ADP1055ACPZ-R7 datasheet(42/140 Pages) AD

42 / 140 page

ADP1055

Data Sheet

Rev. A | Page 42 of 140

Function/PMBus

Command

Comments

Debounce

LSB

Fault response

Command

N/A

The ADC on this pin is averaged every 200 ms with 14-bit

accuracy for this fault to provide two consecutive readings

(external forward and external reverse temperature

sensors). This information is compared with the

OT_FAULT_LIMIT to set the flag. If external reverse is

disabled, the averaging is performed every 130 ms.

0xFE32[3:0]

OT_FAULT_

RESPONSE

OT_WARN

N/A

Same as OT.

N/A

GPIOx_FAULT

GPIOx

Immediate.

0xFE32[15:0]

GPIOx_FAULT_

RESPONSE

TON_MAX

N/A

Immediate.

0xFE32[7:4]

1.6/29 for VS

TON_MAX_FAULT_

RESPONSE

TON_MAX_WARN

N/A

1.6/29 for VS

VDD/VCORE_OV

VDD

VCORE

Immediate.

0xFE4D[5]

0xFE4D[6]

VDD UV

VDD

Immediate.

0xFE4D[4]

Shutdown

STANDARD PMBUS FLAGS

Figure 67 shows the standard PMBus flags supported by the ADP1055.

Figure 67. Standard PMBus Flags Supported by the ADP1055

7 RESERVED

6 RESERVED

5 INPUT A FUSE/BREAKER FAULT

4 INPUT B FUSE/BREAKER FAULT

3 INPUT A OR-ING DEVICE FAULT

2 INPUT B OR-ING DEVICE FAULT

1 OUTPUT OR-ING DEVICE FAULT

0 RESERVED

STATUS_OTHER

7 VOUT

6 IOUT/POUT

5 INPUT

4 MFR_SPECIFIC

3 POWER_GOOD

2 FANS

1 OTHER

0 UNKNOWN

7 BUSY

6 OFF

5 VOUT_OV_FAULT

4 IOUT_OC_FAULT

3 VIN_UV_FAULT

2 TEMPERATURE

1 CML

0 NONE OF THE ABOVE

STATUS_WORD

(UPPER BYTE)

STATUS_BYTE

ALSO IS THE LOWER BYTE OF

STATUS_WORD

7 VOUT_OV_FAULT

6 VOUT_OV_WARNING

5 VOUT_UV_WARNING

4 VOUT_UV_FAULT

3 VOUT_MAX WARNING

2 TON_MAX_FAULT

1 TOFF_MAX_WARNING

0 VOUT TRACKING ERROR

7 IOUT_OC_FAULT

6 IOUT_OC_LV_FAULT

5 IOUT_OC_WARNING

4 IOUT_UC_FAULT

3 CURRENT SHARE FAULT

2 IN POWER LIMITING MODE

1 POUT_OP_FAULT

0 POUT_OP_WARNING

7 OT_FAULT

6 OT_WARNING

5 UT_WARNING

4 UT_FAULT

3 RESERVED

2 RESERVED

1 RESERVED

0 RESERVED

STATUS_TEMPERATURE

STATUS_IOUT

STATUS_VOUT

7 INVALID/UNSUPPORTED COMMAND

6 INVALID/UNSUPPORTED DATA

5 PACKET ERROR CHECK FAILED

4 MEMORY FAULT DETECTED

3 PROCESSOR FAULT DETECTED

2 RESERVED

1 OTHER COMMUNICATION FAULT

0 OTHER MEMORY OR LOGIC FAULT

STATUS_CML

7 VIN_OV_FAULT

6 VIN_OV_WARNING

5 VIN_UV_WARNING

4 VIN_UV_FAULT

3 UNIT OFF FOR LOW INPUT VOLTAGE

2 IIN_OC_FAULT

1 IIN_OC_WARNING

0 PIN_OP_WARNING

STATUS_INPUT

7GPIO4

6GPIO3

5GPIO2

4GPIO1

3 IIN_OC_FAST_FAULT

2 IOUT_UC_FAST_FAULT

1 IOUT_OC_FAST_FAULT

0 VOUT_OV_FAST

STATUS_MFR_SPECIFIC

15 EEPROM UNLOCKED

14 ADAPTIVE DEAD TIME

13 SOFT START FILTER

12 SOFT START RAMP

11 MODULATION LIMIT

10 VOLT-SEC BALANCE LIMIT

LIGHT_LOAD_MODE (LLM)

8 CONSTANT CURRENT

STATUS_MFR_UNKNOWN

7 PGOOD2_FAULT

PGOOD1_FAULT

SYNC_UNLOCK

SR OFF

ADDRESS_WARNING

VCORE_OV

VDD_OV

0VDD_UV

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