MAX8903AETI+T Maxim Integrated Products, MAX8903AETI+T Datasheet - Page 7

• Manufacturer Part Number: MAX8903AETI+T
• Description: IC DC/DC CHARGER LI+ 28-TQFN
• Manufacturer: Maxim Integrated Products
• Series: Smart Power Selector™r

Specifications of MAX8903AETI+T

• Function: Charge Management
• Battery Type: Lithium-Ion (Li-Ion)
• Voltage - Supply: 4.1 V ~ 16 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(T
A
= +25°C, unless otherwise noted.)
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
90
80
70
60
50
40
30
20
10
0
0
0
-40
4
0
V
BATTERY LEAKAGE CURRENT
vs. AMBIENT TEMPERATURE
1
CHARGER
BAT
ENABLED
6
-15
MAX8903G SWITCHING
USB SUPPLY CURRENT
= 3V
FREQUENCY vs. V
2
vs. USB VOLTAGE
TEMPERATURE (°C)
V
8
USB VOLTAGE (V)
DC VOLTAGE (V)
BAT
10
_______________________________________________________________________________________
= 4V
3
10
NO DC OR USB INPUT
4
35
2A 1-Cell Li+ DC-DC Chargers for USB
CHARGER
DISABLED
12
R
V
DC
ISET
CEN
5
60
= 1.2kI
= 0V
14
6
16
85
7
Typical Operating Characteristics (continued)
140
120
100
100
500
450
400
350
300
250
200
150
100
80
60
40
20
90
80
70
60
50
40
30
20
10
50
0
0
0
1.5
0
1
vs. BATTERY VOLTAGE—USB MODE
CHARGE ENABLED
I
MAX8903D
V
V
V
BAT
BAT
CEN
SYS
V
IUSB
vs. USB VOLTAGE (SUSPEND)
1
SET TO 1.5A
2.0
RISING
vs. SYS OUTPUT CURRENT
= 4.4V
= 1V
USB SUPPLY CURRENT
SYS OUTPUT CURRENT (mA)
= V
10
CHARGE CURRENT
2
USB
BATTERY VOLTAGE (V)
SYS EFFICIENCY
2.5
USB VOLTAGE (V)
3
100
3.0
4
V
V
DC
DC
V
USB SUSPEND
3.5
IUSB
= 4.5V
= 6V
V
V
5
DC
1000
DC
= 0V
= 16V
= 11V
and Adapter Power
4.0
6
10000
4.5
7
1200
1000
100
800
600
400
200
90
80
70
60
50
40
30
20
10
80
70
60
50
40
30
20
10
0
0
0
1.5
1
0
CHARGER ENABLED
I
I
MAX8903A/MAX8903C
V
BAT
DC
vs. BATTERY VOLTAGE—DC MODE
V
BAT
CEN
SET TO 2A
SET TO 1A
MAX8903G SYS EFFICIENCY
BATTERY LEAKAGE CURRENT
RISING
2.0
vs. SYS OUTPUT CURRENT
1
= 1
SYS OUTPUT CURRENT (mA)
vs. BATTERY VOLTAGE
10
CHARGE CURRENT
BATTERY VOLTAGE (V)
BATTERY VOLTAGE (V)
2.5
2
V
DC
= 6V
100
V
3.0
3
DC
NO DC OR USB INPUT
V
= 9V
DC
V
3.5
= 12V
DC
4
1000
= 16V
4.0
5
10,000
4.5
6
7