IL19006
THREE PHASE POWER/ENERGY METERING IC WITH
INSTANTANEOUS PULSE OUTPUT
FEATURES
•
Output frequency represents
the absolute sum of energy on
all three phases
•
Performs one, two or three
phase power and energy
measurement
•
Meets the IEC 521/1036
Specification requirements for
Class 1 AC Watt hour meters
•
Operates over a wide
temperature range
FUNCTIONAL DESCRIPTION:
The IL19006 Three Phase Power/Energy metering integrated circuit generates a pulse
rate output, the frequency of which is proportional to the absolute power consumption. The
IL19006 performs the calculations of active power.
The method of calculation takes the power factor into account.
Energy consumption is determined by the power measurement being integrated over time.
The output of this universal three phase power/energy metering integrated circuit, is ideally
suited for applications such as residential and industrial energy metering and control.
The IL19006 Three Phase Power/Energy metering integrated circuit is a CMOS mixed
signal Analog/Digital integrated circuit, which performs three phase power/energy
calculations over a range of 1000:1, to an overall accuracy of better than Class 1.
The integrated circuit includes all the required functions for 3-phase power and energy
measurement such as oversampling A/D converters for the voltage and current sense
inputs, power calculation and energy integration. Internal offsets are eliminated through
the use of cancellation procedures.
The IL19006 generates pulses, the frequency of which is proportional to the power
consumption. Two frequency outputs (FOUT1 and FOUT2) are available. The pulse rate
follows the instantaneous power measured.
•
Current transformers for
sensing
•
Excellent long term stability
•
Easily adaptable to different
signal levels
•
Precision voltage reference on-
chip
•
Pin selectable pulse rates
•
Support tamper detection
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