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MAX1501 Datasheet(PDF) 3 Page - Maxim Integrated Products

Part No. MAX1501
Description  Highly Integrated, Linear Battery Charger with Thermal Regulation for Portable Applications
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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MAX1501 Datasheet(HTML) 3 Page - Maxim Integrated Products

 
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Highly Integrated, Linear Battery Charger with
Thermal Regulation for Portable Applications
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(VIN = VINP = 5V, VBATT = 3.5V, ACOK = GLED = RLED = TEMP = TMAX = FULLI = open, CHGEN = MODE = GND, RSETI = 2.8k
Ω,
CIN = 1µF, CBATT = 10µF, TA = 0°C to +85°C, unless otherwise noted. Typical values are at TA = +25
°C.)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Precharge Current System
Accuracy
% of fast-charge current, VBATT = 2V
5
10
15
%
TEMP = GND
95
TEMP = open
115
Die Temperature Regulation
Setpoint (Note 1)
TEMP = VL
135
oC
IBATT to ISETI, precharge mode, VBATT = 2V
0.70
1
1.30
Current-Sense Amplifier Gain
IBATT to ISETI, fast-charge mode
0.95
1
1.05
mA/A
Internal Current-Sense
Resistance
84
m
Regulator Dropout Voltage
VIN - VBATT, NiMH/NiCd mode, VBATT = 4.3V,
IBATT = 425mA
190
350
mV
Logic Input Low Voltage
CHGEN, MODE, 4.5V
≤ VIN ≤ 6.25V
0.52
V
Logic Input High Voltage
CHGEN, MODE, 4.5V
≤ VIN ≤ 6.25V
1.25
V
Internal Pulldown Resistance
CHGEN, MODE
100
175
400
k
Internal Pullup Resistance
SELV
100
175
400
k
Internal Bias Resistance
FULLI, TEMP, TMAX
50
90
200
k
Internal Bias Voltage
FULLI, TEMP, TMAX
VVL/2
V
RLED Output Low Current
VRLED = 1V
7
10
18
mA
GLED Output Low Current
VGLED = 1V
14
20
34
mA
GLED, RLED Output High
Leakage Current
VGLED = VRLED = VIN = VINP = 13V
0.1
1
µA
FULLI = GND
5
10
15
FULLI = VL
15
20
25
Full-Battery Detection Current
Threshold
% of fast-charge
current
FULLI = open
25
30
35
%
SELV = VL
3.9
4.0
4.1
Li+ mode
SELV = GND
3.8
3.9
4.0
VBATT Restart Threshold
NiMH/NiCd mode
3.9
4.0
4.1
V
Charge-Timer Accuracy
-10
+10
%
TMAX = GND
3
TMAX = open
4.5
Charge-Timer Duration
TMAX = VL
6
hrs


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