SCL

ALERTTHERM2

/

SDA

GND

6

7

8

5

4

V+

D+

D

-

THERM

1

2

3

TMP451

www.ti.com

SBOS686A – JUNE 2013 – REVISED DECEMBER 2014

5 Pin Configuration and Functions

DQF Package

8-Pin WSON

Top View

Pin Functions

PIN

TYPE

DESCRIPTION

NAME

NO.

Interrupt or SMBus alert output. Can be configured as a second THERM output. Open-drain; requires

ALERT/THERM2

6

Digital output

pullup resistor to voltage between 1.7 V and 3.6 V.

D–

3

Analog input

Negative connection to remote temperature sensor.

D+

2

Analog input

Positive connection to remote temperature sensor.

GND

5

Ground

Supply ground connection.

Serial clock line for SMBus. Input; requires pullup resistor to voltage between 1.7 V and 3.6 V if driven

SCL

8

Digital input

by open-drain output.

Bidirectional digital

SDA

7

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

input-output

Thermal shutdown or fan-control pin. Open-drain; requires pullup resistor to voltage between 1.7 V and

THERM

4

Digital output

3.6 V.

V+

1

Power supply

Positive supply voltage, 1.7 V to 3.6 V.

6 Specifications

6.1 Absolute Maximum Ratings

Over operating free-air temperature range, unless otherwise noted.

(1)

MIN

MAX

UNIT

Power supply

V+

–0.3

3.6

V

THERM, ALERT/THERM2, SDA and SCL only

–0.3

3.6

V

Input voltage

D+ only

–0.3

(V+) + 0.3

V

D– only

–0.3

0.3

V

Input current

10

mA

Operating temperature

–55

127

°C

Junction temperature (TJmax)

150

°C

Tstg

Storage temperature

–60

150

°C

(1)

Stresses above these ratings may cause permanent damage. Exposure to absolute maximum conditions for extended periods may

degrade device reliability. These are stress ratings only, and functional operation of the device at these or any other conditions beyond

those specified is not implied.

6.2 ESD Ratings

VALUE

UNIT

Human body model (HBM), per ANSI/ESDA/JEDEC JS-001, all pins(1)

±2000

V(ESD)

Electrostatic discharge

V

Charged device model (CDM), per JEDEC specification JESD22-C101, all

±750

pins(2)

(1)

JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process.

(2)

JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process.

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