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