MAX8903CETI+ Maxim Integrated Products, MAX8903CETI+ Datasheet - Page 3

• 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

ELECTRICAL CHARACTERISTICS (continued)
(V
(Note 1)
DC Soft-Start Time
DC Output Current
500mA USB Mode (Note 3)
DC Output Current
100mA USB Mode (Note 2)
SYS to DC Reverse Current
Blocking
USB INPUT
USB Operating Range
USB Standoff Voltage
USB Undervoltage Threshold
USB Overvoltage Threshold
USB Current Limit
USB Supply Current
Minimum USB to BAT Headroom
USB to SYS Dropout Resistance
USB Soft-Start Time
SYS OUTPUT
Minimum SYS Regulation Voltage
(V
Regulation Voltage
Load Regulation
CS to SYS Resistance
SYS to CS Leakage
BAT to SYS Resistance
BAT to SYS Reverse Regulation
Voltage
SYS Undervoltage Threshold
DC
SYSMIN
= V
USB
)
PARAMETER
= 5V, V
_______________________________________________________________________________________
BAT
= 4V, circuit of Figure 2, T
2A 1-Cell Li+ DC-DC Chargers for USB
No valid USB input
Valid USB input before soft-start
V
V
V
When V
When V
V
V
I
I
V
V
V
I
V
I
I
V
V
V
V
SYS falling, 200mV hysteresis (Note 4)
SYS
SYS
SYS
SYS
SYS
DCM
DCM
SYS
IUSB
IUSB
USUS
USB
DC
BAT
DC
SYS
DC
USB
= I
= I
falling below DC UVLO to initiate USB soft-start
= 1A,
= 0A
= 0 to 2A
= 6V, V
= V
= 5.5V, V
< V
= 5.5V, V
rising
= 5V, V
= 0V, V
= 0V, V
= 0V (100mA setting)
= 5V (500mA setting)
= 5V (USB suspend mode)
BAT
BAT
UOK
UOK
USB
SYSMIN
= 0mA, V
= 0mA, V
DCM
goes low, V
goes high, V
= 0V, V
DC
IUSB
IUSB
DC
DC
A
= 0V, V
= -40°C to +85°C, unless otherwise noted. Typical values are at T
= 5V, V
= 0V
= V
= 5V
= 0V
BAT
CEN
CEN
MAX8903A/MAX8903B/MAX8903E/
MAX8903G/MAX8903Y
MAX8903C/MAX8903D
MAX8903A/MAX8903C/
MAX8903D/MAX8903Y
MAX8903B/MAX8903E/
MAX8903G
MAX8903A/MAX8903C/
MAX8903D/MAX8903Y
MAX8903B/MAX8903E/
MAX8903G
CONDITIONS
CS
IUSB
USB
= 4.2V, I
SYS
= 0V
USB
= 0V
= 5V
rising, 500mV hysteresis
= 4V, I
= 0V, I
rising, 500mV hysteresis
SYS
CS
SYS
= 1A
= 1A
= 200mA
and Adapter Power
4.265
3.95
MIN
450
450
4.1
6.8
4.3
1.8
90
90
50
0
0.115
4.325
TYP
0.01
0.07
0.01
0.05
475
475
4.0
6.9
1.3
0.8
0.2
3.0
3.4
4.4
1.9
20
95
95
15
20
40
25
75
1
1
4.395
MAX
4.05
0.25
0.35
100
500
100
500
100
6.3
7.0
4.5
0.1
2.0
30
8
3
2
A
= +25°C.)
UNITS
mV/A
mA
mA
mA
mA
mV
mV
ms
ms
μA
μA
μs
μs
Ω
Ω
Ω
V
V
V
V
V
V
V
3