TMP432 datasheet(10/42 Pages) TI1

Teilenummer	TMP432

Bauteilbeschribung	짹1째C Temperature Sensor with Series-R, 管-Factor, and Automatic Beta Compensation

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Hersteller	TI1 [Texas Instruments]

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ALERTTHERM2

/

THERM

0.1 F

m

10k

(typ)

W

10k

(typ)

W

10k

(typ)

W

10k

(typ)

W

TMP432

+5V

SCL

GND

SDA

V+

SMBus

Controller

8

5

7

6

DXP1

DXN1

1

2

3

4

DXP2

DXN2

9

10

FanController

C

(3)

DIFF

R

(2)

S

R

(2)

S

R

(2)

S

C

(3)

DIFF

R

(2)

S

R

(2)

S

C

(3)

DIFF

R

(2)

S

Diode-connectedconfiguration :

(1)

SeriesResistance

GNDcollector-connectedtransistorconfiguration :

(1)

(1)Diode-connectedconfigurationprovidesbettersettlingtime.

GNDcollector-connectedtransistorconfigurationprovidesbetterseriesresistancecancellation.

(2)R (optional)shouldbe<1k

inmostapplications.SelectionofR

W

dependson

S

specificapplication;see

section.

Filtering

(3)C

shouldbe<2200pF.SelectionofC

dependsonspecificapplication;

DIFF

see

sectionandFigure9,

Filtering

RemoteTemperatureErrorvsDifferentialCapacitance.

NOTES:

0.1 F

m

10kW

(typ)

10kW

(typ)

10kW

(typ)

10kW

(typ)

TMP431

DXP

DXN

V+

1

8

7

6

4

5

3

2

R

(2)

S

R

(2)

S

C

(3)

DIFF

C

(3)

DIFF

R

(2)

S

R

(2)

S

GND

SCL

SDA

ALERTTHERM2

/

THERM

+5V

SMBus

Controller

FanController

Diode-connectedconfiguration :

(1)

SeriesResistance

GNDcollector-connectedtransistorconfiguration :

(1)

(1)Diode-connectedconfigurationprovidesbettersettlingtime.

GNDcollector-connectedtransistorconfigurationprovidesbetterseriesresistancecancellation.

(2)R (optional)shouldbe<1k

inmostapplications.SelectionofR

W

dependson

S

specificapplication;see

section.

Filtering

(3)C

shouldbe<2200pF.SelectionofC

DIFF

DIFF dependsonspecificapplication;

see

sectionandFigure9,

Filtering

RemoteTemperatureErrorvsDifferentialCapacitance.

NOTES:

TMP431

TMP432

SBOS441F – SEPTEMBER 2009 – REVISED AUGUST 2013

www.ti.com

Figure 15. TMP431 Basic Connections

Figure 16. TMP432 Basic Connections

10

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