ADP1048WARQZ-R7 datasheet(55/82 Pages) AD

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Data Sheet

ADP1048W

STATUS_INPUT REGISTER

A value of 1 in this register indicates that a fault has occurred.

Table 46. Register 0x7C—STATUS_INPUT

Bits

Bit Name

R/W

Description

VIN_OV_FAULT

1 = input overvoltage fault.

VIN_UV_WARN

1 = input undervoltage warning.

VIN_UV_FAULT

1 = input undervoltage fault.

VIN_LOW

1 = device is off due to insufficient input voltage; that is, input voltage is below the turn-off threshold.

IIN_OC_FAULT

1 = input overcurrent fault.

IIN_OC_WARN

1 = input overcurrent warning.

PIN_OP_WARN

1 = input overpower warning.

STATUS_TEMPERATURE REGISTER

A value of 1 in this register indicates that a fault has occurred.

Table 47. Register 0x7D—STATUS_TEMPERATURE

Bits

Bit Name

R/W

Description

OT_FAULT

1 = overtemperature fault.

OT_WARN

1 = overtemperature warning.

[5:0]

RSVD

Reserved.

READ_VIN REGISTER

This register returns the input voltage (V) in VIN linear mode format (X = Y × 2N).

Table 48. Register 0x88—READ_VIN

Bits

Bit Name

R/W

Description

[15:11]

Exponent

Return the exponent (N) used in VIN linear mode format (X = Y × 2N). The exponent is set in the

exponent register (Register 0xFE39, Bits[5:3]). The exponent is in twos complement format.

[10:8]

High bits

Mantissa high bits (Y[10:8]) used in VIN linear mode format (X = Y × 2N).

[7:0]

Low byte

Mantissa low byte (Y[7:0]) used in VIN linear mode format (X = Y × 2N). The exponent (N) is set in the

exponent register (Register 0xFE39, Bits[5:3]).

READ_IIN REGISTER

This register returns the input current (A) in current linear mode format (X = Y × 2N).

Table 49. Register 0x89—READ_IIN

Bits

Bit Name

R/W

Description

[15:11]

Exponent

Return the exponent (N) used in current linear mode format (X = Y × 2N). The exponent is set in the

exponent register (Register 0xFE39, Bits[10:6]). The exponent is in twos complement format.

[10:8]

High bits

Mantissa high bits (Y[10:8]) used in current linear mode format (X = Y × 2N).

[7:0]

Low byte

Mantissa low byte (Y[7:0]) used in current linear mode format (X = Y × 2N).

READ_VOUT REGISTER

This register returns the output voltage (V) in VIN linear mode format (X = Y × 2N).

Table 50. Register 0x8B—READ_VOUT

Bits

Bit Name

R/W

Description

[15:11]

Exponent

Return the exponent (N) used in VOUT linear mode format (X = Y × 2N). The exponent (N) is set in the

VOUT_MODE register (Register 0x20, Bits[2:0]). The exponent is in twos complement format.

[10:8]

High bits

Mantissa high bits (Y[10:8]) used in VOUT linear mode format (X = Y × 2N).

[7:0]

Low byte

Mantissa low byte (Y[7:0]) used in VOUT linear mode format (X = Y × 2N).

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