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MP26124 Datasheet(PDF) 4 Page - Monolithic Power Systems

Part # MP26124
Description  24V Input, 2A, 600kHz, 4S Cell Switching Li-Ion Battery Charger
PDF  18 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP26124 Datasheet(HTML) 4 Page - Monolithic Power Systems

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MP26124
–24V INPUT, 2A, 600kHz, 4S SWITCHING LI-ION BATTERY CHARGER
MP26124 Rev. 1.0
www.MonolithicPower.com
4
10/10/2017
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2017 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS
VIN = 24V, TA = 25°C, unless otherwise noted.
Parameters
Symbol
Condition
Min
Typ
Max
Units
Terminal battery voltage
VBATT
16.67
16.8
16.93
V
CSP, BATT current
ICSP, IBATT
Charging disabled
1
µA
Switch on resistance
RDS(ON)
200
m
Ω
Switch leakage
EN = 4V, VSW = 0V
0
1
μA
Peak current limit
CC (5)
4.1
A
TRICKLE
2
A
CC current
ICC
RS1 =
100mΩ
1900
2100
2300
mA
Trickle charge current
ITRICKLE
10%
ICC
Trickle charge voltage
threshold
VTC
12.0
V
Trickle charge hysteresis
1400
mV
Termination current threshold
IBF
5%
10%
15%
ICC
Oscillator frequency
fSW
VBATT = 14V
600
kHz
Fold-back frequency
VBATT = 0V
190
kHz
Maximum duty cycle
90
%
Maximum current sense
voltage (CSP to BATT)
VSENSE
180
210
240
mV
Minimum on time (5)
tON
100
ns
Under-voltage lockout
threshold rising
3.05
3.25
3.45
V
Under-voltage lockout
threshold hysteresis
300
mV
Open-drain sink current
VDRAIN = 0.3V
5
mA
Dead battery indicator
In trickle mode, CTMR = 0.1
μF
30
min
Recharge threshold at VBATT
VRECHG
16.0
V
Recharge hysteresis
400
mV
NTC low-temp rising threshold
VTL
As a percentage of VREF33
64.2
65.2
66.2
%
NTC high-temp falling
threshold
VTH
As a percentage of VREF33
34
35
36
%
VIN min head room (reverse
blocking)
VIN - VBATT
250
mV



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