ISL78226 Datasheet, PDF (78/94 Pages) Intersil Corporation – Cycle-by-cycle peak current limiting

ISL78226
FAULT STATUS REGISTER-2 (0XD3)
Definition: Fault Status Register-2 -- V_IN V6 V12 Flyback fault 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
7
R/W
POR
0
FAULT STATUS REGISTER-2 (0XD3)
Bit Field
6
5
4
3
2
1
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
BAT12 UVLO
V_IN
Overvoltage
Flyback
V12
V12
V6
V6
Switch Undervoltage Overvoltage Undervoltage Overvoltage
Overcurrent
0
0
0
0
0
0
0
V6 Overvoltage Flag (0xD3: Bit 0)
The device detected V6 overvoltage fault.
0XD3 BIT0
0
OK: Not V6 overvoltage.
1
V6 overvoltage fault is detected.
DESCRIPTION
V6 Undervoltage Flag (0xD3: Bit 1)
The device detected V6 undervoltage fault.
0XD3 BIT1
0
OK: No V6 undervoltage fault.
1
V6 undervoltage fault is detected.
DESCRIPTION
V12 Overvoltage Flag (0xD3: Bit 2)
The device detected V12 overvoltage fault.
0XD3 BIT2
0
OK: Not V12 overvoltage.
1
V12 overvoltage fault is detected.
DESCRIPTION
V12 Undervoltage Flag (0xD3: Bit 3)
The device detected V6 undervoltage fault.
0XD3 BIT3
0
OK: No V12 undervoltage fault.
1
V12 undervoltage fault is detected.
DESCRIPTION
Flyback Primary side Overcurrent Flag (0xD3: Bit 4)
The device detected overcurrent at Flyback primary side.
0XD3 BIT4
0
OK: Flyback switching current is okay.
1
Overcurrent is detected at Flyback primary side.
DESCRIPTION
Submit Document Feedback ₇₈
FN8887.0
November 7, 2016