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MP2618 Datasheet(PDF) 7 Page - Monolithic Power Systems

Part # MP2618
Description  2A, 24V Input, 600kHz 2-3 Cell Switching Li-Ion Battery Charger With System Power Path Management
PDF  19 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP2618 Datasheet(HTML) 7 Page - Monolithic Power Systems

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MP2618 – 2A, 24V INPUT, 600kHz 2-3CELL SWITCHING LI-ION BATTERY CHARGER
MP2618 Rev. 0.92
www.MonolithicPower.com
7
7/14/2010
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2010 MPS. All Rights Reserved.
TYPICAL PERFORMANCE CHARACTERISTICS
VIN=19V, C1=10µF, C2=4.7µF, C9=22µF, L=4.7µH, RS1=110mΩ, RS2=20mΩ, Real Battery Load,
TA=25ºC, unless otherwise noted.
2 Cells Battery Charge Curve
7.5
7.6
7.7
7.8
7.9
8
8.1
8.2
8.3
8.4
8.5
0
20
40
60
80
100 120
TIMES(MIN)
0
0.5
1
1.5
2
2.5
VBATT
IBATT
11
11.2
11.4
11.6
11.8
12
12.2
12.4
12.6
12.8
0
50
100
150
0
0.5
1
1.5
2
2.5
3 Cells Battery Charge Curve
Effciency vs. ICHG
Effciency vs. ICHG
TIMES(MIN)
VBATT
IBATT
BATTERY VOLTAGE(V)
2 Cells ICHG vs. VBATT Curve
3 Cells ICHG vs. VBATT Curve
B ATTER Y VOLTAGE(V)
BATT Float Voltage vs. VIN
8
8.1
8.2
8.3
8.4
8.5
813
18
23
28
VIN (V)
ICHG (A)
2 Cells Battery
60.0
70.0
80.0
90.0
100.0
0
0.4
0.8
1.2
1.6
2
ICHG (A)
2 Cells Battery
VIN=12V
VIN=15V
VIN=19V
VIN=24V
60.0
70.0
80.0
90.0
100.0
0
0.4
0.8
1.2
1.6
2
3 Cells Battery
VIN=15V
VIN=19V
VIN=24V
BATT Float Voltage
vs. Temperature
8
8.1
8.2
8.3
8.4
8.5
-20
0
20
40
60
80
TEMPERATURE (OC)
2 Cells Battery
TEMPERATURE (OC)
Charge Current
vs. Temperature
1.2
1.4
1.6
1.8
2
2.2
-20
0
20
40
60
80
2 Cells Battery
0
0.5
1
1.5
2
2.5
02
46
8
10
0
0.5
1
1.5
2
2.5
02468
10
12
14
VIN=19V
VIN=12V
VIN=24V
VIN=15V
VIN=19V
VIN=24V



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