MP2612 MPS, MP2612 Datasheet - Page 9

• Manufacturer Part Number: MP2612
• Description: 2a,24v Input, 600khz 2/3-cell Switching Li-ion Battery Charger
• Manufacturer: MPS

TYPICAL PERFORMANCE CHARACTERISTICS (
V
otherwise noted.
200mA/div.
MP2612 Rev. 0.92
11/23/2010
IN
10V/div.
10V/div.
10V/div.
10V/div.
10V/div.
5V/div.
5V/div.
2A/div.
5V/div.
5V/div.
2A/div.
V
V
V
=19V, C1=4.7
I
I
I
BATT
BATT
BATT
BATT
BATT
BATT
V
V
V
V
V
V
SW
SW
SW
EN
IN
IN
Steady State Waveform
Trickle Charge
2 Cells, V
Power On Waveform
2 Cells, I
EN Off Waveform
2 Cells, I
CHG
CHG
MP2612 – 2A, 24V INPUT, 600kHz 2-3CELL SWITCHING LI-ION BATTERY CHARGER
BATT
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
=2A,V
=2A,V
=5V
µ
F, C2=22
BATT
BATT
=8V
=8V
µ
F, L=4.7
500mA/div.
10V/div.
10V/div.
10V/div.
10V/div.
10V/div.
5V/div.
V
5V/div.
2A/div.
2V/div.
5V/div.
2A/div.
V
V
I
I
V
I
BATT
BATT
V
BATT
BATT
BATT
BATT
V
V
NTC
V
SW
V
SW
SW
IN
IN
© 2010 MPS. All Rights Reserved.
Power Off Waveform
2 Cells, I
Steady State Waveform
CC Charge
2 Cells, V
NTC Control
V
µ
BATT
H, RS1=100mΩ, Real Battery Load, T
www.MonolithicPower.com
=7.4V
CHG
BATT
=2A,V
=7.4V
2s/div.
,
BATT
=8V
continued
10V/div.
CHGOK
10V/div.
10V/div.
10V/div.
10V/div.
10V/div.
5V/div.
5V/div.
2A/div.
5V/div.
1A/div.
V
1V/div.
V
ACOK
I
V
I
BATT
BATT
V
BATT
V
BATT
V
TMR
SW
V
SW
SW
EN
IN
Timer Out
2 Cells, Real Battery, V
Steady State Waveform
CV Charge
2 Cells, V
EN On Waveform
2 Cells, I
)
CHG
BATT
=2A,V
4ms/div.
=8.4V
BATT
A
BATT
=25ºC, unless
=8V
=7.7V, C
TMR
=4.7nF
9