MAXQ3180-RAN+ datasheet(25/48 Pages) MAXIM

25 / 48 page

Low-Power, Multifunction, Polyphase AFE

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Table 4. RAM Register Summary (continued)

NAME

ADDRESS

(BYTE)

DESCRIPTION

R/W

DEFAULT

VALUE

(HEX)

BITS

NAME

DESCRIPTION

NOLOAD

138

0x08A

No-Load

Threshold

R/W

0x00F0

15:0

No-load threshold. Default

setting corresponds to 0.5W

140

0x08C

Raw Line-Cycle

Period

R/W

0x00640000

31:0

Number of scan frames per line

cycle, LSB = 2(-16)

15:4

RAW_TEMP

[15:4]

Raw ADC output, proportional to

absolute die temperature

RAW_TEMP

144

0x090

Temperature

Sample

—

3:0

—

Reserved

RESERVED

146–223

—

PHASE_A_

KWHAP

224

0x0E0

Active Positive

Energy

—

15:0

Accumulated active energy in

positive direction. Units defined

by KWHT setting.

PHASE_A_

KWHAN

226

0x0E2

Active Negative

Energy

—

15:0

Accumulated active energy in

negative direction. Units defined

by KWHT setting.

PHASE_A_

KWHR1

228

0x0E4

Reactive Q1

Energy

—

15:0

Accumulated reactive energy in

quadrant 1. Units defined by

KWHT setting.

PHASE_A_

KWHR2

230

0x0E6

Reactive Q2

Energy

—

15:0

Accumulated reactive energy in

quadrant 2. Units defined by

KWHT setting.

PHASE_A_

KWHR3

232

0x0E8

Reactive Q3

Energy

—

15:0

Accumulated reactive energy in

quadrant 3. Units defined by

KWHT setting.

PHASE_A_

KWHR4

234

0x0EA

Reactive Q4

Energy

—

15:0

Accumulated reactive energy in

quadrant 4. Units defined by

KWHT setting.

PHASE_A_

KWHAP

236

0x0EC

Apparent Energy

—

15:0

Accumulated apparent energy.

Units defined by KWHT setting.

PHASE_A_

KWHIH

238

0x0EE

Amp-Hours

—

15:0

Accumulated amp-hours. Units

defined by KAHT setting.

PHASE_A_I

_GAIN

240

0x0F0

Current Gain

Coefficient

R/W

0x0000

15:0

Signed two’s complement;

used to correct IRMS:

Y = X x (1 + gain/216)

PHASE_A_V

_GAIN

242

0x0F2

Voltage Gain

Coefficient

R/W

0x0000

15:0

Signed two’s complement;

used to correct VRMS:

Y = X x (1 + gain/216)

PHASE_A_E

_GAIN_HI

244

0x0F4

Power and

Energy Gain

Coefficient

R/W

0x0000

15:0

Signed two’s complement;

used to correct pwr:

Y = X x (1 + gain/216)

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