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LTC2933IDHD#TRPBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P34
LTC2933
19
2933fa
For more information www.linear.com/LTC2933
STORE_USER (Command Byte 0x1C)
RESTORE_USER (Command Byte 0x1D)
The STORE_USER and
RESTORE_USER commands
access nonvolatile EEPROM memory. Once a command
is stored in EEPROM using STORE_USER, it will
be restored to volatile operating memory with the
RESTORE_USER
command or when the part powers up.
BACKUP_WORD
(Command Byte 0x1E)
After the first fault occurs,
HISTORY_WORD is written to
EEPROM for backup. Any subsequent BACKUP_WORD
write following a fault is inhibited until the CLEAR_HISTORY
command is issued. BACKUP_WORD can be retrieved
by sending a RESTORE_USER command followed by a
BACKUP_WORD read. BACKUP_WORD can be cleared
in EEPROM by sending a CLEAR_HISTORY command
followed by a STORE_USER command.
operaTion
BACKUP_WORD Data Contents
BIT(S) SYMBOL OPERATION
b[15:13] Reserved Ignore
b[12] V6_HI_STORED_FAULT 1: Stored V6_HI_FAULT.
0: No fault.
b[11]
V6_LO_STORED_FAULT 1: Stored V6_LO_FAULT.
0: No fault.
b[10]
V5_HI_STORED_FAULT 1: Stored V5_HI_FAULT.
0: No fault.
b[9]
V5_LO_STORED_FAULT 1: Stored V5_LO_FAULT.
0: No fault.
b[8]
V4_HI_STORED_FAULT 1: Stored V4_HI_FAULT.
0: No fault.
b[7]
V4_LO_STORED_FAULT 1: Stored V4_LO_FAULT.
0: No fault.
b[6]
V3_HI_STORED_FAULT 1: Stored V3_HI_FAULT.
0: No fault.
b[5]
V3_LO_STORED_FAULT 1: Stored V3_LO_FAULT.
0: No fault.
b[4]
V2_HI_STORED_FAULT 1: Stored V2_HI_FAULT.
0: No fault.
b[3]
V2_LO_STORED_FAULT 1: Stored V2_LO_FAULT.
0: No fault.
b[2]
V1_HI_STORED_FAULT 1: Stored V1_HI_FAULT.
0: No fault.
b[1]
V1_LO_STORED_FAULT 1: Stored V1_LO_FAULT.
0: No fault.
b[0]
Reserved Ignore
LTC2933
20
2933fa
For more information www.linear.com/LTC2933
operaTion
STATUS_WORD (Command Byte 0x1F)
The STATUS_WORD command returns two bytes
of information with a summary of the current faults.
The STATUS_WORD content is read directly from the
comparators and is a snapshot of the current state.
STATUS_WORD faults may be disabled by setting GPI1_
CONFIG = 010b (MARG), GPI1_CONFIG = 011b (UVDIS),
GPI2_CONFIG = 010b (MARG) or GPI2_CONFIG = 011b
(UVDIS) and asserting the appropriate GPI
n
pin.
STATUS_WORD Data Contents
BIT(S) SYMBOL OPERATION
b[15:13] Reserved Ignore
b[12] V6_HI_FAULT V6_POL_HI = 1 (default).
1: Fault (V6 greater than V6_THR_HI).
0: No fault (V6 less than V6_THR_HI).
V6_POL_HI = 0.
1: Fault (V6 less than V6_THR_HI).
0: No fault (V6 greater than V6_THR_HI).
b[11]
V6_LO_FAULT V6_POL_LO = 1.
1: Fault (V6 greater than V6_THR_LO).
0: No fault (V6 less than V6_THR_LO).
V6_POL_LO = 0 (default).
1: Fault (V6 less than V6_THR_LO).
0: No fault (V6 greater than V6_THR_LO).
b[10]
V5_HI_FAULT V5_POL_HI = 1 (default).
1: Fault (V5 greater than V5_THR_HI).
0: No fault (V5 less than V5_THR_HI).
V5_POL_HI = 0.
1: Fault (V5 less than V5_THR_HI).
0: No fault (V5 greater than V5_THR_HI).
b[9]
V5_LO_FAULT V5_POL_LO = 1.
1: Fault (V5 greater than V5_THR_LO).
0: No fault (V5 less than V5_THR_LO).
V5_POL_LO = 0 (default).
1: Fault (V5 less than V5_THR_LO).
0: No fault (V5 greater than V5_THR_LO).
b[8]
V4_HI_FAULT V4_POL_HI = 1 (default).
1: Fault (V4 greater than V4_THR_HI).
0: No fault (V4 less than V4_THR_HI).
V4_POL_HI = 0.
1: Fault (V4 less than V4_THR_HI).
0: No fault (V4 greater than V4_THR_HI).
b[7]
V4_LO_FAULT V4_POL_LO = 1.
1: Fault (V4 greater than V4_THR_LO).
0: No fault (V4 less than V4_THR_LO).
V4_POL_LO = 0 (default).
1: Fault (V4 less than V4_THR_LO).
0: No fault (V4 greater than V4_THR_LO).
b[6]
V3_HI_FAULT V3_POL_HI = 1 (default).
1: Fault (V3 greater than V3_THR_HI).
0: No fault (V3 less than V3_THR_HI).
V3_POL_HI = 0.
1: Fault (V3 less than V3_THR_HI).
0: No fault (V3 greater than V3_THR_HI).
LTC2933
21
2933fa
For more information www.linear.com/LTC2933
operaTion
STATUS_WORD Data Contents
BIT(S) SYMBOL OPERATION
b[5] V3_LO_FAULT V3_POL_LO = 1.
1: Fault (V3 greater than V3_THR_LO).
0: No fault (V3 less than V3_THR_LO).
V3_POL_LO = 0 (default).
1: Fault (V3 less than V3_THR_LO).
0: No fault (V3 greater than V3_THR_LO).
b[4]
V2_HI_FAULT V2_POL_HI = 1 (default).
1: Fault (V2 greater than V2_THR_HI).
0: No fault (V2 less than V2_THR_HI).
V2_POL_HI = 0.
1: Fault (V2 less than V2_THR_HI).
0: No fault (V2 greater than V2_THR_HI).
b[3]
V2_LO_FAULT V2_POL_LO = 1.
1: Fault (V2 greater than V2_THR_LO).
0: No fault (V2 less than V2_THR_LO).
V2_POL_LO = 0 (default).
1: Fault (V2 less than V2_THR_LO).
0: No fault (V2 greater than V2_THR_LO).
b[2]
V1_HI_FAULT V1_POL_HI = 1 (default).
1: Fault (V1 greater than V1_THR_HI).
0: No fault (V1 less than V1_THR_HI).
V1_POL_HI = 0.
1: Fault (V1 less than V1_THR_HI).
0: No fault (V1 greater than V1_THR_HI).
b[1]
V1_LO_FAULT V1_POL_LO = 1.
1: Fault (V1 greater than V1_THR_LO).
0: No fault (V1 less than V1_THR_LO).
V1_POL_LO = 0 (default).
1: Fault (V1 less than V1_THR_LO).
0: No fault (V1 greater than V1_THR_LO).
b[0]
Reserved Ignore
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P34

LTC2933IDHD#TRPBF

Mfr. #:
Buy LTC2933IDHD#TRPBF
Manufacturer:
Analog Devices Inc.
Description:
Supervisory Circuits Programmable Hex Voltage Supervisor (w/ High Voltage Input)
Lifecycle:
New from this manufacturer.
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