TMP442 datasheet(41/63 Pages) TI2

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8.24 THigh_Crit_Local Register (Address = 20h) [reset = 55h]

This register is used to configure the critical limit for the local channel. The default value 55h corresponds to a

limit setting of 85°C.

Return to Register Map.

Figure 8-24. THigh_Crit_Local Register

THigh_Crit_Local[7:0]

R/W-55h

Table 8-26. THigh_Crit_Local Register Field Descriptions

Bit

Field

Type

Reset

Description

7:0

THigh_Crit_Local[7:0]

R/W

55h

8-bit local channel temperature crit limit setting.

Temperature crit limit format is an 8-bit two's complement word

with a least significant bit equal to 1°C

8.25 Hysteresis Register (Address = 21h) [reset = 0Ah]

This register is used to configure the hysteresis of ALERT and TCRIT for both remote and local channels. The

value for this register is a 5-bit integer value with a least significant bit equal to 1°C. Default value is 10°C.

Return to Register Map.

Figure 8-25. Hysteresis Register

Reserved

Hysteresis[4:0]

R-0h

R/W-0Ah

Table 8-27. Hysteresis Register Field Descriptions

Bit

Field

Type

Reset

Description

7:5

Reserved

4:0

Hysteresis[4:0]

R/W

0Ah

5-bit temperature hysteresis.

Temperature hysteresis format is an 5-bit integer byte with a

least significant bit equal to 1°C

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TMP4719

SBOSAJ7A – OCTOBER 2025 – REVISED DECEMBER 2025

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