DIO1413/1414

Version 1.2, Sep 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 ........................................................................................................................................................3

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

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

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

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

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

9.1. Operating modes ...................................................................................................................................... 9

9.2. External temperature detection ................................................................................................................ 9

9.3. Over-temperature alarm ........................................................................................................................... 9

9.4. Open and short faults ............................................................................................................................. 10

9.5. Dynamic averaging ................................................................................................................................. 11

9.6. Conversion rates .....................................................................................................................................11

9.7. Reporting temperature ............................................................................................................................11

9.8. Programming SMBus (or I2C) address ...................................................................................................12

10. Application Information ....................................................................................................................................13

11. Communication Protocol and SMBus Protocol ...............................................................................................14

11.1. Communication protocol ....................................................................................................................... 14

11.2. SMBus protocol .....................................................................................................................................15

12. Register Maps .................................................................................................................................................17

12.1. Temperature data registers ...................................................................................................................20

12.2. Status register .......................................................................................................................................20

12.3. Configuration register ........................................................................................................................... 21

12.4. Conversion rate register ....................................................................................................................... 22

12.5. Limit register ......................................................................................................................................... 22

12.6. Scratchpad registers .............................................................................................................................24

12.7. One shot register .................................................................................................................................. 24

12.8. Therm Limit registers ............................................................................................................................25

12.9. External fault register ............................................................................................................................25

12.10. Channel mask register ........................................................................................................................26

12.11. Consecutive ALERT register ...............................................................................................................26

12.12. Beta configuration registers ................................................................................................................27

12.13. External channel ideality factor registers ........................................................................................... 29

12.14. High Limit status register ....................................................................................................................30

12.15. Low Limit status register .....................................................................................................................30

12.16. Therm Limit status register ................................................................................................................. 31

12.17. Product ID register ..............................................................................................................................32

12.18. Manufacturer ID register .....................................................................................................................32

12.19. Revision register .................................................................................................................................32

13. Physical Dimensions .......................................................................................................................................33

13.1. MSOP-10 .............................................................................................................................................. 33