Microchip MCP39F511单相电源实时监测解决方案

Microchip公司的MCP39F511是高度集成单相电源实时监测集成电路,用于实时测量AC/DC电源,分布电源单元,消费类电子和工业应用的输入电源.器件包括双路delta-sigma ADC,16位计算引擎,EEPROM和灵活的2线接口,温漂10 ppm/℃的基准电压,动态范围4000:1时的精度优于0.1%.本文介绍了MCP39F511主要特性,框图, 单相两线应用电路图以及MCP39F511电源监测演示板主要特性,电路图,材料清单和PCB设计图.
The MCP39F511 is a highly integrated, complete single-phase power-monitoring IC 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 2-wire interface. An integrated low-drift voltage reference with 10 ppm/℃ 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.
MCP39F511主要特性:
• 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 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 μS Latency
• Dedicated PWM Output Pin with Programmable Frequency and Duty Cycle
• Automatic Event Pin Control through Fast Voltage Surge Detection Less than 5ms Delay
• 24x Faster than Previous Version 115.2k Baud-Rate Two-Wire Serial Protocol using a 2-Wire Universal Asynchronous Receiver/Transmitter (UART)
• Eight Independent Registers for Minimum and Maximum Output Quantity Tracking
• Fast Calibration Routines and Simplified Command Protocol
• 512 Bytes User-Accessible EEPR...