MAXQ3183 Datasheet, PDF (43/102 Pages) Maxim Integrated Products – Low-Power, Multifunction, Polyphase AFE with Harmonics and Tamper Detect

Low-Power, Multifunction, Polyphase AFE
with Harmonics and Tamper Detect
Bit:
Name:
Reset:
Measurements
Line Frequency (LINEFR) (0x062)
15
14
13
12
11
10
9
8
Line Frequency High Byte
Bit:
Name:
Reset:
7
6
5
4
3
2
1
0
Line Frequency Low Byte
Line frequency, LSB = 0.001Hz.
Bit:
Name:
Reset:
Power Factor, Phase X = A/B/C (X.PF) (A: 0x1C6, B: 0x2B2, C: 0x39E)
15
14
13
12
11
10
9
8
Power Factor High Byte
0x00
Bit:
Name:
Reset:
7
6
5
4
3
2
1
0
Power Factor Low Byte
0x00
Power factor of phase A/B/C, LSB = 1/2¹⁴. Note that the power factors are signed integers, and a negative value
indicates a reversed power flow direction.
Bit:
Name:
RMS Voltage, Phase X = A/B/C (X.VRMS) (A: 0x1C8, B: 0x2B4, C: 0x3A0)
31
30
29
28
27
26
25
24
RMS Voltage Byte 3
Bit:
Name:
23
22
21
20
19
18
17
16
RMS Voltage Byte 2
Bit:
15
14
13
12
11
10
9
8
Name:
RMS Voltage Byte 1
Bit:
Name:
7
6
5
4
3
2
1
0
RMS Voltage Byte 0
This register provides the raw RMS voltage over the most recent DSP cycle, LSB = V_FS/2²⁴.
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