DA9213 datasheet(4/63 Pages) RENESAS

4 / 63 page

DA9213, DA9214, and DA9215

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

Datasheet

Revision 3.4

10-Feb-2022

CFR0011-120-00

4 of 62

Contents

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

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

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

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

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

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

Tables ................................................................................................................................................... 5

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

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

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

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

Electrical Characteristics ........................................................................................................... 13

Efficiency Measurements ........................................................................................................... 20

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

7.1

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

7.1.1

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

7.1.2

Operation Modes and Phase Selection ............................................................... 25

7.1.3

Output Voltage Selection ..................................................................................... 25

7.1.4

Soft Start-Up ........................................................................................................ 26

7.1.5

Current Limit ........................................................................................................ 26

7.1.6

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

7.2

Ports Description................................................................................................................. 28

7.2.1

VDDIO.................................................................................................................. 28

7.2.2

IC_EN .................................................................................................................. 28

7.2.3

nIRQ..................................................................................................................... 28

7.2.4

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

7.3

Operating Modes................................................................................................................. 31

7.3.1

ON Mode ............................................................................................................. 31

7.3.2

OFF Mode............................................................................................................ 31

7.4

Control Interfaces ................................................................................................................ 31

7.4.1

4-WIRE Communication ...................................................................................... 31

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

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

8.1

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

8.1.1

8.1.2

8.1.2.1

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

8.1.2.2

GPIO Control ................................................................................... 44

8.1.2.3

Regulators Control........................................................................... 46

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