ADP1052ACPZ-R7 datasheet(72/113 Pages) AD

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ADP1052

Data Sheet

Rev. B | Page 72 of 113

Table 53. Register 0x61—TON_RISE

Bits

Bit Name/Function

R/W

Description

[15:11]

Exponent

R/W

5-bit, twos complement N value for linear format, X = Y × 2N.

[10:0]

Mantissa

R/W

11-bit, twos complement Y value for linear format, X = Y × 2N.

TOFF_DELAY

The TOFF_DELAY command sets the turn-off delay time in milliseconds (ms). The ADP1052 supports only those values listed in Table 54.

Table 54. Register 0x64—TOFF_DELAY (Turn-Off Delay Options Supported in the ADP1052)

Turn-Off Delay Time (ms)

0000000000000000 (0x0000)

0000000000110010 (0x0032)

0000000011111010 (0x00FA)

250

0000001111101000 (0x03E8)

1000

Table 55. Register 0x64—TOFF_DELAY

Bits

Bit Name/Function

R/W

Description

[15:11]

Exponent

R/W

5-bit, twos complement, N value for linear format X = Y × 2N.

[10:0]

Mantissa

R/W

11-bit, twos complement, Y value for linear format X = Y × 2N.

STATUS_BYTE

Table 56. Register 0x78—STATUS_BYTE

Bits

Bit Name/Function

R/W

Description

Reserved

Reserved.

POWER_OFF

This bit is asserted when the unit is not providing power to the output, regardless of the reason,

including simply not being enabled.

VOUT_OV_FAULT

An output overvoltage fault has occurred.

IOUT_OC_FAULT

An output overcurrent fault has occurred.

VIN_UV_FAULT

An input undervoltage fault has occurred.

Temperature

A temperature fault or warning has occurred.

CML

A communications, memory, or logic fault has occurred.

None of the above

A fault or warning not listed in Bits[7:1] has occurred.

STATUS_WORD

Table 57. Register 0x79—STATUS_WORD

Bits

Bit Name/Function

R/W

Description

VOUT

Any bit asserted in STATUS_VOUT asserts this bit.

IOUT

Any bit asserted in STATUS_IOUT asserts this bit.

Input

Any bit asserted in STATUS_INPUT asserts this bit.

Reserved

Reserved.

POWER_GOOD

POWER_GOOD is a negation of POWER_GOOD, which means that the output power is not good.

This bit is set when the sensed VOUT is less than the limit programmed in the POWER_GOOD_OFF

command. This bit clears when the sensed VOUT voltage is greater than the limit that is programmed in

the POWER_GOOD_ON command. This flag also triggers the PGOOD flag in Register 0xFEA0[6].

[10:7]

Reserved

Reserved.

POWER_OFF

This bit is asserted if the unit is not providing power to the output, regardless of the reason,

including not being enabled.

VOUT_OV_FAULT

An output overvoltage fault has occurred.

IOUT_OC_FAULT

An output overcurrent fault has occurred.

VIN_UV_FAULT

An input undervoltage fault has occurred.

Temperature

An overtemperature fault or warning has occurred.

CML

A communications, memory, or logic fault has occurred.

None of the above

A fault or warning not listed in Bits[7:1] has occurred.

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