MAXQ3180 Maxim, MAXQ3180 Datasheet - Page 47
MAXQ3180
Manufacturer Part Number
MAXQ3180
Description
The MAXQ3180 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.MAXQ3180.pdf
(101 pages)
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On every DSP cycle, the contents of the X.REA register are tested, and, if negative, absolute values are added to
this register. When this register overflows, the RNOV bit in the X.EOVER register is set.
On every DSP cycle, the contents of the X.APP register are added to this register. When this register overflows, the
SOV bit in the X.EOVER register is set.
Bit:
Name:
Bit:
Name:
Bit:
Name:
Bit:
Name:
Bit:
Name:
Bit:
Name:
Bit:
Name:
Bit:
Name:
Low-Power, Multifunction, Polyphase AFE
______________________________________________________________________________________
31
23
15
31
23
15
7
7
Energy, Apparent, Phase X = A/B/C (X.ES) (A: 0x1F8, B: 0x2E4, C: 0x3D0)
30
22
14
30
22
14
6
6
29
21
13
29
21
13
5
5
Energy, Reactive Negative, Phase X = A/B/C (X.ERNEG)
Apparent Energy Byte 3
Apparent Energy Byte 2
Apparent Energy Byte 1
Apparent Energy Byte 0
Reactive Energy Byte 3
Reactive Energy Byte 2
Reactive Energy Byte 1
Reactive Energy Byte 0
28
20
12
28
20
12
4
4
27
19
11
27
19
11
3
3
(A: 0x1F4, B: 0x2E0, C: 0x3CC)
26
18
10
26
18
10
2
2
25
17
25
17
9
1
9
1
24
16
24
16
8
0
8
0
47