MAX8903CETI+ Maxim Integrated Products, MAX8903CETI+ Datasheet - Page 8

• Manufacturer Part Number: MAX8903CETI+
• Description: IC DC/DC CHARGER LI+ 2A 28-TQFN
• Manufacturer: Maxim Integrated Products
• Series: Smart Power Selector™r

Specifications of MAX8903CETI+

• 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

2A 1-Cell Li+ DC-DC Chargers for USB
and Adapter Power
(T
8
A
1.015
1.010
1.005
1.000
0.995
0.990
0.985
= +25°C, unless otherwise noted.)
_______________________________________________________________________________________
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
-40
0
V
MAX8903A/MAX8903C/MAX8903D
USB
NORMALIZED CHARGE CURRENT
2
SYS VOLTAGE vs. DC VOLTAGE
vs. AMBIENT TEMPERATURE
= 5V, V
-15
6
5
4
3
2
1
0
4
0
BAT
TEMPERATURE (°C)
6
DC VOLTAGE (V)
2
= 4V
10
VL VOLTAGE vs. DC VOLTAGE
V
V
DC
8
DC
4
FALLING
RISING
10
35
6
DC VOLTAGE (V)
12
8
V
V
V
14
60
CEN
BAT
USB
10
= 0V
16
= 5V
= 0V
12
85
18
14
16
100.5
100.4
100.3
100.2
100.1
100.0
99.9
99.8
99.7
99.6
99.5
Typical Operating Characteristics (continued)
4.50
4.40
4.30
4.20
4.10
4.00
3.90
3.80
18
-40
0
MAX8903B/MAX8903E
V
DC
BATTERY REGULATION VOLTAGE
= 5.75V
vs. AMBIENT TEMPERATURE
-15
vs. SYS OUTPUT CURRENT
0.5
SYS OUTPUT CURRENT (A)
MAX8903A/MAX8903C/MAX8903D
V
TEMPERATURE (
DC
MAX8903A/C
SYS VOLTAGE
10
= 5.75V
1.0
UNCONNECTED
35
USB AND DC
V
°
BATT
C)
1.5
= 4V
22ppm/°C
60
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
CHARGE PROFILE—1400mAh BATTERY
0
85
2.0
MAX8903A/MAX8903B/MAX8903C
ADAPTER INPUT—1A CHARGE
20
4.41
4.40
4.39
4.38
4.37
4.36
4.35
4.34
4.33
4.32
4.31
4.30
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
40
I
I
BAT
DC
0
I
BAT
0
SET TO 1A
0
SET TO 2A
vs. SYS OUTPUT CURRENT, USB INPUT
TIME (min)
V
V
V
60
CEN
BAT
DC
SYS VOLTAGE vs. USB VOLTAGE
V
USB
= 0V
1
= 0V
= 5V
100
80
FALLING
SYS OUTPUT CURRENT (mA)
2
V
BAT
SYS VOLTAGE
USB VOLTAGE (V)
100
200
MAX8903A toc17
3
MAX8903B/MAX8903E
120
MAX8903A/MAX8903C/
MAX8903D
4
300
140
1.2
1.0
0.8
0.6
0.4
0.2
0.0
V
USB
R
5
SYS
V
400
RISING
USB
= 1MΩ
6
= 5V
500
7