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MP26101 Datasheet(PDF) 3 Page - Monolithic Power Systems

Part # MP26101
Description  2A, 24V Input, 1.1MHz, 1- or 2- Cell 4.1V/Cell Switching Li-Ion Battery Charger
PDF  16 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP26101 Datasheet(HTML) 3 Page - Monolithic Power Systems

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MP26101 – 2A, 24V INPUT, 1.1MHz 1- OR 2- CELL SWITCHING LI-ION BATTERY CHARGER
MP26101 Rev. 1.0
www.MonolithicPower.com
3
9/7/2011
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2011 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS
VIN = 19V, TA = 25°C, CELLS=0V, unless otherwise noted.
Parameters
Symbol Condition
Min
Typ
Max
Units
Terminal Battery Voltage
VBATT
CELLS=0V
4.069
4.1
4.131
V
CELLS= VREF33
8.139
8.2
8.262
CSP，BATT Current
ICSP,IBATT Charging disabled
1
µA
Switch On Resistance
RDS(ON)
0.2
Ω
Switch Leakage
EN = 4V, VSW = 0V
0
1
μA
Peak Current Limit
CC Mode
(5)
3.8
A
Trickle Mode
1.75
A
CC current
ICC
RS1= 100mΩ
1.8
2.0
2.2
A
Trickle charge current
ITRICKLE
10%
ICC
Trickle charge voltage threshold
CELLS=0V
2.87
V
CELLS=3.3V
5.74
V
Trickle charge hysteresis
350
mV/cell
Termination current threshold
IBF
5%
10%
15%
ICC
Oscillator Frequency
fSW
CELLS=0V,
VBATT =3.5V
1.1
MHz
Fold-back Frequency
VBATT =0V
350
kHz
Maximum Duty Cycle
87
%
Maximum current Sense Voltage
(CSP to BATT)
VSENSE
170
200
230
mV
Minimum On Time
(5)
tON
100
ns
Under Voltage Lockout Threshold
Rising
3
3.2
3.4
V
Under Voltage Lockout Threshold
Hysteresis
200
1000
mV
Open-drain sink current (
ACOK ),
( CHGOK )
VDRAIN =0.3V
5
mA
Dead-battery indicator
In trickle mode CTMR=0.1μF
30
min
Termination delay
Time
after
IBF
reached
CTMR=0.1μF
1
min
Recharge threshold at VBATT
VRECHG
3.9
V/cell
Recharge Hysteresis
100
mV/Cell
NTC Low Temp Rising Threshold
RNTC=NCP18XH103 (0°C)
70.5
73.5
76.5
%of
VREF33
Recovery Hysteresis
3
NTC High Temp Falling Threshold
RNTC=NCP18XH103 (50°C)
27.5
29.5
31.5
%of
VREF33
Recovery Hysteresis
2
VIN
min
head-room
(reverse
blocking)
VIN - VBATT
180
mV



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