ISL68127

FN8748 Rev.2.00

Page 32 of 48

Jul 12, 2019

OT_WARN_LIMIT (51h)

Definition: Sets the system over-temperature warn limit. If any measured temperature exceeds this value, the device does the following:

• Sets the TEMPERATURE bit in “STATUS_BYTE (78h)” and “STATUS_WORD (79h)”

• Sets the OT_WARNING bit in “STATUS_TEMPERATURE (7Dh)”

•Sets the SALRT pin

•Sets the TWARN pin

Paged or Global: Paged

Data Length in Bytes: 2

Data Format: Direct

Type: R/W

Default Value: 07D0h (+2000°C)

Units: °C

Equation: OT_WARN_LIMIT = (Direct value)

Range: 0°C to +2000°C

VIN_OV_FAULT_LIMIT (55h)

Definition: Sets the VIN overvoltage fault threshold. Changes to this setting require a write to the “APPLY_SETTINGS (E7h)” command

before the change takes effect.

Paged or Global: Global

Data Length in Bytes: 2

Data Format: Direct

Type: R/W

Default Value: 36B0h (14000mV)

Units: mV

Equation: VIN_OV_FAULT_LIMIT = (Direct value)

Range: 0mV to 16000mV

COMMAND

OT_WARN_LIMIT (51h)

Format

Direct

Bit Position

15

14

13

12

11

10

9

8

7

654

32

10

Access

R/WR/W

R/WR/W

R/WR/W

R/WR/W

R/WR/W

R/WR/W

R/WR/W

R/WR/W

Function

Two’s Complement Integer

Default Value

0

0

000

11

11

101

00

00

COMMAND

VIN_OV_FAULT_LIMIT (55h)

Format

Direct

Bit Position

15

14

13

12

11

10

9

8

7

654

32

10

Access

R/WR/W

R/WR/W

R/WR/W

R/WR/W

R/WR/W

R/WR/W

R/WR/W

R/WR/W

Function

Unsigned Integer

Default Value

0

0

110

11

01

011

00

00