MAXQ3183 Maxim, MAXQ3183 Datasheet - Page 46

• 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

Low-Power, Multifunction, Polyphase AFE
with Harmonics and Tamper Detect
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.
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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