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PM9603AP Datasheet

SINGLE PHASE POWER/ENERGY METERING MODULE SPI INTERFACE

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SA9603B APPLICATION NOTE
PM9603AP
SINGLE PHASE POWER/ENERGY METERING MODULE
SPI INTERFACE
FEATURES
n Performs both power and energy n Uses a shunt resistor for current sensing
measurement
n Operates over a wide temperature
n Meets the accuracy requirements for
range
Class 1 AC Watt hour meters
n Isolated SPI interface.
n Protected against ESD
n Total power consumption rating below
500mW (excluding current sensing)
DESCRIPTION
The SAMES single phase power/energy metering module, the PM9603AP, provides
energy data via a isolated SPI interface.
Energy consumption is determined by the power measurement being integrated over
time.
The method of calculation takes the power factor into account.
The output of this innovative universal power/energy meter is ideally suited for energy
calculations in applications using a micro-controller.
The application utilises the SAMES SA9603B power metering integrated circuit for power
measurement.
As a safety measure, this application shows the current sensor connected to the neutral
line. In practice, the live line may be used for current sensing, provided that the supply
connections (MAINS) are reversed on the module.
7131
PDS038-SA9603B-001
REV.A
1/16
5-09-97
Sames
Sames


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