WM8351CGEB/RV WOLFSON [Wolfson Microelectronics plc], WM8351CGEB/RV Datasheet - Page 22
WM8351CGEB/RV
Manufacturer Part Number
WM8351CGEB/RV
Description
Manufacturer
WOLFSON [Wolfson Microelectronics plc]
Datasheet
1.WM8351CGEBRV.pdf
(330 pages)
- Current page: 22 of 330
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WM8351
7.5
Test Conditions
T
7.6
Test Conditions
T
w
A
A
PARAMETER
General
Wall adaptor voltage
USB voltage
Target voltage
Defective battery threshold
End of Charge Current
Trickle Charging
Trickle charge initiation
threshold (WM8351 starts trickle
charging when battery is below
this threshold)
50mA trickle charge current
100mA trickle charge current
Fast Charging
Fast charge threshold (WM8351
can only fast-charge if battery is
above this threshold)
Maximum fast-charge current
Backup Battery (VRTC)
Backup battery charger output.
(Note that this backup charger
voltage also determines the
UVLO threshold.)
Maximum input voltage
On resistance (at 3.3V)
Current limit flag threshold
Current limit
Quiescent current (EN but not ON)
Quiescent current (EN and ON)
= +25ºC unless otherwise noted.
= +25ºC unless otherwise noted.
BATTERY CHARGER
CURRENT LIMIT SWITCH
PARAMETER
SYMBOL
LINE
EOC
USB
I
MAX
CONDITION
CHG_TRICKLE_SEL
CHG_TRICKLE_SEL
CHG_EOC_SEL bits
When charging from
When charging from
TEST CONDITIONS
Programmable in
CHG_VSEL=00
CHG_VSEL=01
CHG_VSEL=10
CHG_VSEL=11
USB power rail
register R168
wall adaptor
= 0 (default)
= 1
MIN
2.7
4.05
4.15
MIN
4.0
4.0
4.0
4.1
2.5
TYP
180
215
2.0
7
CHG_VSEL -
20 to 90
100mV
4.05
4.15
2.85
35.9
78.6
TYP
750
4.1
4.2
3.1
2.7
LINE
MAX
PD, April 2012, Rev 4.5
MAX
4.15
4.25
5.5
5.5
4.1
4.2
2.9
UNITS
Production Data
mA
mA
µA
µA
Ω
V
UNIT
mA
mA
mA
mA
V
V
V
V
V
V
V
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