MAXQ3183 Maxim, MAXQ3183 Datasheet - Page 37
![no-image](/images/no-image-200.jpg)
MAXQ3183
Manufacturer Part Number
MAXQ3183
Description
The MAXQ3183 is a dedicated electricity measurement front-end that collects and calculates polyphase voltage, current, power, energy, and many other metering and power-quality parameters of a polyphase load
Manufacturer
Maxim
Datasheet
1.MAXQ3183.pdf
(102 pages)
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This register designates the threshold of the CFQ pulse. This value is used to set the meter constant for the CFQ
pulse output. When the CFQ pulse accumulator exceeds the value set in this register, the CFQ pulse output is acti-
vated and the CFQ pulse accumulator is reduced by the amount in this register.
This register contains gain coefficient for phase X current channel. The raw values are taken from the selected mea-
surement quantity and scaled by the factor:
Note: Bit 15 of this register must be set to zero for correct operation.
Bit:
Name:
Reset:
Bit:
Name:
Reset:
Bit:
Name:
Reset:
Bit:
Name:
Reset:
Bit:
Name:
Reset:
Bit:
Name:
Reset:
Current Gain, Phase X = A/B/C/N (X.I_GAIN) (A: 0x130, B: 0x21C, C: 0x308, N: 0x12E)
Low-Power, Multifunction, Polyphase AFE
______________________________________________________________________________________
31
23
15
15
7
7
with Harmonics and Tamper Detect
30
22
14
14
6
6
29
21
13
13
5
5
Current Gain Coefficient High Byte
Current Gain Coefficient Low Byte
X I GAIN
. _
2
28
20
12
12
4
4
14
THR2 Byte 3
THR2 Byte 2
THR2 Byte 1
THR2 Byte 0
0x00
0x10
0x00
0x00
0x40
0x00
CFQ Pulse Threshold (THR2) (0x028)
27
19
11
11
3
3
Calibration Registers
26
18
10
10
2
2
25
17
9
1
9
1
24
16
8
0
8
0
37
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