MAX1898EUB41+ Maxim Integrated Products, MAX1898EUB41+ Datasheet - Page 7

• Manufacturer Part Number: MAX1898EUB41+
• Description: IC CHARGER LI+ SNGL 10-UMAX
• Manufacturer: Maxim Integrated Products

Specifications of MAX1898EUB41+

• Function: Charge Management
• Battery Type: Lithium-Ion (Li-Ion)
• Voltage - Supply: 4.5 V ~ 12 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 10-MSOP, Micro10™, 10-uMAX, 10-uSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 1. Functional Diagram
500mA CHARGE
CHARGING FOR
DC IN
(2.8kΩ FOR
C
CURRENT)
CT
= 100nF
RSET
LED
3hr,
EN/OK
Linear Charger for Single-Cell Li+ Battery
CHG
ISET
CT
_______________________________________________________________________________________
OSC
3V
100kΩ
TIMEOUT
CONTROL
5mA
LOGIC
DONE
0.1µF
V
280mV ISET (FALLING)
L
÷2
305mV ISET (RISING)
REG
UVLO
18
SHUTDOWN
1.4V
REF
BATT
IN
SHUTDOWN
LOGIC
CHG
CA
1.4V
1.4V
84Ω
ICHARGE < 20%
VA
SHUTDOWN
RESTART
CSA
DONE
PREQUAL
GND
DRV
84mΩ
20mΩ
HV
4.5V TO 12V
69.275kΩ
34.637kΩ
470Ω
2.653kΩ
IN
2.5V
CS
DRV
BATT
10µF
RSTRT
0.1µF
7