DIO59618A

Version 1.0, Oct 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. Recommend Operating Conditions .............................................................................................................3

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

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

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

7. Block Diagram .............................................................................................................................................9

8. Application Information ..............................................................................................................................10

9. Function Description ..................................................................................................................................11

9.1. Buck mode ...................................................................................................................................... 11

9.2. Discharge mode ..............................................................................................................................12

9.3. MULTI output .................................................................................................................................. 15

9.4. Ship mode.......................................................................................................................................16

9.5. IRQ interrupt prompt function ......................................................................................................... 17

9.6. Communication mode.....................................................................................................................18

9.7. LDO output ......................................................................................................................................18

9.8. Working mode.................................................................................................................................19

9.9. Programming.................................................................................................................................. 19

10. Register Map ...........................................................................................................................................20

11. Physical Dimensions: QFN3*3-20...........................................................................................................28