ADP1048ARQZ-R7 datasheet(82/84 Pages) AD

82 / 84 page

ADP1047/ADP1048

Data Sheet

Rev. 0 | Page 82 of 84

Table 164. Register 0xFE99—Debug Flag 3

Bits

Bit Name

R/W

Description

VIN_OV_FAULT

1 = input voltage on VAC is larger than the value in VIN_OV_FAULT_LIMIT (Register 0x55).

VCORE_OV

1 = an overvoltage condition is present on the VCORE rail.

PIN_OP_WARN

1 = input overpower warning.

AC_PERIOD

1 = controller is not able to detect the ac line period; the maximum value of the period is used

and this flag is set.

IIN_OC_WARN

1 = input current measured on the CS ADC is larger than the value in IIN_OC_WARN_LIMIT

(Register 0x5D).

IIN_OC_FAULT

1 = input current measured on the CS ADC is larger than the value in IIN_OC_FAULT_LIMIT

(Register 0x5B).

FAST_OCP

1 = the threshold set for the comparator on the ILIM pin has been crossed.

INPUT

1 = input voltage, input current, or input power fault or warning.

Table 165. Register 0xFE9A—Debug Flag 4

Bits

Bit Name

R/W

Description

OLP

1 = one of the two voltage dividers is probably disconnected or malfunctioning.

FAST_OVP

1 = the threshold set for the comparator on the OVP pin has been crossed.

VOUT_UV_FAULT

1 = output voltage is below the VOUT_UV_FAULT_LIMIT (Register 0x44).

VOUT_UV_WARN

1 = output voltage is below the VOUT_UV_WARN_LIMIT (Register 0x43).

VOUT_OV_WARN

1 = output voltage is above the VOUT_OV_WARN_LIMIT (Register 0x42).

VOUT_OV_FAULT

1 = output voltage is above the VOUT_OV_FAULT_LIMIT (Register 0x40).

VOUT_OV

General output overvoltage fault: this flag is a combination (OR) of any output overvoltage flag

(Register 0x7A, Bit 7 and Register 0xFE80, Bit 4 (FAST_OVP)).

VOUT

1 = any fault on output voltage (overvoltage, undervoltage, fast OVP, or accurate OVP).

Table 166. Register 0xFE9B—Debug Flag 5

Bits

Bit Name

R/W

Description

[7:3]

RSVD

Reserved.

LOW_POWER

1 = input power has dropped below the threshold for low power mode operation.

VDD_3.3V_UV

1 = an undervoltage condition is present on the VDD rail.

INRUSH

1 = INRUSH control relay is off.

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