ADP1050ACPZ-R7 datasheet(55/93 Pages) AD

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ADP1050

Data Sheet

VOUT_CAL_OFFSET

The VOUT_CAL_OFFSET command is used to apply a fixed offset voltage to the output voltage command value. It is typically used by the

PMBus device manufacturer to calibrate the device in the factory. The trim range is −32 V to +32 V and each LSB size is 2−10 = 0.9765625 mV.

Table 24. Register 0x23—VOUT_CAL_OFFSET

Bits

Bit Name/Function

R/W

Description

[15:0]

Mantissa

R/W

Sets the output voltage trim value.

16-bit twos complement Y value for linear format: V = Y × 2N.

N is defined in the VOUT_MODE command.

VOUT_MAX

The VOUT_MAX command sets an upper limit on the output voltage the unit can attain, regardless of any other commands or combinations.

If an attempt is made to program the output voltage higher than the limit set by this command, the device responds as follows:

•

The commanded output voltage is set to the VOUT_MAX value.

•

The NONE OF THE ABOVE bit is set in the STATUS_BYTE command (Register 0x78[0]).

•

The VOUT bit is set in the STATUS_WORD command (Register 0x79[15]).

•

The VOUT_MAX warning bit is set in the STATUS_VOUT command (Register 0x7A[3]).

Table 25. Register 0x24—VOUT_MAX

Bits

Bit Name/Function

R/W

Description

[15:0]

Mantissa

R/W

Sets the output voltage upper limit.

16-bit unsigned integer Y value for linear format: V = Y × 2N.

N is defined in the VOUT_MODE command.

VOUT_MARGIN_HIGH

The VOUT_MARGIN_HIGH command sets the target voltage to which the output changes when the OPERATION command is set to

margin high. The VOUT_TRANSITION_RATE command is used if this command is modified while the output is active and in a steady

state condition.

Table 26. Register 0x25—VOUT_MARGIN_HIGH

Bits

Bit Name/Function

R/W

Description

[15:0]

Mantissa

R/W

Sets the margin high value for the output voltage, in volts.

16-bit unsigned integer Y value for linear format: V = Y × 2N.

N is defined by the VOUT_MODE command.

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