DA9021 datasheet(113/142 Pages) DIALOG

Part #	DA9021

Description	System PMIC with high efficiency USB power manager

PDF	142 Pages

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Manufacturer	DIALOG [Dialog Semiconductor]

Direct Link	http://www.dialog-semiconductor.com/

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113 / 142 page

DA9021/22

System PMIC with high efficiency USB power manager

Datasheet

Revision 2.5

17-Feb-2017

CFR0011-120-00 Rev 5

113 of 142

Address

Bit

Type

Label

Default

Description

R/W

VCHG_DROP

Charger re-enabled if VBAT drops below

VCHG_BAT minus

0: 100 mV

1: 200 mV

R/W

TCTR_MODE

0: Total charge time is extended during

periods with reduced charge current

1: Total charge time is fixed

Note 1

Changing the value of TCTR sets the timer to the new value. The timer is paused whenever the

ICHG_BAT=0 mA. The current timer value can be read from the CHG_TIME register. The timer counts

down from the loaded value.

Table 104: CHG_TIME

address

Bit

Type

Label

Default

Description

R68

CHG_TIME

7:0

CHG_TIME

00000000

Remaining minutes until charging time out

00000000: Charging ended

00000001: 2 mins remaining

00000010: 4 mins remaining

…

11111111: 510 mins remaining

DA9021 Datasheet(PDF) 113 Page - Dialog Semiconductor

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