ADP1048ARQZ-R7 datasheet(73/84 Pages) AD

73 / 84 page

Data Sheet

ADP1047/ADP1048

Rev. 0 | Page 73 of 84

EXPONENT REGISTER

This register reads and writes exponents (N) for PIN, VIN, and IIN.

Table 118. Register 0xFE39—Exponent

Bits

Bit Name

R/W

Description

[15:11]

RSVD

Reserved.

[10:6]

Input current

exponent

R/W

Sets the exponent for the input current.

[5:3]

Input voltage

exponent

R/W

Sets the exponent for the input voltage.

[2:0]

Input power exponent

R/W

Sets the exponent for the input power.

READ UPDATE RATE REGISTER

Table 119. Register 0xFE3A—Read Update Rate

Bits

Bit Name

R/W

Description

[7:3]

RSVD

Reserved.

[2:0]

Averaging window

R/W

These bits set the averaging window for the power current and voltage readings; rms values

from one half ac line cycle are averaged over the programmed number of half ac line cycles.

Bit 2

Bit 1

Bit 0

Number of Half AC Line Cycles

128

512

1024

4096

8192

VIN SCALE MONITOR REGISTER

Table 120. Register 0xFE3B—VIN Scale Monitor

Bits

Bit Name

R/W

Description

[15:14]

RSVD

Reserved.

[13:11]

Exponent

R/W

Write the exponent (N) in twos complement format (KVIN = Y × 2N).

RSVD

Reserved.

[9:0]

Mantissa

R/W

Mantissa (Y[9:0]) used in KVIN linear mode format (KVIN = Y × 2N).

IIN_GSENSE REGISTER

Table 121. Register 0xFE3C—IIN_GSENSE

Bits

Bit Name

R/W

Description

[15:11]

Exponent

R/W

Write the exponent (N) in twos complement format (IIN_GSENSE = Y × 2N).

RSVD

Reserved.

[9:0]

Mantissa

R/W

Mantissa (Y[9:0]) used in IIN linear mode format (IIN_GSENSE = Y × 2N).

ADP1048ARQZ-R7 Datasheet(PDF) 73 Page - Analog Devices

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