SCL

ALERTTHERM2

/

SDA

GND

6

7

8

5

4

V+

D+

D

-

THERM

1

2

3

TMP451

SBOS686 – JUNE 2013

www.ti.com

PIN CONFIGURATION

DQF PACKAGE

WSON-8 (DFN-8)

(TOP VIEW)

PIN ASSIGNMENTS

TMP451

NAME

NO.

DESCRIPTION

ALERT /

Interrupt or SMBus alert output. Can be configured as a second THERM output. Open-drain; requires pull-up resistor to voltage

6

THERM2

between 1.7 V and 3.6 V.

D–

3

Negative connection to remote temperature sensor.

D+

2

Positive connection to remote temperature sensor.

GND

5

Supply ground connection.

SCL

8

Serial clock line for SMBus. Input; requires pull-up resistor to voltage between 1.7 V and 3.6 V if driven by open-drain output.

SDA

7

Serial data line for SMBus. Open-drain; requires pull-up resistor to voltage between 1.7 V and 3.6 V.

THERM

4

Thernal shutdown or fan-control pin. Open-drain; requires pull-up resistor to voltage between 1.7 V and 3.6 V.

V+

1

Positive supply voltage, 1.7 V to 3.6 V.

4

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