DA9213, DA9214, DA9215 Datasheet

R16DS0598EJ0361 Rev.03.61

Nov 03, 2025

CFR0011-120-00

Page 4

Contents

Key Features .......................................................................................................................................................... 1

Applications ........................................................................................................................................................... 1

System Diagrams................................................................................................................................................... 2

Contents ................................................................................................................................................................. 4

Figures .................................................................................................................................................................... 5

Tables...................................................................................................................................................................... 6

1.

Terms and Definitions ................................................................................................................................... 7

2.

Pin Information .............................................................................................................................................. 8

2.1

Pin Assignments .................................................................................................................................... 8

2.2

Pin Descriptions................................................................................................................................... 10

3.

Specifications............................................................................................................................................... 12

3.1

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

3.2

Recommended Operating Conditions ................................................................................................. 12

3.3

Electrical Specifications ....................................................................................................................... 13

4.

Typical Performance Graphs...................................................................................................................... 20

5.

Functional Description................................................................................................................................ 21

5.1

DC_DC Buck Converter....................................................................................................................... 24

5.1.1

Switching Frequency............................................................................................................. 25

5.1.2

Operation Modes and Phase Selection ................................................................................ 26

5.1.3

Output Voltage Selection ...................................................................................................... 26

5.1.4

Soft Start-Up.......................................................................................................................... 27

5.1.5

Current Limit.......................................................................................................................... 27

5.1.6

Variable VOUT above 1.57 V................................................................................................ 27

5.2

Ports Description ................................................................................................................................. 29

5.2.1

VDDIO ................................................................................................................................... 29

5.2.2

IC_EN.................................................................................................................................... 29

5.2.3

nIRQ ...................................................................................................................................... 29

5.2.4

GPIO Extender ...................................................................................................................... 29

5.3

Operating Modes ................................................................................................................................. 32

5.3.1

ON Mode ............................................................................................................................... 32

5.3.2

OFF Mode ............................................................................................................................. 32

5.4

Control Interfaces ................................................................................................................................ 32

5.4.1

4-WIRE Communication........................................................................................................ 32

5.4.2

2-WIRE Communication........................................................................................................ 36

5.4.3

Details of the 2-WIRE Control Bus Protocol ......................................................................... 36

5.5

Internal Temperature Supervision ....................................................................................................... 39

6.

Application Information .............................................................................................................................. 40

6.1

Capacitor Selection.............................................................................................................................. 40

6.2

Inductor Selection ................................................................................................................................ 40

7.

Registers....................................................................................................................................................... 42

7.1

Register Map ....................................................................................................................................... 42