Microchip Technology MCP39F521単相電力監視デバイス
Microchip MCP39F521単相電力監視デバイスには、4000:1ダイナミックレンジ全体で0.1%の誤差の能力を持つ電力監視精度があります。 MCP39F521は、AC/DC電源、電力分配装置、民生および工業アプリケーションを対象とした入力電力のリアルタイム測定用に設計されています。 このデバイスには、デュアルチャンネルデルタシグマ型ADC、16ビット計算エンジン、EEPROM、柔軟性に富んだ2線式I2Cインターフェースが搭載されています。
特徴
- 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
アプリケーション
- 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
公開: 2016-08-17
| 更新済み: 2022-03-11