[原创] Microchip MCP39F511N双路单相电源监视方案

Microchip公司的MCP39F511N是带计算的双路单相电源监视IC,集成了用于双电流测量的双路24位Delta-Sigma ADC,用于电压测量的10位SAR ADC,16位计算引擎,EEPROM和灵活的两线接口,内部低漂移10 ppm/℃基准电压,动态范围4000:1,主要用于输入功率的实时测量如墙上插头,家庭自动化的电源监测,工业照明电源监测,AC/DC电源的输入功率实时监测和智能电源分布单元.本文介绍了MCP39F511N主要特性,框图,典型应用电路图以及MCP39F511N电源监视板主要特性,电路图,材料清单和PCB设计图.

The MCP39F511N is a highly integrated, completedual-channel single-phase power-monitoring ICdesigned for real-time measurement of input power fordual-socket wall outlets, power strips, and consumerand industrial applications. It includes dual-channel24-bit Delta-Sigma ADCs for dual-currentmeasurements, a 10-bit SAR ADC for voltagemeasurement, a 16-bit calculation engine, EEPROMand a flexible two-wire interface. An integrated low-driftvoltage reference with 10 ppm/℃ in addition to 94.5 dBof SINAD performance on each measurement channelallows for better than 0.5% accurate designs across a4000:1 dynamic range.

MCP39F511N主要特性:

• Power Monitoring of Two Loads with accuracy of0.5% across 4000:1 Dynamic Range
• Built-in Calculations on Fast 16-Bit ProcessingCore:
- Active, Reactive, Apparent Power
- True RMS Current, RMS Voltage..

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