MP2612 MPS, MP2612 Datasheet - Page 4

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

ELECTRICAL CHARACTERISTICS
V
MP2612 Rev. 0.92
11/23/2010
Parameters
Terminal Battery Voltage
CSP，BATT Current
Switch On Resistance
Switch Leakage
Peak Current Limit
CC current
Trickle charge current
Trickle charge voltage threshold
Trickle charge hysteresis
Termination current threshold
Oscillator Frequency
Fold-back Frequency
Maximum Duty Cycle
Maximum current Sense Voltage
(CSP to BATT)
Minimum On Time
Under Voltage Lockout Threshold
Rising
Under Voltage Lockout Threshold
Hysteresis
Open-drain sink current
Dead-battery indication
Termination delay
Recharge threshold at V
Recharge Hysteresis
NTC Low Temp Rising Threshold
NTC
Threshold
VIN min head-room (reverse
blocking)
IN
= 19V, T
High
A
MP2612 – 2A, 24V INPUT, 600kHz 2-3CELL SWITCHING LI-ION BATTERY CHARGER
= +25°C, CELLS=0V, unless otherwise noted.
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
Temp
(6)
BATT
Falling
I
Symbol Condition
CSP
R
Trickle
I
V
V
TRICKLE
V
CC
RECHG
DS(ON)
SENSE
f
t
I
I
BATT
SW
CC
ON
,I
BF
BATT
(6)
© 2010 MPS. All Rights Reserved.
CELLS=0V
CELLS Float
Charging disabled
RS1=100mΩ
CELLS=0V,
V
V
CELLS=0V, V
V
Stay at trickle mode
C
Time after I
C
R
Recovery Hysteresis
R
Recovery Hysteresis
V
EN
www.MonolithicPower.com
BATT
BATT
DRAIN
IN
TMR
TMR
NTC
NTC
−V
= 4V, V
=NCP18X103, 0°C
=NCP18X103, 50°C
=0.1µF
=0.1µF
BATT
=4.5V
=0V
(6)
=0.3V
SW
BF
BATT
= 0V
reached,
=5V
12.505
8.337
Min
170
5%
1.8
90
3
5
12.6
10%
10%
Typ
350
600
190
200
100
200
100
180
8.4
0.2
4.1
2.0
3.2
4.0
30
73
30
1
0
2
3
1
3
2
12.695
8.463
1000
15%
Max
230
2.2
3.4
10
VREF33
VREF33
Units
V/cell
V/cell
kHz
kHz
%of
%of
min
min
mV
mV
mV
mA
mV
mV
µA
µA
I
I
ns
%
Ω
V
A
A
A
CC
CC
V
4