MCP39F511-E/MQ Microchip

MCP39F511 Power-Monitoring IC with Calculation and Energy Accumulation Features Description Power Monitoring Accuracy Capable of 0.1% The MCP39F511 is a highly integrated, complete Error Across 4000:1 Dynamic Range single-phase power-monitoring IC designed for real-time measurement of input power for Built-In Calculations on Fast 16-Bit Processing AC/DCpower supplies, power distribution units, Core consumer and industrial applications. It includes - Active, Reactive, Apparent Power dual-channel Delta-Sigma ADCs, a 16-bit calculation - True RMS Current, RMS Voltage engine, EEPROM and a flexible 2-wire interface. An - Line Frequency, Power Factor integrated low-drift voltage reference with 10 ppm/C in 64-bit Wide Import and Export Active Energy addition to 94.5 dB of SINAD performance on each Accumulation Registers measurement channel allows for better than 0.1% accurate designs across a 4000:1 dynamic range. 64-bit Four Quadrant Reactive Energy Accumulation Registers Package Types Signed Active and Reactive Power Outputs MCP39F511 Dedicated Zero Crossing Detection (ZCD) Pin 5x5 QFN* Output with Less than 200 s Latency Dedicated PWM Output Pin with Programmable Frequency and Duty Cycle Automatic Event Pin Control through Fast Voltage Surge Detection Less than 5 ms Delay Two Wire Serial Protocol with Selectable Baud 28 27 26 25 24 23 22 1 A Rate Up to 115.2 kbps using Universal EVENT1 21 GND Asynchronous Receiver/Transmitter (UART) NC 2 20 AN IN Four Independent Registers for Minimum and NC 3 19 V1+ Maximum Output Quantity Tracking EP UART RX 4 18 V1- Fast Calibration Routines and Simplified 29 COMMON A 5 17 I1- Command Protocol 16 I1+ OSCI 6 512 Bytes User-Accessible EEPROM through OSCO EVENT2 Page Read/Write Commands 7 15 Low-Drift Internal Voltage Reference, 10 ppm/C 8 910 11 12 13 14 Typical 28-lead 5x5 QFN Package Extended Temperature Range -40C to +125C Applications *Includes Exposed Thermal Pad (EP) see Table 3-1. Power Monitoring for Home Automation Industrial Lighting Power Monitoring Real-Time Measurement of Input Power for AC/DC Supplies Intelligent Power Distribution Units 2015 Microchip Technology Inc. DS20005393B-page 1 DR NC NC D GND RESET MCLR AV DV DD DD D GND UART TX REFIN+/OUT COMMON B ZCD PWMMCP39F511 Functional Block Diagram AV A DV D DD GND DD GND Timing OSCI GGenereneratatiioonn OSCO Internal Oscillator UART TX UART Serial UART RX 24-bit Delta-Sigma Interface I1+ + Multi-level PGA I1- - Modulator ADC 16-BIT PWM CORE FLASH V1+ 24-bit Delta-Sigma EVENT1 + Multi-level PGA Calculation V1- - Modulator ADC EVENT2 Engine Digital Outputs (CE) ZCD 10-bit SAR AN IN ADC DS20005393B-page 2 2015 Microchip Technology Inc. 3 3 SINC SINC Digital Filter Digital Filter