Features

  • 2 high-precision sigma-delta ADC for current and voltage measuring
  • The range of current（10mA~35A）@1mohm
  • The range of Active energy（1w~7700w）@1mohm@220V
  • Measure RMS Voltage and Current, fast current RMS, Active Power, Active Energy
  • The gain error is less than 1%, calibration-free when peripheral components meet certain conditions.
  • The current channel support electricleakage/over-current monitoring function, the threshold and response time can be configured
  • Voltage zero-Crossing logic output
  • Built-in waveform register for load type analysis, Waveform data can be output for load type analysis
  • Built-in temperature sensor, Meet the requirements of the product itself, such as over-temperature monitoring, high current node preset temperature alarm, room temperature measurement
  • SPI（≤900KHz）/UART（4800bps）
  • On-chip power supply monitoring, IC reset when VDD is lower than 2.7V(typical).
  • On-chip voltage reference of 1.218V
  • On-chip 4MHz oscillator circuit
  • Power supply 3.3V, low power consumption 10mW (typical)
  • Package：TSSOP14