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PM9106APE Datasheet Preview

PM9106APE Datasheet

SINGLE PHASE WATT MEASUREMENT MODULE

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SA9106 APPLICATION NOTE
PM9106AP
SINGLE PHASE WATT MEASUREMENT MODULE
WITH A 5 DIGIT LED DISPLAY
FEATURES
n Performs power measurement and di- n Uses a shunt resistor or for current
rectly drives a 5 digit (7 segment) LED
sensing
display
n Operates over a wide temperature
n Accuracy better than 1% (± 1 count)
range
n Protected against ESD
n Precision voltage reference on-chip
n Total power consumption rating below
800mW
DESCRIPTION
The SAMES single phase Watt measurement module, the PM9106AP includes an on-
board 5 digit (7 segment) Light Emitting Diode (LED) display. Active power is directly
displayed in watts, with a full scale of 20 000 watts.
The measured power is updated approximately every 2 seconds, giving an average
power reading for this period.
This method of calculation takes the power factor into account.
This innovative universal Watt measurement module is ideally suited for the display of
the measured power in single phase, industrial and domestic power measurement
applications.
The application utlises the SAMES SA9106AP single phase Watt measurement
integrated circuit for power measurement and display.
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.
4358
PDS038-SA9106-001 REV. A
1/10
06-09-1995




Sames

PM9106APE Datasheet Preview

PM9106APE Datasheet

SINGLE PHASE WATT MEASUREMENT MODULE

No Preview Available !

PM9106AP
BLOCK DIAGRAM
NEUTRAL IN
NEUTRAL OUT
NEUTRAL
(Mains)
LIVE
SHUNT
POWER
SUPPLY
SA9106A
WATT
METER
IC
DR-00913
5-DIGIT
LED
DISPLAY
ABSOLUTE MAXIMUM RATINGS*
Parameter
Symbol
Supply Voltage (Note 1)
Current Sense Input (Note 1)
Storage Temperature
Operating Temperature (Note2)
V
AC
VIV
T
STG
TO
Min
-2.5
-25
-10
Max
540
+2.5
+125
+70
Unit
V
V
°C
°C
Note 1:
Note 2:
Voltages are specified with reference to Live.
The SA9106AP integrated circuit is specified to operate over the temperature
range -10°C to +70°C. The module functionality will however depend upon
the external components used.
*Stresses above those listed under “Absolute Maximum Ratings” may cause permanent
damage to the device. This is a stress rating only. Functional operation of the device
at these or any other conditions above those indicated in the operational sections of this
specification, is not implied. Exposure to Absolute Maximum Ratings for extended
periods may affect device reliability.
2/10 sames


Part Number PM9106APE
Description SINGLE PHASE WATT MEASUREMENT MODULE
Maker Sames
Total Page 10 Pages
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