MAX1666S Datasheet, PDF (2/16 Pages) Maxim Integrated Products – Advanced Lithium-Ion Battery-Pack Protector

Advanced Lithium-Ion
Battery-Pack Protector
ABSOLUTE MAXIMUM RATINGS
SRC, DSO, TKO, CGO, UVO, PKF, WRN to GND ...-0.3V to +28V
V_CC, REF, OVA, UVA, MMA to GND ........................-0.3V to +6V
B4P to B3P ...............................................................-0.3V to +6V
B3P to B2P ...............................................................-0.3V to +6V
B2P to B1P ...............................................................-0.3V to +6V
B1P to GND ..............................................................-0.3V to +6V
PKN to GND...........................................................................±2V
V_CC, CGI, DSI to PKN...............................................-0.3V to +6V
Continuous Power Dissipation (T_A = +70°C)
16-Pin QSOP (derate 8.3mW/°C above +70°C)...........667mW
20-Pin QSOP (derate 9.1mW/°C above +70°C)...........727mW
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10sec) .............................+300°C
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.
ELECTRICAL CHARACTERISTICS
(V_SRC = 16V, each cell voltage V_CELL = 3.6V, 330kΩ load at REF, T_A = 0°C to +85°C, unless otherwise noted. Typical values are at
T_A = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Charge Mode Detection Threshold
SRC Input Current Range
V_SRC - V_{B_P}
V_SRC - V_{B_P} = 1V
1
V
2
10
µA
Supply Current
I_SUP
No faults, long time average current from
the top battery terminal B_P
30
45
µA
Shutdown Supply Current
V_CC Output Voltage
I_SHDN
V_CC
R_LOAD ≥ 665Ω, 2V < V_CELL < 4.4V
1
µA
3.09 3.25 3.41
V
V_CC Undervoltage Lockout
Threshold
2.7
2.85
3
V
Reference Output Voltage
V_REF Pulse on
1.221
V
OVA = GND
3.980 4.000 4.020
Overvoltage Threshold
Cell voltage rising
V_OVA = V_REF / 2
OVA = REF
4.2
V
4.378 4.400 4.422
Overvoltage Threshold Hysteresis
200
mV
UVA = GND
1.950 2.000 2.050
Undervoltage Threshold
Cell voltage falling
V_UVA = V_REF / 2
UVA = REF
2.500
V
2.925 3.000 3.075
Undervoltage Threshold Hysteresis
100
mV
WRN Early Warning Threshold
Above undervoltage threshold,
cell voltage falling
100
mV
WRN Early Warning Threshold
Hysteresis
200
mV
OVA, UVA, MMA Input Current
Cell Mismatch Threshold
OVA, UVA, MMA = REF
MMA = GND
All cells > 2V
V_MMA = V_REF / 2
MMA = REF
0.1
20
nA
±0
±250
mV
±450 ±500 ±550
PKN to GND Overdischarge
Current Threshold
270
300
330
mV
PKN to GND Overcharge Current
Threshold
-220 -200 -180 mV
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