MAXQ3180 Maxim, MAXQ3180 Datasheet - Page 45

• 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

This register provides the raw RMS current over the most recent DSP cycle, LSB = I
On every DSP cycle, the contents of the X.ACT register are tested, and, if positive, are added to this register. When
this register overflows, the APOV 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
RMS Current, Phase X = A/B/C (X.IRMS) (A: 0x1CC, B: 0x2B8, C: 0x3A4)
30
22
14
30
22
14
6
6
29
21
13
29
21
13
5
5
Energy, Real Positive, Phase X = A/B/C (X.EAPOS)
RMS Current Byte 3
RMS Current Byte 2
RMS Current Byte 1
RMS Current Byte 0
Real Energy Byte 3
Real Energy Byte 2
Real Energy Byte 1
Real Energy Byte 0
28
20
12
28
20
12
4
4
27
19
11
27
19
11
3
3
(A: 0x1E8, B: 0x2D4, C: 0x3C0)
26
18
10
FS
26
18
10
2
2
/2
24
.
25
17
25
17
9
1
9
1
24
16
24
16
8
0
8
0
45