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DA9021 Datasheet(PDF) 109 Page - Dialog Semiconductor

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/
Logo DIALOG - Dialog Semiconductor

DA9021 Datasheet(HTML) 109 Page - Dialog Semiconductor

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DA9021/22
System PMIC with high efficiency USB power manager
Datasheet
Revision 2.5
17-Feb-2017
CFR0011-120-00 Rev 5
109 of 142
© 2017 Dialog Semiconductor
19.8.1
Battery charger
Table 98: CHG_BUCK
Register
address
Bit
Type
Label
Default
Description
R62
CHG_BUCK
3:0
R/W
ISET_BUCK
0010
Note 1
0000: 80 mA
0001: 90 mA
0010: 100 mA
0011: 110 mA
0100: 120 mA
0101: 130 mA
0110: 400 mA
0111: 450 mA
1000: 500 mA
1001: 550 mA
1010: 600 mA
1011: 650 mA
1100: 700 mA
1101: 900 mA
1110: 1100 mA
1111: 1300 mA
4
R/W
CHG_BUCK_EN
1
This bit is controlled by the charger state
machine. If reset by the host only a
charger removal and re-attach starts
automatic charger control again. If set to 1
the automatic charger control is started
immediately.
5
R/W
CHG_BUCK_LP
0
When set to 1 the charger buck is forced to
the PFM (SLEEP) mode and charging will
be suspended. Automatically cleared when
starting charging/re-charging
6
R/W
0
RESERVED
7
R/W
CHG_TEMP
1
0: Thermal charging control disabled
1: Thermal charging control enabled
Note 1
The OTP value is used during manufacturing to trim the max. 100 mA current limit (USB default
charge current)
Table 99: WAIT_CONT
Register
address
Bit
Type
Label
Default
Description
R63
WAIT_CONT
3:0
R/W
DELAY_TIME
1011
0000: 0 µsec
0001: 540 µs
0010: 1.0 ms
0011: 2.0 ms
0100: 4.1 ms
0101: 8.2 ms
0110: 16.4 ms
0111: 32.8 ms
1000: 65.5 ms
1001: 131 ms
1010: 262 ms



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