DESCRIPTION
The 78M6613 is a highly integrated IC for simplified implementation of single-phase AC power measurement into power supplies, smart appliances, and ot her applications with embedded AC load monitoring and control. It is packaged in a small, 5mm x 5mm, 32-pin QFN package for optimal space savings.

FEATURES
• < 0.5% Wh Accuracy Over Wide 2000:1
   Current Range and Over Temperature
• Voltage Reference < 40ppm/°C
• Four Sensor Inputs—V3P3A Referenced
• 22-Bit Delta-Sigma ADC with Independent
   32-Bit Compute Engine (CE)
• 8-Bit MPU (80515), One Clock Cycle per
   Instruction with 2KB MPU XRAM
• 32KB Flash with Security
• Integrated In-Circuit Emulator (ICE) Interface
   for MPU Debug
• 32kHz Time Base with Hardware Watchdog
   Timer
• UART Interface and Up to 10 GeneralPurpose 5V Tolerant I/O Pins
• Packaged in a RoHS-Compliant (6/6)
   Lead(Pb)-Free, 32-Pin QFN (5mm x 5mm)
• Complete Application Firmware Provides:
   o True RMS Calculations for Current,
      Voltage, Line Frequency, Real Power,
      Reactive Power, Apparent Power, and
      Power Factor
   o Accumulated Watt-Hours, Kilowatt-Hours
   o Intelligent Switch Control at Zero
      Crossings
   o Digital Temperature Compensation
   o Phase Compensation (±15°)
   o Quick Calibration Routines
   o 46–64Hz Line Frequency Range with
      Same Calibration