IP5389

V1.23

www.injoinic.com

3 / 41

Copyright © 2023, Injoinic Corp.

Contents

1 Feature .................................................................................................................................................................... 1

2 Description.............................................................................................................................................................. 1

3 Application Product................................................................................................................................................ 2

4 Revision record ......................................................................................................................................................... 4

5 Typical Application ................................................................................................................................................. 5

6 IP Series Products List.......................................................................................................................................... 6

6.1 Power Bank IC.................................................................................................................................................. 6

6.2 IP5389 Common Custom Product Description ............................................................................................ 7

7 Pin Description ....................................................................................................................................................... 8

7.1 IP5389 Pin Description .................................................................................................................................... 8

8 Internal Block Diagram of the Chip ................................................................................................................... 11

9 Absolute Maximum Ratings................................................................................................................................ 12

10 Recommended Operating Conditions ............................................................................................................ 13

11 Electrical Characteristics .................................................................................................................................. 14

12 Description of Function..................................................................................................................................... 19

12.1 Lock State and Activation............................................................................................................................ 19

12.2 Charging ........................................................................................................................................................ 19

12.3 Discharging ................................................................................................................................................... 19

12.4 USB C ............................................................................................................................................................ 21

12.5 USB C PD ..................................................................................................................................................... 23

12.6 Fast Charging Protocol................................................................................................................................ 23

12.7 Charging and Discharging Path Management......................................................................................... 25

12.8 Automatic Detection for Mobile Phone...................................................................................................... 26

12.9 Key Function ................................................................................................................................................. 27

12.10 Fast Charging Status Indicator ................................................................................................................ 27

12.11 Coulombmeter and Battery Level Display .............................................................................................. 27

12.12 Setting the System Input/Output Maximum Power............................................................................... 31

12.13 Setting the Number of Batteries in Series.............................................................................................. 31

12.14 VSET(Battery Type Setting) ..................................................................................................................... 31

12.15 NTC Function and Threshold Selection.................................................................................................. 32

13 Application Schematic....................................................................................................................................... 35

14 BOM .................................................................................................................................................................... 36

15 Package .............................................................................................................................................................. 38

15.1 Package of the Chip .................................................................................................................................... 38

15.2 Example of Pad Design............................................................................................................................... 39

16 Marking Description .......................................................................................................................................... 40

16.1 Chinese Version of Silk Screen.................................................................................................................. 40

16.2 English Version of Silk Screen ................................................................................................................... 40

17 Important Notice ................................................................................................................................................ 41