MSP430F67621 Overview
The TI MSP430F676x1 polyphase metering SoCs are powerful highly integrated solutions for revenue meters that offer accuracy and low system cost with few external ponents. The F676x1 uses the lowpower MSP430™ CPU with a 32-bit multiplier to perform all energy calculations, metering applications such as tariff rate management, and munications with AMR or AMI modules.
MSP430F67621 Key Features
- Accuracy <0.5% Over 2000:1 Dynamic Range for Phase Current
- Meets or Exceeds ANSI C12.20 and IEC 63053 Standards
- Support for Multiple Sensors Such as Current Transformers, Rogowski Coils, or Shunts
- Power Measurement for up to Three Phases
- Four-Quadrant Measurement per Phase or Cumulative
- Exact Phase Angle Measurements
- Digital Phase Correction for Current Transformers
- 40-Hz to 70-Hz Line Frequency Range Using Single Calibration
- Flexible Power Supply Options With Automatic Switching
- Display Operates at Very Low Power During AC Mains Failure: 3 µA in LPM3