MAXQ3181-RAN+ datasheet(76/84 Pages) MAXIM

76 / 84 page

Low-Power, Active Energy, Polyphase AFE

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Phase-Angle Compensation

Phase Offset Current Threshold 1 (I1THR) (0x05C)

This register specifies the fraction of full-scale current that causes the MAXQ3181 to switch from PA0 to PA1 to pro-

vide phase-angle compensation. For more information, see the PA0, PA1, and PA2 register descriptions. The full-

scale current is represented by 0x10000.

Phase Offset Current Threshold 2 (I2THR) (0x05E)

This register specifies the fraction of full-scale current that causes the MAXQ3181 to switch from PA1 to PA2 to pro-

vide phase-angle compensation. For more information, see the PA0, PA1, and PA2 register descriptions. The full-

scale current is represented by 0x10000.

Miscellaneous Gain

Neutral Current Gain (N.I_GAIN) (0x12E)

This register contains gain compensation coefficient for the neutral current channel measurement. The raw values

are taken from the selected measurement quantity and scaled by N.I_GAIN/214.

Bit:

Name:

Phase Accumulator Current Threshold 1 High Byte

Reset:

0x00

Bit:

Name:

Phase Accumulator Current Threshold 1 Low Byte

Reset:

0x00

Bit:

Name:

Phase Accumulator Current Threshold 2 High Byte

Reset:

0x00

Bit:

Name:

Phase Accumulator Current Threshold 2 Low Byte

Reset:

0x00

Bit:

Name:

Compensation Coefficient High Byte

Reset:

0x40

Bit:

Name:

Compensation Coefficient Low Byte

Reset:

0x00

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