ISL78226 Datasheet, PDF (76/94 Pages) Intersil Corporation – Cycle-by-cycle peak current limiting

ISL78226
Fault Indicator - Fault on “Fault Status Register-4 (0xD5)” (0xC0: Bit 3)
Indicates one or more faults are detected at “Fault Status Register-4 (0xD5)” if this bit is set to “1”.
0XC0 BIT3
DESCRIPTION
0
OK: No fault at “Fault Status Register-4 (0xD5)”
1
Faults are detected at “Fault Status Register-4 (0xD5)”
Fault Indicator - Fault on “Fault Status Register-5 (0xD6)” (0xC0: Bit 4)
Indicates one or more faults are detected at “Fault Status Register-5 (0xD6)” if this bit is set to “1”.
0XC0 BIT4
DESCRIPTION
0
OK: No fault at “Fault Status Register-5 (0xD6)”
1
Faults are detected at “Fault Status Register-5 (0xD6)”
Fault Indicator - Fault on “Fault Status Register-6 (0xD7)” (0xC0: Bit 5)
Indicates one or more faults are detected at “Fault Status Register-6 (0xD7)” if this bit is set to “1”.
0XC0 BIT5
DESCRIPTION
0
OK: No fault at “Fault Status Register-6 (0xD7)”
1
Faults are detected at “Fault Status Register-6 (0xD7)”
Fault Indicator - Fault on “Fault Status Register-7 (0xD8)” (0xC0: Bit 6)
Indicates one or more faults are detected at “Fault Status Register-7 (0xD8)” if this bit is set to “1”.
0XC0 BIT6
DESCRIPTION
0
OK: No fault at “Fault Status Register-7 (0xD8)”
1
Faults are detected at “Fault Status Register-7 (0xD8)”
Alert Flag Indicator (0xC0: Bit 7)
Indicates the fault is detected and the XALERT pin becomes “low” if this bit is set to “1”.
0XC0 BIT7
DESCRIPTION
0
OK: No fault in the system
1
Faults are detected and XALERT pin pulled low.
FAULT STATUS REGISTER-1 (0XD2)
Definition: Fault Status Register-1 -- BAT12/BAT48 overvoltage and undervoltage fault (warning level) status register
Data Length in Bytes: 1
Data Format: Bit Field
Typical: R/W
Protectable: Yes
Default Value: 00h
Units: N/A
REGISTER NAME
Format
Bit Position
Access
Function
Default Value
FAULT STATUS REGISTER-1 (0XD2)
Bit Field
7
6
5
4
3
2
1
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
BAT48 Input BAT48 Input BAT48 Output BAT48 Output BAT12 Input BAT12 Input BAT12 Output BAT12 Output
Undervoltage Overvoltage Undervoltage Overvoltage Undervoltage Overvoltage Undervoltage Overvoltage
0
0
0
0
0
0
0
0
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FN8887.0
November 7, 2016