DA9021 datasheet(111/142 Pages) DIALOG

111 / 142 page

DA9021/22

System PMIC with high efficiency USB power manager

Datasheet

Revision 2.5

17-Feb-2017

CFR0011-120-00 Rev 5

111 of 142

Table 101: BAT_CHG

address

Bit

Type

Label

Default

Description

R65

BAT_CHG

5:0

R/W

ICHG_BAT

Note 1

001010

Battery charger current limit (CC)

000000: 0 mA (charging suspended)

000001: 20 mA

000010: 40 mA

000011: 60 mA

000100: 80 mA

000101: 100 mA

000110: 120 mA

000111: 140 mA

001000: 160 mA

001001: 180 mA

001010: 200 mA

001011: 220 mA

...

110111: 1100 mA

111000: 1120 mA

111001: 1140 mA

111010: 1160 mA

111011: 1180 mA

111100: 1200 mA

111101: 1220 mA

111110: 1240 mA

111111: 1260 mA

7:6

R/W

ICHG_PRE

Battery pre-charge current limit

00: 0 mA (charging suspended)

01: 20 mA

10: 40 mA

11: 60 mA

Note 1

3-bit trimming are used to tweak the absolute value via OTP

Table 102: CHG_CONT

Address

Bit

Type

Label

Default

Description

R66

CHG_CONT

2:0

R/W

VCH_THR

001

Charger buck reduces the actual current

limit if external supply voltage drops below:

000: 3.7 V

001: 3.8 V

010: 3.9 V

011: 4.0 V

100: 4.1 V

101: 4.2 V

110: 4.3 V

111: 4.35 V (detection threshold)

7:3

R/W

VCHG_BAT

10110

Battery charger voltage limit (CV)

00000: 3.650 V

00001: 3.675 V

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