
Maxim Integrated
DESCRIPTION
The Teridian™ 78M6613 is a highly integrated IC for simplified implementation of single-phase AC power measurement into power supplies, smart appliances, and other 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