MAX8934A データシートの表示（PDF） - Maxim Integrated
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MAX8934A
Maxim Integrated
MAX8934A Datasheet PDF : 31 Pages
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Dual-Input Linear Chargers, Smart Power Selector
with Advanced Battery Temperature Monitoring
Typical Operating Characteristics
(MAX8934A, TA = +25NC, circuit of Figure 2, VDC = 6V, VBATT = 3.6V, thermistor Beta = 3964, unless otherwise noted. Negative bat-
tery current indicates charging.)
USB OPERATING SUPPLY CURRENT
vs. USB VOLTAGE (CHARGER ENABLED)
1200
VBATT = 4.2V,
1000 VUSUS = 0V
CHARGER IN
DONE MODE
800 ISYS = 0A
600
VUSB RISING
VUSB FALLING
400
USB OPERATING SUPPLY CURRENT
vs. USB VOLTAGE (CHARGER DISABLED)
900
800
VBATT = 4.2V,
VUSUS = 0V
700 CEN = 1
ISYS = 0A
600 PEN1 = X, PEN2 = 1
500
400
VUSB RISING
VUSB FALLING
300
USB SUSPEND CURRENT
vs. USB VOLTAGE
250
VBATT = 4.2V,
USUS = 1
200
150
100
200
ENTERING OVLO
0
012345678
USB VOLTAGE (V)
200
100
ENTERING OVLO
0
012345678
USB VOLTAGE (V)
50
0
012345678
USB VOLTAGE (V)
BATTERY INPUT CURRENT
vs. BATTERY VOLTAGE
(USB DISCONNECTED)
14
12
THMEN = 1
10
8
6
BATTERY INPUT CURRENT
vs. TEMPERATURE
5.0
4.9
VBATT = 4V, THMEN = 0, ILDO = 0
USB AND DC UNCONNECTED
4.8
4.7
4.6
4.5
4.4
CHARGE CURRENT vs.
BATTERY VOLTAGE (100mA USB)
100
90
80
VUSB = 5V
70
PEN1 = X, PEN2 = 0
60
VBATT RISING
VBATT FALLING
50
40
4
4.3
30
THMEN = 0
4.2
20
2
4.1
10
0
0
1
2
3
4
5
BATTERY VOLTAGE (V)
4.0
-40 -15 10
35
60
85
TEMPERATURE (°C)
0
0
1
2
3
4
5
BATTERY VOLTAGE (V)
CHARGE CURRENT vs.
BATTERY VOLTAGE (500mA USB)
500
450 VUSB = 5V
PEN1 = X, PEN2 = 1
400
350
VBATT RISING
VBATT FALLING
300
CHARGE CURRENT vs.
BATTERY VOLTAGE (1A DC)
1200
VDC = 5V
1000 PEN1 = 1, PEN2 = X
VBATT RISING
800
VBATT FALLING
250
600
200
150
400
100
200
50
0
0
1
2
3
4
5
BATTERY VOLTAGE (V)
0
0
1
2
3
4
5
BATTERY VOLTAGE (V)
8 _______________________________________________________________________________________
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