Single-Phase Energy Measurement
Description
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Single-Phase Energy Measurement IC with 8052 MCU, RTC and LCD driver
Preliminary Technical Data
GENERAL FEATURES
Wide supply voltage operation 2.
4 to 3.
7V Battery supply input with Automatic switch-over Reference 1.
2 V ± 1% (drift 50 ppm/°C Maximum) 64-Lead Quad Flat (LQFP) or Chip Scale (LCSP) Lead Free Packages Operating Temperature -40°C to 85°C
ADE7169F16
MICROPROCESSOR FEATURES
8052 based core Single-cycle 4MIPS 8052 core 8052 compatible instruction set 32.
768 kHz external crystal with on-chip PLL Two external interrupt sources External reset pin Real Time Clock Counter for seconds, minutes and hours Automatic battery switchover for RTC back up Ultra-Low Battery Supply Current < 1μA Software clock calibration with temperature and offset compensation Integrated LCD driver 104-segment with 2, 3 or 4 Multiplexer 3V/5V driving capability Internally generated LCD drive voltages Temperature and Supply compensated drive voltages Low power battery mode Wake-up from I/O and UART LCD driver capability On-chip peripherals UART, SPI or I2C Watch-Dog timer Power Supply Monitoring with User Selectable Levels Memory: 16kBytes Flash Memory, 512 Bytes RAM Development tools Single pin emulation IDE based assembly and C source debugging
ENERGY MEASUREMENT FEATURES
High accuracy active, reactive energy measurement IC, supports IEC 62053-21, 62053-22, 62053-23 Two differential inputs with PGAs to support Shunt, Current Transformer and di/dt current sensors Selectable Digital integrator to support di/dt current sensor Digital parameters for Gain, offset and phase compensation Selectable No-load threshold level for Watt, VA, and VAR anti-creep Less than 0.
1% error on active energy over a dynamic range of 1000 to 1 @ 25C Less than 0.
5% error on reactive energy over a dynamic range of 1000 to 1 @ 25C Less than 0.
5% error on rms measurements over a dynamic range of 1000 to 1 for current and 100:1 for voltage @ 25C Auto-calibration of offsets High frequency outputs...
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