參數(shù)資料
型號: MAX1909
廠商: Maxim Integrated Products, Inc.
英文描述: Multichemistry Battery Charger with Automatic System Power Selector
中文描述: 多種化學(xué)類型電池充電器,自動選擇系統(tǒng)電源
文件頁數(shù): 2/29頁
文件大?。?/td> 551K
代理商: MAX1909
M
Multichemistry Battery Charger with Automatic
System Power Selector
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
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 (V
SRC
+ 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 (V
LDO
+ 0.3V)
DLOV, VCTL, ICTL, MODE, CLS, LDO,
PKPRES
to GND...................................................-0.3V to +6V
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, V
DCIN
= V
CSSP
= V
CSSN
= 18V, V
BATT
= V
CSIP
= V
CSIN
= 12V, V
VCTL
= V
ICTL
= 1.8V, MODE = float, ACIN = 0, CLS =
REF, GND = PGND = 0,
PKPRES
= GND, LDO = DLOV,
T
A
= 0°C to +85°C
, unless otherwise noted. Typical values are at T
A
= +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.
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 (T
A
= +70
°
C)
28-Pin QFN (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
V
VCTL
= 3.6V (3 or 4 cells);
not including VCTL resistor tolerances
0
3.6
V
-0.8
+0.8
V
VCTL
= 3.6V/20 (3 or 4 cells); not including
VCTL resistor tolerances
-0.8
+0.8
V
VCTL
= 3.6V (3 or 4 cells); including VCTL
resistor tolerances of 1%
-1.0
+1.0
Battery Regulation Voltage
Accuracy
V
VCTL
= VLDO (3 or 4 cells, default
threshold of 4.2V/cell)
VVCTL rising
VVCTL = 3V
VDCIN = 0, VVCTL = 5V
-0.5
+0.5
%
VVCTL Default Threshold
4.1
0
0
4.3
2.5
12
V
VCTL Input Bias Current
μA
CHARGE-CURRENT REGULATION
ICTL Range
CSIP-to-CSIN Full-Scale Current-
Sense Voltage
0
3.6
V
69.37
75.00
80.63
mV
V
ICTL
= 3.6V (not including ICTL resistor
tolerances)
V
ICTL
= 3.6V x 0.5 (not including ICTL
resistor tolerances)
V
ICTL
= 0.9V (not including ICTL resistor
tolerances)
V
ICTL
= 3.6V x 0.5 (including ICTL resistor
tolerances of 1%)
V
ICTL
= VLDO (default threshold of 45mV)
V
ICTL
rising
-7.5
+7.5
-5
+5
-7.5
+7.5
-7.0
+7.0
Charge-Current Accuracy
-5
4.1
+5
4.3
%
V
ICTL
Default Threshold
4.2
V
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