DA9021 datasheet(2/142 Pages) DIALOG

2 / 142 page

DA9021/22

System PMIC with high efficiency USB power manager

Datasheet

Revision 2.5

17-Feb-2017

CFR0011-120-00 Rev 5

2 of 142

Contents

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

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

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

Contents ............................................................................................................................................... 2

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

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

Terms and definitions ................................................................................................................... 9

Block diagram.............................................................................................................................. 10

Generated supply domains ........................................................................................................ 11

Pad description ........................................................................................................................... 12

Absolute maximum ratings ........................................................................................................ 20

Recommended operating conditions ........................................................................................ 21

Current consumption .................................................................................................................. 21

Electrical characteristics ............................................................................................................ 22

8.1

Digital I/O characteristics .................................................................................................... 22

8.2

GPIO characteristics ........................................................................................................... 23

8.3

Power on reset characteristics ............................................................................................ 23

8.4

4-wire control bus ................................................................................................................ 24

8.5

Oscillator characteristics ..................................................................................................... 24

8.6

Reference voltage generation and temperature supervision .............................................. 25

8.7

LDO voltage regulators ....................................................................................................... 25

8.7.1

LDO1.................................................................................................................... 25

8.7.2

LDO3.................................................................................................................... 26

8.7.3

LDO7.................................................................................................................... 27

8.7.4

LDO9.................................................................................................................... 28

8.7.5

LDO10.................................................................................................................. 29

8.7.6

LDOCORE ........................................................................................................... 30

8.8

DC/DC buck converters ...................................................................................................... 31

8.8.1

BUCKCORE ........................................................................................................ 31

8.8.2

BUCKPRO ........................................................................................................... 32

8.8.3

BUCKPERI .......................................................................................................... 34

8.8.4

BUCKMEM .......................................................................................................... 35

8.9

Battery charger.................................................................................................................... 37

8.9.1

Charger buck ....................................................................................................... 37

8.9.2

Voltage levels on VBAT ....................................................................................... 38

8.9.3

Charging modes .................................................................................................. 38

8.9.4

Charger detection circuit...................................................................................... 39

8.9.5

VBUS charge control ........................................................................................... 39

8.9.6

Charge timer ........................................................................................................ 39

8.9.7

DCCC and active-diode ....................................................................................... 39

8.10 Oscillator40

8.11 Reference voltage generation and temperature supervision .............................................. 40

Real time clock and 32 kHz oscillator ....................................................................................... 41

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