DIO8017

Version 1.1, Dec 2025

www.dioo.com

© 2025 Dioo Microcircuits Co., Ltd. Jiangsu

III

Table of Contents

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

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

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

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

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

6. Typical Characteristics ................................................................................................................................ 8

7. Block Diagram ...........................................................................................................................................10

8. Function Description ..................................................................................................................................11

8.1. Under-voltage lockout (UVLO) ....................................................................................................... 11

8.2. Thermal management .....................................................................................................................11

8.3. Enabling / Disabling ........................................................................................................................11

8.4. Over-current protection (OCP) ....................................................................................................... 12

8.5. Under-voltage protection (UVP) ..................................................................................................... 12

8.6. 4-fault shutdown ............................................................................................................................. 12

8.7. Sleep mode .................................................................................................................................... 12

8.8. Reset .............................................................................................................................................. 12

8.9. Power up / down sequence............................................................................................................12

8.10. No fault shutdown .........................................................................................................................13

9. Application Information ..............................................................................................................................14

10. Programming...........................................................................................................................................15

10.1. I2C interface................................................................................................................................. 15

10.2. I2C slave address .........................................................................................................................15

10.3. Bus timing .....................................................................................................................................15

10.4. Read and write transactions .........................................................................................................16

10.5. Multi−byte (sequential) write transactions (Figure 21) ................................................................. 16

10.6. Multi−byte (sequential) read transactions (Figure 22) ................................................................. 16

11. Register Maps ......................................................................................................................................... 18

11.1. Register Definition ........................................................................................................................ 20

12. Physical Dimensions: WLCSP-20 ...........................................................................................................47