ADP1055ACPZ-R7 datasheet(124/140 Pages) AD

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ADP1055

Data Sheet

Rev. A | Page 124 of 140

Table 232. Register 0xFE95—FIRST_FAULT_ID

Bits

Bit Name

R/W

Description

[7:0]

First-fault ID (in hex)

0x00 = no fault

0x01 = VOUT_OV

0x02 = VOUT_OV_FAST

0x03 = VOUT_UV

0x04 = IOUT_OC_LV

0x05 = VIN_OV

0x06 = VIN_UV

0x07 = OT

0x08 = TON_MAX

0x09 = POUT_OP

0x0A = GPIO1

0x0B = GPIO2

0x0C = GPIO3

0x0D = GPIO4

0x0E = IOUT_OC

0x0F = IOUT_OC_FAST

0x10 = IOUT_UC

0x11 = IOUT_UC_FAST

0x12 = IIN_OC

0x13 = IIN_OC_FAST

0x14 = ISHARE

Table 233. Register 0xFE96—VFF_VALUE

Bits

Bit Name

R/W

Description

[15:0]

VFF value

This register contains the feedforward information. This value has 12 bits of resolution from

Bit 13 to Bit 2.

Table 234. Register 0xFE97—VS_VALUE

Bits

Bit Name

R/W

Description

[15:0]

VS value

(output voltage)

This register contains the output voltage information. This value has 12 bits of resolution from

Bit 13 to Bit 2.

Table 235. Register 0xFE98—CS1_VALUE

Bits

Bit Name

R/W

Description

[15:0]

CS1 value

(input current)

This register contains the input current information. This value has 12 bits of resolution from Bit

13 to Bit 2.

Table 236. Register 0xFE99—CS2_VALUE

Bits

Bit Name

R/W

Description

[15:0]

CS2 value

(output current)

This register contains the 12-bit output current information. This value is the voltage drop

across the sense resistor. To obtain the current value, divide the value of this register by the

sense resistor value. The CS2± pins have a full-scale input range of 30 mV, 60 mV, or 480 mV (set

in Register 0xFE4F[1:0]).

When the CS2 input range is set to 30 mV, the LSB step size is 7.32 μV. For example, at a 15 mV

input signal on CS2, the value in this register is 15 mV/7.32 μV = 1000 0000 0000.

Table 237. Register 0xFE9A—POUT_VALUE

Bits

Bit Name

R/W

Description

[15:0]

CS2 × VS value

(output power)

This register contains the 16-bit output power information. This value is the product of the

remote output voltage value (VS) and the output current reading (CS2).

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