MP26101 datasheet(6/16 Pages) MPS

6 / 16 page

MP26101 – 2A, 24V INPUT, 1.1MHz 1- OR 2- CELL SWITCHING LI-ION BATTERY CHARGER

MP26101 Rev. 1.0

www.MonolithicPower.com

9/7/2011

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

TYPICAL PERFORMANCE CHARACTERISTICS

VIN=19V, C1=4.7μF, C2=22μF, L=4.7μH, RS1=100mΩ, Real Battery Load, TA=25°C, unless

otherwise noted.

0.5

1.5

2.5

1-Cell Battery Charge Curve

2-Cell Battery Charge Curve

TIMES(MIN)

BATTERY VOLTAGE(V)

VBATT

IBATT

0.5

1.5

2.5

0.5

1.5

2.5

BATT Float Voltage vs. VIN

VIN (V)

ICHG(A)

Efficiency vs. ICHG

2-Cell, VBATT=8.2V, CC Load

Efficiency vs. VIN

2-Cell, VBATT=7.4V, CC Load

Efficiency vs. ICHG

1-Cell, VBATT=4.1V, CC Load

NTC Control Window

0.5

1.5

2.5

812

7.2

7.4

7.6

7.8

8.4

8.2

7.0

100

150

200

024

1-cell Charge Current

vs. Battery Voltage

2-cell Charge Current

vs. Battery Voltage

Low Temp Off

High Temp Off

High Temp On

Low Temp On

100

0.4

0.8

1.2

1.6

100

0.4

0.8

1.2

1.6

VIN=12V

VIN=19V

VIN=24V

VIN=12V

VIN=24V

VIN=19V

1.0

2.0

3.0

4.0

5.0

510

1Cell Battery

VIN=19V

VIN=24V

VIN=12V

VIN=19 V

VIN=24V

VIN=12V

3.75

3.8

3.85

3.9

3.95

4.05

4.1

4.15

010

0.5

1.5

2.5

VBATT

IBATT

MP26101 Datasheet(PDF) 6 Page - Monolithic Power Systems

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