Datasheet
MAX8677C
1.5A Dual-Input USB/AC Adapter Charger
and Smart Power Selector
_______________________________________________________________________________________ 5
Typical Operating Characteristics
(T
A
= +25°C, unless otherwise noted.)
USB QUIESCENT CURRENT
vs. USB VOLTAGE (CHARGER ENABLED)
MAX8677C toc01
USB VOLTAGE (V)
USB QUIESCENT CURRENT (mA)
764 52 31
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
0
08
V
BAT
= 4.2, V
USUS
= 0V
EXITING UVLO
ENTERING OVLO
CHARGER IN
DONE MODE
I
SYS
= 0V
PEN1 = X, PEN2 = 1
V
USB
RISING
V
USB
FALLING
USB QUIESCENT CURRENT
vs. USB VOLTAGE (CHARGER DISABLED)
MAX8677C toc02
USB VOLTAGE (V)
USB QUIESCENT CURRENT (mA)
7645231
0.2
0.4
0.6
0.8
1.0
1.2
0
08
V
BAT
= 4.2, V
USUS
= 0V
EXITING UVLO
ENTERING OVLO
CEN = 1
I
SYS
= 0V
PEN1 = X, PEN2 = 1
V
USB
RISING
V
USB
FALLING
USB QUIESCENT CURRENT
vs. USB VOLTAGE (SUSPEND)
MAX8677C toc03
USB VOLTAGE (V)
USB QUIESCENT CURRENT (mA)
7645231
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
0
08
V
BAT
= 4.2, USUS = 1
PEN1 = X, PEN2 = 1
BATTERY LEAKAGE CURRENT
vs. BATTERY VOLTAGE (USB DISCONNECTED)
MAX8677C toc04
BATTERY VOLTAGE (V)
BATTERY LEAKAGE CURRENT (μA)
45231
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
0
0
USB = OPEN
BATTERY LEAKAGE CURRENT
vs. TEMPERATURE
MAX8677C toc05
TEMPERATURE (
°
C)
BATTERY LEAKAGE CURRENT (μA)
60 8510 35-15
3.48
3.50
3.52
3.54
3.56
3.58
3.60
3.46
-40
V
BAT
= 4V
BATTERY LEAKAGE CURRENT
vs. BATTERY VOLTAGE (USB CONNECTED)
MAX8677C toc06
BATTERY VOLTAGE (V)
BATTERY LEAKAGE CURRENT (μA)
45231
1
2
3
4
5
6
7
0
0
V
USB
= 5V
USUS = 1
CEN = 1
CHARGE CURRENT
vs. BATTERY VOLTAGE (100mA USB)
MAX8677C toc07
BATTERY VOLTAGE (V)
CHARGE CURRENT (mA)
45231
10
20
30
40
50
60
70
80
90
100
0
0
V
USB
= 5V
PEN1 = X , PEN2 = 1
V
BAT
RISING
V
BAT
FALLING
CHARGE CURRENT
vs. BATTERY VOLTAGE (500mA USB)
MAX8677C toc08
BATTERY VOLTAGE (V)
CHARGE CURRENT (mA)
45231
50
100
150
200
250
300
350
400
450
500
0
0
V
USB
= 5V
PEN1 = X, PEN2 = 1
V
BAT
RISING
V
BAT
FALLING
CHARGE CURRENT
vs. BATTERY VOLTAGE (1ADC)
MAX8677C toc09
BATTERY VOLTAGE (V)
CHARGE CURRENT (A)
45231
0.2
0.4
0.6
0.8
1.0
1.2
0
0
V
DC
= 5V
PEN1 = 1 , PEN2 = X
V
BAT
RISING
V
BAT
FALLING