MAX1679EUA+ Maxim Integrated Products, MAX1679EUA+ Datasheet - Page 2

• 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

ELECTRICAL CHARACTERISTICS
(V
to +85°C, unless otherwise noted. Typical values are at T
Single-Cell Li+ Battery Charger
for Current-Limited Supply
ABSOLUTE MAXIMUM RATINGS
IN, CHG, GATE to GND ........................................ -0.3V to +26V
BATT, TSEL, THERM, ADJ to GND ........................ -0.3V to +6V
GATE to IN................................................................-6V to +0.3V
THERM, ADJ to BATT...............................................-6V to +0.3V
GATE Continuous Current ................................................ -10mA
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
2
Input Voltage (Note 1)
Input Voltage for Removable
Battery (Note 1)
Undervoltage Lockout Trip Point
Undervoltage Lockout Trip-Point
Hysteresis
Fast-Charge Qualification
Threshold
Fast-Charge Restart Threshold
Precharge Source Current
BATT Regulation Voltage
BATT Regulation Adjust Range
ADJ Source Impedance
ADJ Output Voltage
Battery Removal Detection
Threshold
Battery Removal Detection
Threshold Hysteresis
BATT Input Current (Note 2)
BATT Input Current, Fast-
Charge State
BATT Input Current, Done State
IN Input Current, Fast-Charge
State
IN Input Current, Done State
Timer Accuracy
CHG Output Leakage Current
IN
_______________________________________________________________________________________
= V
CHG
PARAMETER
= +10V, V
BATT
= +4.2V, TSEL = GND, GATE = unconnected, ADJ = unconnected, THERM = 10kΩ to GND, T
SYMBOL
I
I
BATT
BATT
V
V
I
I
IN
IN
IN
IN
See Table 3
External PMOS FET off
External PMOS FET off
V
V
V
current
V
PREQUAL state (Figure 2)
V
No load on ADJ
V
V
V
V
V
V
V
V
BATT
BATT
BATT
BATT
BATT
BATT
BATT
IN
BATT
BATT
BATT
BATT
CHG
≤ V
rising
falling
rising, transition from precharge to full
falling, transition from DONE to
= 2V
rising
falling
= 4V
= 4.25V
= 4V, V
= 4.25V, V
= 22V, CHG = high
BATT
A
= +25°C.)
-0.3V
IN
CONDITIONS
= 4V
IN
= 22V
Continuous Power Dissipation (T
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range ............................ -65°C to +150°C
Lead Temperature (soldering, 10sec) ............................ +300°C
8-Pin µMAX (derate 4.1mW/°C above +70°C) ........... 330mW
4.1685
2.425
3.783
1.393
4.875
MIN
-10
2.1
4.0
9.8
-1
5
6
4
A
= +70°C)
4.2000
1.400
2.500
TYP
3.89
125
900
500
250
2.2
5.0
0.1
60
10
30
5
4.2315
2.575
1.407
5.125
MAX
1500
1000
4.00
10.2
100
600
+10
2.3
4.2
+1
22
22
6
1
UNITS
A
mA
mV
mV
kΩ
µA
µA
µA
µA
µA
µA
%
= 0°C
V
V
V
V
V
V
V
V
V
%