ADP5050ACPZ-R7 datasheet(50/60 Pages) AD

50 / 60 page

ADP5050

Data Sheet

Rev. 0 | Page 50 of 60

CONFIGURATION FOR PWRGD PIN), ADDRESS 0x0B

Channel 1 to Channel 4; when unmasked, a power-good failure

on any of these channels triggers the PWRGD pin. The output

of the PWRGD pin represents the logical AND of all unmasked

PWRGD signals; that is, the PWRGD pin is pulled low by any

PWRGD signal failure. There is a 1 ms validation delay time

before the PWRGD pin goes high. The default value for the

power-good mask configuration can be programmed by factory

fuse (mask function enabled or disabled for all four buck

regulators).

Table 39. Register 11 Bit Assignments

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Reserved

MASK_CH4

MASK_CH3

MASK_CH2

MASK_CH1

Table 40. PWRGD_MASK Register, Bit Function Descriptions

Bits

Bit Name

Access

Description

[7:4]

Reserved

R/W

Reserved.

MASK_CH4

R/W

The default value can be programmed by factory fuse.

0 = mask power-good status of Channel 4.

1 = output power-good status of Channel 4 to the PWRGD pin.

MASK_CH3

R/W

The default value can be programmed by factory fuse.

0 = mask power-good status of Channel 3.

1 = output power-good status of Channel 3 to the PWRGD pin.

MASK_CH2

R/W

The default value can be programmed by factory fuse.

0 = mask power-good status of Channel 2.

1 = output power-good status of Channel 2 to the PWRGD pin.

MASK_CH1

R/W

The default value can be programmed by factory fuse.

0 = mask power-good status of Channel 1.

1 = output power-good status of Channel 1 to the PWRGD pin.

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