Microchip Technology MCP39F521 单相电源监控设备
Microchip MCP39F521 单相电源监控设备在 4000:1 动态范围内的电源监测精度能力为 0.1% 误差。 MCP39F521 设计用于实时测量交流/直流电源、配电装置、消费类和工业应用的输入电源。 该器件包括双通道 Δ-Σ ADC，一个 16 位计算引擎，EEPROM 和柔性两线 I2C 接口。
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 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 μs Latency
- Automatic Event Pin Control through Fast Voltage Surge Detection, Less than 5 ms Delay
- I2C Interface, up to 400kHz 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/°C Typical
- 28-lead 5x5mm QFN Package
- Extended Temperature Range -40°C to +125°C
应用
- Power Monitoring for Home Automation
- Industrial Lighting Power Monitoring
- Real-Time Measurement of Input Power for AC/DC Supplies
- Intelligent Power Distribution Units
Block Diagram
发布日期: 2016-08-17
| 更新日期: 2022-03-11