71m6521be Maxim Integrated Products, Inc., 71m6521be Datasheet - Page 80

• Manufacturer Part Number: 71m6521be
• Description: Energy Meter Ic
• Manufacturer: Maxim Integrated Products, Inc.

Other CE Parameters
MAINEDGE_X is useful for implementing a real-time clock based on the input AC signal. MAINEDGE_X is the number of half-
cycles accounted for in the last accumulated interval for the AC signal.
TEMP_RAW may be used by the MPU to monitor chip temperature. Temperature compensation is implemented by the CE,
based on the value written to TEMP_NOM.
GAIN_ADJ is a scaling factor for measurements based on the temperature. GAIN_ADJ is controlled by the MPU for
temperature compensation.
Page: 80 of 97
Address
Address
0x11EC
0x105C
0x107C
0x1048
0x1080
0x1084
0x1050
0x1078
0x1054
0x1070
0x1074
CE
CE
TEMP_RAW_X
CREEP0_THR
CREEP1_THR
TEMP_NOM
WNOMINAL
DEGSCALE
VNOMINAL
GAIN_ADJ
SAG_THR
PPMC1
PPMC2
Name
Name
1.27*10
7646227
Default
Default
443000
19065
16384
8311
8311
© 2005-2008 TERIDIAN Semiconductor Corporation
N/A
N/A
N/A
N/A
8
Sag, Creep and Tamper Control
Scales all voltage and current inputs, based on the temperature
compensation mechanism. 16384 provides unity gain.
Linear parameter for temperature compensation.
Quadratic parameter for temperature compensation.
The threshold for sag warnings. The default value is equivalent to 80V RMS
if VMAX = 600V. The LSB value is 1.80587*10
Nominal voltage to be applied to the larger of the two currents when neutral
tampering is detected. The default value is equivalent to 230V RMS.
Nominal power consumption to be applied when magnetic tampering is
detected.
The default value is equivalent to 0.65Wh per accumulation interval, or
2300Wh/h (230V, 10A).
Description
Filtered, unscaled reading from the temperature sensor.
Reference temperature for temperature compensation.
Multiplier for temperature calculation.
Description
Wh threshold for channels A and B.
The default value is equivalent to 2.5W
LSB
LSB
Temperature Parameters
=
=
. 6
. 6
6952
6952
⋅
⋅
10
10
−13
−13
⋅
⋅
IMAX
IMAX
⋅
⋅
VMAX
VMAX
Energy Meter IC
N
N
F
F
ACC
ACC
S
S
-4
V (RMS).
71M6521BE
DATA SHEET
JANUARY 2008
V1.0