MP2605 MPS, MP2605 Datasheet - Page 7

• Manufacturer Part Number: MP2605
• Description: 1A Li-Ion/Li-Polymer Battery Charger
• Manufacturer: MPS

TYPICAL PERFORMANCE CURVES
C
MP2605 Rev. 0.94
1/25/2010
0.5A/div.
IN
5V/div.
2V/div.
2V/div.
V
1000
1200
1000
I
V
CHG
= 4.7µF, C
800
600
400
200
800
600
400
200
V
BAT
SD
IN
0
0
2.7
0
Shut Down Low
V
Battery Charge Curve
Charge Current vs
Battery Voltage
IN
= 5V, I
30
3.0
SET
OUT
60
TIME (Min)
MP2605 – 28V, 1A LINEAR BATTERY CHARGER WITH TRICKLE CHARGE AND TIMER
V
3.3
4ms/div.
BAT
Resistor = 2.26K
= 2.2 µF, V
90
I
CHG
(V)
V
3.6
BAT
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
120 150 180
I
I
I
I
CHG
CHG
CHG
CHG
=0.2A
=1A
=0.8A
=0.5A
3.9
IN
4.2
= 5V, T
5
4
3
2
1
0
0.5A/div.
5V/div.
2V/div.
2V/div.
A
V
I
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1200
1000
V
1200
1000
CHG
BAT
V
= +25°C, unless otherwise noted.
800
600
400
200
SD
800
600
400
200
IN
0
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0
4.3 4.4 4.5 4.6 4.7 4.8 4.9 5.0
0
Shut Down High
V
V
Charge Current vs
Battery Voltage
I
Input Voltage
CHG
IN
BAT
V
BAT
= 5V, I
1.0
= 3.8V
I
V
I
I
CHG
I
=4V
Current vs
CHG
CHG
CHG
BAT
=0.5A
=0.8A
=0.2A
=1A
SET
=4.1V
2.0
V
4ms/div.
Resistor = 2.26K
V
BAT
IN
(V)
(V)
3.0
4.0
5.0
0.5A/div.
5V/div.
5V/div.
2V/div.
V
V
I
CHG
CHG
BAT
0.6
0.5
0.4
0.3
0.2
0.1
V
IN
0
0
1/R
I
SET
Power Ramp Up
V
IN
SET
200
= 5V, I
vs.
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SET
400
I
SET
Resistor = 2.26K
4ms/div.
(mA)
600
800
1000
7