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MP2610 Datasheet(PDF) 3 Page - Monolithic Power Systems

Part # MP2610
Description  2A, 24V Input, 1.1MHz 1/2 - 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

MP2610 Datasheet(HTML) 3 Page - Monolithic Power Systems

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MP2610 – 2A, 24V INPUT, 1.1MHz 1-2CELL SWITCHING LI-ION BATTERY CHARGER
MP2610 Rev. 0.91
www.MonolithicPower.com
3
7/13/2010
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2010 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS
VIN = 19V, TA = +25°C, CELLS=0V, unless otherwise noted.
Parameters
Symbol Condition
Min
Typ
Max
Units
CELLS=0V
4.168
4.2
4.232
Terminal Battery Voltage
VBATT
CELLS= VREF33
8.337
8.4
8.463
V
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
CC Mode
3.8
A
Peak Current Limit
Trickle Mode
1.75
A
CC current
ICC
RS1= 100mΩ
1.8
2.0
2.2
A
Trickle charge current
ITRICKLE
10%
ICC
CELLS=0V
2.8
V
Trickle
charge
voltage
threshold
CELLS=3.3V
5.6
V
Trickle charge hysteresis
350
mV
Termination current threshold
IBF
5%
10%
15%
ICC
Oscillator Frequency
fSW
CELLS=0V,
VBATT =4.5V
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
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
(
ACOK ), ( CHGOK )
VDRAIN =0.3V
5
mA
Dead-battery indication
Stay at trickle mode
30
min
Termination delay
Time after IBF reached
1
min
Recharge threshold at VBATT
VRECHG
4.0
V/cell
Recharge Hysteresis
100
mV/Cell
RNTC=NCP18XH103 (0°C)
73
NTC
Low
Temp
Rising
Threshold
Recovery Hysteresis
3
%of
VREF33
RNTC=NCP18XH103 (50°C)
30
NTC
High
Temp
Falling
Threshold
Recovery Hysteresis
2
%of
VREF33
VIN min head-room (reverse
blocking)
VIN − VBATT
180
mV



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