SCL

ALERTTHERM2

/

SDA

GND

6

7

8

5

4

V+

D+

D

-

THERM

1

2

3

3

TMP451-Q1

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SLOS877B – OCTOBER 2014 – REVISED JUNE 2019

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5 Pin Configuration and Functions

DQF and DQW Packages

8-Pin WSON

Top View

Pin Functions

PIN

TYPE

DESCRIPTION

NAME

NO.

ALERT/THERM2

6

Digital output

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

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.

SCL

8

Digital input

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

by open-drain output.

SDA

7

Bidirectional digital

input-output

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

THERM

4

Digital output

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

3.6 V.

V+

1

Power supply

Positive supply voltage, 1.7 V to 3.6 V.

(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 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

Input voltage

THERM, ALERT/THERM2, SDA and SCL only

–0.3

3.6

V

D+ only

–0.3

(V+) + 0.3

V

D– only

–0.3

0.3

V

Input current

10

mA

Operating temperature

–55

127

°C

150

°C

–60

150

°C

(1)

AEC Q100-002 indicates HBM stressing is done in accordance with the ANSI/ESDA/JEDEC JS-001 specification.

6.2 ESD Ratings

VALUE

UNIT

Electrostatic

discharge

HBM ESD Classification Level 2

±2000

V

Charged device model (CDM), per AEC Q100-011

CDM ESD Classification Level C4B

Corner pins (1, 4, 5,

and 8)

±750

Other pins

±500