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MAX1909 Datasheet(PDF) 2 Page - Maxim Integrated Products

Part No. MAX1909
Description  Multichemistry Battery Charger with Automatic System Power Selector
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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MAX1909 Datasheet(HTML) 2 Page - Maxim Integrated Products

 
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Multichemistry Battery Chargers with Automatic
System Power Selector
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, VDCIN = VCSSP = VCSSN = 18V, VBATT = VCSIP = VCSIN = 12V, VVCTL = VICTL = 1.8V, MODE = float, ACIN = 0, CLS =
REF, GND = PGND = 0, PKPRES = GND, LDO = DLOV, TA = 0°C to +85°C, unless otherwise noted. Typical values are at TA = +25°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.
DCIN, CSSP, CSSN, SRC, ACOK to GND..............-0.3V to +30V
DHIV ........................................................…SRC + 0.3, SRC - 6V
DHI, PDL, PDS to GND ...............................-0.3V to (VSRC + 0.3)
BATT, CSIP, CSIN to GND .....................................-0.3V to +20V
CSIP to CSIN or CSSP to CSSN or PGND to GND ...-0.3V to +0.3V
CCI, CCS, CCV, DLO, IINP, REF,
ACIN to GND ........................................-0.3V to (VLDO + 0.3V)
DLOV, VCTL, ICTL, MODE, CLS, LDO,
PKPRES to GND ...................................................-0.3V to +6V
DLOV to LDO.........................................................-0.3V to +0.3V
DLO to PGND ..........................................-0.3V to (DLOV + 0.3V)
LDO Short-Circuit Current...................................................50mA
Continuous Power Dissipation (TA = +70°C)
28-Pin TQFN (derate 20.8mW/°C above +70°C) .......1666mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-60°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
CHARGE VOLTAGE REGULATION
VCTL Range
0
3.6
V
VVCTL = 3.6V (3 or 4 cells);
not including VCTL resistor tolerances
-0.8
+0.8
VVCTL = 3.6V/20 (3 or 4 cells); not including
VCTL resistor tolerances
-0.8
+0.8
VVCTL = 3.6V (3 or 4 cells); including VCTL
resistor tolerances of 1%
-1.0
+1.0
Battery Regulation Voltage
Accuracy
VVCTL = VLDO (3 or 4 cells, default
threshold of 4.2V/cell)
-0.5
+0.5
%
VVCTL Default Threshold
VVCTL rising
4.1
4.3
V
VVCTL = 3V
0
2.5
VCTL Input Bias Current
VDCIN = 0, VVCTL = 5V
0
12
µA
CHARGE-CURRENT REGULATION
MAX1909
0
3.6
ICTL Range
MAX8725
0
3.2
V
CSIP-to-CSIN Full-Scale Current-
Sense Voltage
69.37
75.00
80.63
mV
MAX1909: VICTL = 3.6V (not including ICTL
resistor tolerances)
-7.5
+7.5
MAX8725: VICTL = 3.2V (not including ICTL
resistor tolerances)
-5
+5
MAX1909: VICTL = 3.6V x 0.5, MAX8725:
VICTL = 3.2V x 0.5 (not including ICTL
resistor tolerances)
-5
+5
MAX1909: VICTL = 0.9V (not including ICTL
resistor tolerances)
-7.5
+7.5
Charge-Current Accuracy
MAX8725: VICTL = 0.18V (not including
ICTL resistor tolerances)
-30
+30
%


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