ADP1055ACPZ-R7 datasheet(103/140 Pages) AD

103 / 140 page

Data Sheet

ADP1055

Rev. A | Page 103 of 140

Bits

Bit Name

R/W

Description

[5:3]

Retry setting

R/W

Number of retry attempts following a fault condition. A fault condition can be cleared by a reset,

a power-off/power-on sequence, or a loss of bias power.

Bit 5

Bit 4

Bit 3

Number of Retries

Infinite

[2:0]

Delay times

R/W

Number of delay time units (see Register 0xFE3E).

The ISHARE_FAULT_RESPONSE command instructs the device on the actions to take due to a current sharing fault condition. The

device notifies the host and sets the NONE_OF_THE_ABOVE bit in STATUS_BYTE register, the IOUT bit in STATUS_WORD register,

and the ISHARE_FAULT bit in STATUS_MFR_SPECIFIC register.

Table 169. Register 0xFE38—ISHARE_FAULT_RESPONSE

Bits

Bit Name

R/W

Description

[7:6]

Response

R/W

Determines the device response to a current sharing fault condition.

Bit 7

Bit 6

Response

Operate in current limiting mode, maintaining the output current at

IOUT_OC_FAULT_LIMIT.

Operate in current limiting mode, maintaining the output current at

IOUT_OC_FAULT_LIMIT. If VOUT falls below the IOUT_OC_LV_FAULT_LIMIT,

respond as programmed by the retry setting (Bits[5:3]).

Continue operation in current limiting mode for the delay time (Bits[2:0]). If the

device is still in current limiting mode, respond as programmed by the retry

setting (Bits[5:3]).

Shut down, disable the output, and respond as programmed by the retry

setting (Bits[5:3]).

[5:3]

Retry setting

R/W

Number of retry attempts following a fault condition. A fault condition can be cleared by a reset,

a power-off/power-on sequence, or a loss of bias power.

Bit 5

Bit 4

Bit 3

Number of Retries

Infinite

[2:0]

Delay times

R/W

Number of delay time units (see Register 0xFE3E).

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