WM8350GEB/V Wolfson Microelectronics, WM8350GEB/V Datasheet - Page 162
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WM8350GEB/V
Manufacturer Part Number
WM8350GEB/V
Description
Audio CODECs Audio CODEC plus pwr management
Manufacturer
Wolfson Microelectronics
Datasheet
1.WM8350GEBV.pdf
(339 pages)
Specifications of WM8350GEB/V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- Current page: 162 of 339
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WM8350
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The register control fields for Trickle Charging are described in Table 104. See Section 17.7.5 for
details of battery charger termination.
R168 (A8h)
Battery charger
control 1
R169 (A9h)
Battery charger
control 2
R170 (AAh)
Battery charger
control 3
Table 104 Trickle Charging Control
ADDRESS
BIT
9
8
7
6
7
CHG_TRICKLE
_TEMP_CHOK
E
CHG_TRICKLE
_USB_CHOKE
CHG_RECOVE
R_T
CHG_TRICKLE
_SEL
CHG_FRC
LABEL
DEFAULT
0
0
0
0
0
Enable trickle charge temperature
choking
0 = disable
1 = enable
Protected by security key.
Enable USB current choking in trickle
charge
0 = disable
1 = enable
Protected by security key.
Time constant adjust for charger choke
recovery (step-up):
0 = Step-up time constant is 180us
(allows faster recovery between
processor wakeups)
1 = Step-up time constant is >20ms
(outside audio band)
Protected by security key.
Selects the trickle charge current.
0 = Set the trickle charge current to
50mA.
1 = Set the trickle charge current to
100mA.
Protected by security key.
Allows trickle-charging to be forced even
if the battery voltage is above the default
threshold
0 = only trickle-charge if the battery
voltage is below CHG_VSEL - 100mV
1 = always trickle-charge
Protected by security key.
DESCRIPTION
PD, March 2010, Rev 4.2
Production Data
162
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