MAX1679EUA+ Maxim Integrated Products, MAX1679EUA+ Datasheet - Page 6

• Manufacturer Part Number: MAX1679EUA+
• Description: IC BATT CHRGR 1CELL LITH 8-UMAX
• Manufacturer: Maxim Integrated Products

Specifications of MAX1679EUA+

• Function: Charge Management
• Battery Type: Lithium-Ion (Li-Ion)
• Voltage - Supply: 5 V ~ 22 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Single-Cell Li+ Battery Charger
for Current-Limited Supply
Figure 1. Functional Diagram
6
*
**
OPTIONAL
R
_______________________________________________________________________________________
ADJ
= 410k
SEE TABLE 3
FOR TIMEOUT
OPTIONS
1% FOR 4.1V CELL; LEAVE OPEN FOR 4.2V CELL.
CURRENT-LIMITED
VOLTAGE SOURCE
TSEL
(800mA)
TRICKLE
CHARGE
OSCILLATOR
(5mA)
TIMER
30kHz
MAX1679
REVERSE-CURRENT
PROTECTION DIODE
MACHINE
STATE
HOT
QUAL
TEST
CURRENT
THERM
1.4V
*
NTC THERMISTOR
IN
COLD
QUAL
TEST
CURRENT
BATT REMOVED
*
PFET
GATE
10k
1.4V
5mA
5V
1:3
BATT
CHG
ADJ
1nF
2.2 F
R
ADJ
**
SINGLE
Li+
CELL