DA9213, DA9214, and DA9215

Multi-Phase 5A/Phase DC-DC Buck Converter

Datasheet

Revision 2.2

23-Oct-2017

CFR0011-120-00

4 of 62

© 2017 Dialog Semiconductor

Contents

General Description ............................................................................................................................ 1

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

Applications ......................................................................................................................................... 2

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

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

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

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

1

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

2

Pinout ............................................................................................................................................. 8

3

Absolute Maximum Ratings ....................................................................................................... 11

4

Recommended Operating Conditions....................................................................................... 11

5

Electrical Characteristics ........................................................................................................... 12

6

Efficiency Measurements ........................................................................................................... 19

7

Functional Description ............................................................................................................... 20

7.1

DC_DC Buck Converter ...................................................................................................... 23

7.1.1

Switching Frequency ........................................................................................... 24

7.1.2

Operation Modes and Phase Selection ............................................................... 24

7.1.3

Output Voltage Selection ..................................................................................... 24

7.1.4

Soft Start-Up ........................................................................................................ 25

7.1.5

Current Limit ........................................................................................................ 25

7.1.6

Variable VOUT above 1.57 V .............................................................................. 26

7.2

Ports Description................................................................................................................. 27

7.2.1

VDDIO.................................................................................................................. 27

7.2.2

IC_EN .................................................................................................................. 27

7.2.3

nIRQ..................................................................................................................... 27

7.2.4

GPIO Extender .................................................................................................... 28

7.3

Operating Modes................................................................................................................. 30

7.3.1

ON Mode ............................................................................................................. 30

7.3.2

OFF Mode............................................................................................................ 30

7.4

Control Interfaces................................................................................................................ 30

7.4.1

4-WIRE Communication ...................................................................................... 30

7.4.2

2-WIRE Communication ...................................................................................... 35

7.4.3

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

7.5

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

8

Register Definitions .................................................................................................................... 40

8.1

Register Map ....................................................................................................................... 40

8.1.1

Register Page Control ......................................................................................... 42

8.1.2

Register Page 0 ................................................................................................... 42

8.1.2.1

System Control and Event ............................................................... 42