DA9211 datasheet(4/74 Pages) DIALOG

4 / 74 page

DA9211 and DA9212

Datasheet

Company confidential

Data sheet

Version <3.0>

<07-Jan-2015>

CFR0011-120-00 Rev 3

4 of 74

Contents

1. General description....................................................................................................................... 1

2. Key features ................................................................................................................................... 1

3. Applications ................................................................................................................................... 2

4. System diagrams........................................................................................................................... 2

5. Revision history ............................................................................................................................ 7

6. Terms and definitions ................................................................................................................... 7

7. Ordering information .................................................................................................................... 8

8. Pin information .............................................................................................................................. 8

9. Absolute maximum ratings ........................................................................................................ 11

10. Recommended operating conditions ........................................................................................ 11

11. Electrical characteristics ............................................................................................................ 12

12. Typical Characteristics ............................................................................................................... 21

13. Functional description ................................................................................................................ 28

DC-DC Buck Converter....................................................................................................... 32

13.1

Switching Frequency .............................................................................................. 32

13.1.1

Operation Modes and Phase Selection .................................................................. 33

13.1.2

Output Voltage Selection ........................................................................................ 33

13.1.3

Soft Start up ............................................................................................................ 34

13.1.4

Current Limit ........................................................................................................... 34

13.1.5

Ports Description................................................................................................................. 35

13.2

VDDIO..................................................................................................................... 35

13.2.1

IC_EN ..................................................................................................................... 35

13.2.2

nIRQ........................................................................................................................ 35

13.2.3

GPIO Extender........................................................................................................ 36

13.2.4

Operating Modes................................................................................................................. 38

13.3

ON Mode................................................................................................................. 38

13.3.1

OFF Mode............................................................................................................... 39

13.3.2

Control Interfaces................................................................................................................ 40

13.4

4-WIRE Communication ......................................................................................... 40

13.4.1

2-WIRE Communication ......................................................................................... 44

13.4.2

Details of the 2-WIRE control bus protocol............................................................. 45

13.4.3

Internal Temperature Supervision....................................................................................... 48

13.5

14. Register definitions ..................................................................................................................... 49

Register map....................................................................................................................... 49

14.1

Register Definitions ............................................................................................................. 50

14.2

14.2.1

Register Page 0 ...................................................................................................... 50

14.2.2

Register Page 1 ...................................................................................................... 57

14.2.3

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