TIDUF27A February 2025 – March 2025 AMC131M03 , MSPM0G1507
| FEATURES | DESCRIPTION |
|---|---|
| Number of phases | 3 (each phase current is measured through a shunt), voltage through a resistor divider |
| Accuracy class | Class 0.2S |
| Dynamic range | 1:10000 (accuracy tested for 1:2000 or 50mA–100A) |
| Current sensor | Shunt |
| Tested current range | 0.05–100A |
| Tested voltage range | 100V–270V |
| AMC131M03 CLKIN frequency | 8,192,000Hz |
| AMC131M03 Delta-sigma modulation clock frequency | 4,096,000Hz (= CLKIN / 2) |
| SPI Clock | 19,968,000Hz |
| Oversampling ratio (OSR) | 1024 |
| Digital filter output sample rate | 4,000 samples per second |
| Phase compensation implementation | Software |
| Phase compensation resolution | 0.0176° at 50Hz or 0.0210° at 60Hz |
| Selected CPU clock frequency | 79,87MHz |
| System nominal frequency | 50Hz or 60Hz |
| Measured parameters | ? Active, reactive,
apparent power and energy ? Root mean square (RMS) current and voltage ? Power factor ? Line frequency |
| Update rate for measured parameters | Approximately equal to 1 second |
| Communication options | PC GUI through 5kVRMS isolated USB Type-C? or Bluetooth? low energy connection |
| Utilized LEDs | 2 LEDs: ACTive energy and REACTive energy |
| Board power supply | 5V with an LDO to 3.3V or directly 3V3 to DVCC rail and GND |