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MP2612 数据表(PDF) 4 Page - Monolithic Power Systems

部件名 MP2612
功能描述  2A,24V Input, 600kHz 2-3 Cells Switching Li-Ion Battery Charger
PDF  20 Pages
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制造商  MPS [Monolithic Power Systems]
网页  http://www.monolithicpower.com
标志 MPS - Monolithic Power Systems

MP2612 数据表(HTML) 4 Page - Monolithic Power Systems

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MP2612 – 2A, 24V INPUT, 600kHz 2-3CELL SWITCHING LI-ION BATTERY CHARGER
MP2612 Rev. 1.0
www.MonolithicPower.com
4
9/7/2011
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2011 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS (6)
VIN = 19V, TA = +25C, CELLS=0V, unless otherwise noted.
Parameters
Symbol Condition
Min
Typ
Max
Units
Terminal Battery Voltage
VBATT
CELLS=0V
8.337
8.4
8.463
V
CELLS= VREF33
12.505
12.6
12.695
CSP，BATT Current
ICSP,IBATT Charging disabled
1
µA
Switch On Resistance
RDS(ON)
0.2
Ω
Switch Leakage
EN= 4V, VSW = 0V
0
10
μA
Peak Current Limit
CC
(6)
4.1
A
Trickle
2
A
CC current
ICC
RS1=100mΩ
1.8
2.0
2.2
A
Trickle charge current
ITRICKLE
10%
ICC
Trickle charge voltage threshold
2.8
V/cell
Trickle charge hysteresis
350
mV
Termination current threshold
IBF
5%
10%
15%
ICC
Oscillator Frequency
fSW
CELLS=0V,
VBATT =4.5V
600
kHz
Fold-back Frequency
VBATT =0V
190
kHz
Maximum Duty Cycle
90
%
Maximum
current
Sense
Voltage
(CSP to BATT)
VSENSE
170
200
230
mV
Minimum On Time
(6)
tON
CELLS=0V, VBATT =5V
100
ns
Under Voltage Lockout Threshold
Rising
3
3.2
3.4
V
Under Voltage Lockout Threshold
Hysteresis
200
mV
Open-drain sink current
VDRAIN =0.3V
5
mA
Dead-battery indication
Stay at trickle mode
CTMR=0.1μF
30
min
Termination delay
Time
after
IBF
reached,
CTMR=0.1μF
1
min
Recharge threshold at VBATT
VRECHG
4.0
V/cell
Recharge Hysteresis
100
mV
NTC Low Temp Rising Threshold
RNTC=NCP18XH103(0°C)
73
%VREF33
NTC High Temp Falling Threshold
RNTC=NCP18XH103(50°C)
30
%VREF33
VIN min head-room (reverse blocking)
VIN-VBATT
180
mV
EN Input Low Voltage
0.4
V
EN Input High Voltage
1.8
V
EN Input Current
EN=4V
4
μA
EN=0V
0.2



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