MAX8903CETI+ Maxim Integrated Products, MAX8903CETI+ Datasheet - Page 13

• 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

Figure 1. Functional Block Diagram
USB
LIMIT
ADAPTER
500mA
100mA
DC MODE
SUSPEND
LIMIT
USB
AC
DC
USB
USUS
DCM
IUSB
USB
UOK
DOK
IDC
DC
______________________________________________________________________________________
DC POWER
MANAGEMENT
PWR
PWR
OK
2A 1-Cell Li+ DC-DC Chargers for USB
OK
USB POWER
MANAGEMENT
CURRENT-LIMIT
INPUT AND
SET LOGIC
CHARGER
PG
REGULATOR
STEP-DOWN
REGULATOR
CURRENT-
VOLTAGE
INPUT
LIMITED
LIMIT
SET
PWM
INPUT
LIMIT
SET
LX
BST
DC
EP
REGULATION
THERMAL
CS
IC
AND SYS LOAD SWITCH
and Adapter Power
CURRENT-
CHARGER
CONTROL
AND MONITOR
Li+ BATTERY
VOLTAGE
(SEE FIGURE 7)
TERMINATION
THERMISTOR
CHARGER
MAX8903A–
MONITOR
CHARGE
MAX8903E
MAX8903G
MAX8903Y
CHARGE
TIMER
CHG
ISET
FLT
CT
CEN
SYS
BAT
THM
VL
GND
TO
SYSTEM
LOAD
CONNECTOR
BATTERY
BAT+
NTC
BAT-
T
+
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