ISL78226 Datasheet, PDF (65/94 Pages) Intersil Corporation – Cycle-by-cycle peak current limiting

ISL78226
BAT12 OVERVOLTAGE THRESHOLD SETTING REGISTER (0XB9)
Definition: BAT12 input and output overvoltage first level (warning) and second level (protection) threshold setting 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
6
R/W
R/W
Reserved
0
0
BAT12 OVERVOLTAGE THRESHOLD SETTING REGISTER (0XB9)
Bit Field
5
4
3
2
1
0
R/W
R/W
R/W
R/W
R/W
R/W
BAT12 Overvoltage (2nd Level = Protection Level) BAT12 Overvoltage (1st level = Warning Level)
Threshold Setting Bit
Threshold Setting Bit
0
0
0
0
0
0
BAT12 Overvoltage (1st Level = Warning Level) Threshold Setting Bit (0xB9: Bit 2:0)
Sets the first level (= warning level) of BAT12 overvoltage fault threshold.
BIT2
BIT1
BIT0
DESCRIPTION
0
0
0
115% of BAT12 target voltage (default)
0
0
1
110% of BAT12 target voltage
0
1
0
120% of BAT12 target voltage
0
1
1
125% of BAT12 target voltage
1
0
0
130% of BAT12 target voltage
1
0
1
135% of BAT12 target voltage
1
1
0
140% of BAT12 target voltage
1
1
1
145% of BAT12 target voltage
BAT12 Overvoltage (2nd Level = Protection Level) Threshold Setting Bit (0xB9: Bit 5:3)
Sets the second level (= protection level) of BAT12 overvoltage fault threshold.
BIT2
BIT1
BIT0
DESCRIPTION
0
0
0
150% of BAT12 target voltage (default)
0
0
1
140% of BAT12 target voltage
0
1
0
130% of BAT12 target voltage
0
1
1
160% of BAT12 target voltage
1
0
0
170% of BAT12 target voltage
1
0
1
180% of BAT12 target voltage
1
1
0
190% of BAT12 target voltage
1
1
1
200% of BAT12 target voltage
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FN8887.0
November 7, 2016