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TMP451-Q1

SLOS877B – OCTOBER 2014 – REVISED JUNE 2019

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Copyright © 2014–2019, Texas Instruments Incorporated

Table of Contents

1

Features .................................................................. 1

2

Applications ........................................................... 1

3

Description ............................................................. 1

4

Revision History..................................................... 2

5

Pin Configuration and Functions ......................... 3

6

Specifications......................................................... 3

6.1

Absolute Maximum Ratings ...................................... 3

6.2

ESD Ratings.............................................................. 3

6.3

Recommended Operating Conditions ....................... 4

6.4

Thermal Information .................................................. 4

6.5

Electrical Characteristics........................................... 4

6.6

Timing Characteristics for Figure 1 .......................... 5

6.7

Typical Characteristics .............................................. 6

7

Detailed Description .............................................. 8

7.1

Overview ................................................................... 8

7.2

Functional Block Diagram ......................................... 8

7.3

Feature Description................................................... 8

7.4

Device Functional Modes........................................ 13

7.5

Programming........................................................... 13

7.6

Register Map........................................................... 16

8

Application and Implementation ........................ 22

8.1

Application Information............................................ 22

8.2

Typical Application ................................................. 22

9

Power Supply Recommendations ...................... 25

10

Layout................................................................... 25

10.1

Layout Guidelines ................................................. 25

10.2

Layout Example .................................................... 26

11

Device and Documentation Support ................. 27

11.1

Receiving Notification of Documentation Updates 27

11.2

Community Resources.......................................... 27

11.3

Trademarks ........................................................... 27

11.4

Electrostatic Discharge Caution ............................ 27

11.5

Glossary ................................................................ 27

12

Mechanical, Packaging, and Orderable

Information ........................................................... 27

4 Revision History

Changes from Revision A (January 2019) to Revision B

Page

•

Added DQW package ............................................................................................................................................................. 1

•

Added DQW (WSON) package information to the Thermal Information table ...................................................................... 4

Changes from Original (October 2014) to Revision A

Page

•

Changed preview DQF orderables to active .......................................................................................................................... 1

•

Moved storage temperature to the Absolute Maximum Ratings table ................................................................................... 3

•

Moved the AEC-Q100 ESD classification levels to the ESD Ratings table ........................................................................... 3

•

Changed TMP451-Q1 SMBus Addresses table .................................................................................................................. 15

•

Added Receiving Notification of Documentation Updates section ...................................................................................... 27

•

Added Community Resources section ................................................................................................................................ 27