output with Less than 200 µs Latency • Dedicated PWM Output Pin with Programmable Frequency and Duty Cycle • Automatic Event Pin Control through Fast Voltage Sag/Surge Detection • Two Wire Serial Protocol with Selectable Baud Rate Up to 115.2 kbps using Universal Asynchronous Receiver/Transmitter (UART) • Four 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, 7 ppm/°C Typical • 28-lead 5x5 QFN Package • Extended Temperature Range -40°C to +125°C Applications • Power Monitoring and Management for Smart Home/City • Industrial Lighting Power Monitoring • Power Measurement for Renewable Energy Sys- tem • Intelligent Power Distribution Units • Server Power Monitor Description The MCP39F511A device is a highly-integrated, complete single-phase power-monitoring IC designed for real-time measurement of input power for AC or DC power supplies, making it suitable for a wide range of consumer and industrial applications. It is capable of detecting the input voltage in order to work as DC or AC mode. It includes dual-channel Delta-Sigma ADCs, a 16-bit calculation engine, EEPROM and a flexible 2-wire interface. Separate AC and DC calibration registers are provided, to ensure high-accuracy measurements in both modes. An integrated low-drift voltage reference with 7 ppm/°C in addition to 94.5 dB of SINAD performance on each measurement channel allows for better than 0.1% accurate designs across a 4000:1 dynamic range. Package Types 1 25 2 3 4 5 89 10 11 12 21 20 19 18 17 28 27 26 24 EVENT1 NC UART_RX COMMONA NC EP 29 6 7 OSCI OSCO 13 14 16 15 23 22 I1+ I1- V1- V1+ AN_IN AGND EVENT2 MCP39F511A 5x5 QFN* *Includes Exposed Thermal Pad (EP); see Table 3-1. |
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