DIA1412

Version 1.0, Jul 2024

www.dioo.com

© 2024 DIOO MICROCIRCUITS CO., LTD.

III

Table of Contents

1. Pin Assignment and Functions ........................................................................................................................... 1

2. Absolute Maximum Ratings ................................................................................................................................ 2

3. Recommended Operating Conditions .................................................................................................................2

4. ESD Ratings ........................................................................................................................................................2

5. Thermal Considerations ......................................................................................................................................3

6. Electrical Characteristics .....................................................................................................................................3

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

8. Block Diagram .....................................................................................................................................................7

9. Function Description ........................................................................................................................................... 8

9.1. Operating modes ......................................................................................................................................8

9.2. External temperature detection ................................................................................................................8

9.3. Overtemperature alarm ............................................................................................................................ 8

9.4. Open and short faults ...............................................................................................................................9

9.5. Dynamic averaging .................................................................................................................................10

9.6. Conversion rates .................................................................................................................................... 10

9.7. Reporting temperature ........................................................................................................................... 10

9.8. Programming SMBus (or I2C) address ...................................................................................................11

10. Application Information ....................................................................................................................................12

11. Communication Protocol and SMBus Protocol ...............................................................................................13

11.1. Communication protocol .......................................................................................................................13

11.2. SMBus protocol .................................................................................................................................... 14

12. Register Maps .................................................................................................................................................15

12.1. Temperature data register .................................................................................................................... 16

12.2. Status register ...................................................................................................................................... 17

12.3. Configuration register ...........................................................................................................................18

12.4. Conversion rate register .......................................................................................................................18

12.5. Limit register .........................................................................................................................................19

12.6. Scratchpad registers ............................................................................................................................ 20

12.7. One shot register ..................................................................................................................................20

12.8. Therm Limit registers............................................................................................................................20

12.9. External fault register ........................................................................................................................... 21

12.10. Channel mask register ....................................................................................................................... 21

12.11. Consecutive ALERT register .............................................................................................................. 22

12.12. Beta configuration registers ............................................................................................................... 23

12.13. External channel ideality factor registers ........................................................................................... 24

12.14. High Limit status register ....................................................................................................................25

12.15. Low Limit status register .................................................................................................................... 25

12.16. Therm Limit status register .................................................................................................................26

12.17. Product ID register ............................................................................................................................. 26

12.18. Manufacturer ID register .................................................................................................................... 27

12.19. Revision register .................................................................................................................................27

13. Physical Dimensions .......................................................................................................................................28

13.1. MSOP-8 ................................................................................................................................................28