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MAX8934A Datasheet(PDF) 8 Page - Maxim Integrated Products

Part # MAX8934A
Description  Dual-Input Linear Chargers, Smart Power Selector with Advanced Battery Temperature Monitoring
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX8934A Datasheet(HTML) 8 Page - Maxim Integrated Products

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Dual-Input Linear Chargers, Smart Power Selector
with Advanced Battery Temperature Monitoring
8 ______________________________________________________________________________________
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)
200
400
600
800
1000
1200
0
USB VOLTAGE (V)
7
6
4
5
2
3
1
0
8
VBATT = 4.2V,
VUSUS = 0V
CHARGER IN
DONE MODE
ISYS = 0A
VUSB RISING
VUSB FALLING
ENTERING OVLO
USB OPERATING SUPPLY CURRENT
vs. USB VOLTAGE (CHARGER DISABLED)
USB VOLTAGE (V)
7
6
4
5
2
3
1
100
200
300
400
500
600
700
800
900
0
0
8
VBATT = 4.2V,
VUSUS = 0V
CEN = 1
ISYS = 0A
PEN1 = X, PEN2 = 1
VUSB RISING
VUSB FALLING
ENTERING OVLO
USB SUSPEND CURRENT
vs. USB VOLTAGE
USB VOLTAGE (V)
7
6
5
4
3
2
1
50
100
150
200
250
0
0
8
VBATT = 4.2V,
USUS = 1
BATTERY INPUT CURRENT
vs. BATTERY VOLTAGE
(USB DISCONNECTED)
BATTERY VOLTAGE (V)
4
3
2
1
2
4
6
8
10
12
14
0
0
5
THMEN = 1
THMEN = 0
CHARGE CURRENT vs.
BATTERY VOLTAGE (500mA USB)
BATTERY VOLTAGE (V)
4
3
2
1
50
100
150
200
250
300
350
400
450
500
0
0
5
VUSB = 5V
PEN1 = X, PEN2 = 1
VBATT RISING
VBATT FALLING
CHARGE CURRENT vs.
BATTERY VOLTAGE (1A DC)
BATTERY VOLTAGE (V)
4
3
2
1
200
400
600
800
1000
1200
0
0
5
VDC = 5V
PEN1 = 1, PEN2 = X
VBATT RISING
VBATT FALLING
BATTERY INPUT CURRENT
vs. TEMPERATURE
TEMPERATURE (°C)
60
35
10
-15
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
4.9
5.0
4.0
-40
85
VBATT = 4V, THMEN = 0, ILDO = 0
USB AND DC UNCONNECTED
CHARGE CURRENT vs.
BATTERY VOLTAGE (100mA USB)
BATTERY VOLTAGE (V)
4
3
2
1
10
20
30
40
50
60
70
80
90
100
0
0
5
VUSB = 5V
PEN1 = X, PEN2 = 0
VBATT RISING
VBATT FALLING


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