MAXQ3181-RAN+ Maxim Integrated Products, MAXQ3181-RAN+ Datasheet - Page 79
![IC AFE POLYPHASE LO-PWR 28-TSSOP](/photos/6/59/65919/175-28-tssop_sml.jpg)
MAXQ3181-RAN+
Manufacturer Part Number
MAXQ3181-RAN+
Description
IC AFE POLYPHASE LO-PWR 28-TSSOP
Manufacturer
Maxim Integrated Products
Datasheet
1.MAXQ3181-RAN.pdf
(84 pages)
Specifications of MAXQ3181-RAN+
Number Of Channels
8
Power (watts)
35mW
Voltage - Supply, Analog
3.3V
Voltage - Supply, Digital
3.3V
Package / Case
28-TSSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Number Of Bits
-
- Current page: 79 of 84
- Download datasheet (899Kb)
This signed register provides the raw real energy accumulated over the most recent DSP cycle. For each ADC sam-
ple period, the real instantaneous power calculated from the instantaneous voltage and current is accumulated. At
the end of each DSP cycle, the result of the accumulation over the DSP cycle is copied to this register and is accu-
mulated in X.EAPOS or X.EANEG, depending on the sign of the accumulated energy.
LSB of the energy registers is V
This signed register provides the raw apparent energy accumulated over the most recent DSP cycle.
Bit:
Name:
Bit:
Name:
Bit:
Name:
Bit:
Name:
Bit:
Name:
Bit:
Name:
Bit:
Name:
Bit:
Name:
Low-Power, Active Energy, Polyphase AFE
______________________________________________________________________________________
31
23
15
31
23
15
7
7
Apparent Energy, Phase X = A/B/C (X.APP) (A: 0x1D8, B: 0x2C4, C: 0x3B0)
Real Energy, Phase X = A/B/C (X.ACT) (A: 0x1D0, B: 0x2BC, C: 0x3A8)
30
22
14
FS
30
22
14
6
6
x I
FS
x t
FR
29
21
13
/2
29
21
13
5
5
16
.
Apparent Energy Byte 3
Apparent Energy Byte 2
Apparent Energy Byte 1
Apparent Energy 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
Energy Accumulated in the Last DSP Cycle
27
19
11
27
19
11
3
3
26
18
10
26
18
10
2
2
25
17
25
17
9
1
9
1
24
16
24
16
8
0
8
0
79
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