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PDF MP2617 Data sheet ( Hoja de datos )
| Número de pieza | MP2617 | |
| Descripción | 3A Switching Charger | |
| Fabricantes | MPS | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MP2617 (archivo pdf) en la parte inferior de esta página. Total 29 Páginas | ||
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The Future of Analog IC Technology
DESCRIPTION
The MP2617 is a monolithic switch mode
battery charger with power path management
for single-cell Li-ion batteries in a wide range of
tablet and other portable devices. It integrates a
synchronous BUCK regulator to provide
regulated voltage for powering the system
output and at the same time charging the
battery. This device supports both USB and
high power DC adapter input. In USB mode, the
input current limit can be programmed to
450mA or 825mA via the logic pins to cover the
USB2.0 and USB3.0 specifications. When the
adapter input is present, the input current can
also be limited in order to avoid overloading of
the DC adapter. Input current limit can be
programmed up to 3A.
The smart power path management allows
MP2617 to regulate the system voltage for
powering an external load and charging the
battery independently and simultaneously. This
allows immediate system operation even under
missing or deeply discharged battery. When the
input current limit is reached, the system load is
satisfied in priority, then the charger will take
the remaining current to charge the battery.
Additionally, the smart power path control
allows an internal connection from battery to the
system in order to supplement additional power
to the load in the event the system power
demand increases over the input limited power
or the input is removed.
The MP2617 features high integration with all
the power switches included inside. No external
MOSFET, blocking diodes, or current sense
resistor is required.
Two status monitor output pins are provided to
indicate the battery charge status and power
source status. Other features include trickle
charge, battery temperature monitoring, timer
and thermal limiting regulation on chip.
MP2617 is available in QFN 3mmx4mm
package.
MP2617
3A Switching Charger with NVDC
Power Path Management
For Single Cell Li+ Battery
FEATURES
4V to 14V Operating Input Voltage
Smart Power Path Management
Five Control Loops: Input Current Limit,
Input Voltage Limit, Constant Charge
Current, Terminal Battery Control and
Thermal Fold-Back.
1.6MHz Switching Frequency
Programmable Input Current Limit
Programmable Charge Current
Single Input for USB and AC adapter
Cover USB2.0 and USB3.0 Input
Specification
Fully Integrated Power Switches
No External Blocking Diode and Sense
Resistor Required
Charging Operation Indicator
Built-in Programmable Charging Timer
Thermal Limiting Regulation on Chip
Battery Temperature Monitor
Tiny Package Features Small Size.
APPLICATIONS
Smart Phone
E-Book
GPS
Portable Media Player
Portable Hand-held Solution
Tablet PC
All MPS parts are lead-free, halogen free, and adhere to the RoHS
directive. For MPS green status, please visit MPS website under Quality
Assurance.
“MPS” and “The Future of Analog IC Technology” are Registered
Trademarks of Monolithic Power Systems, Inc.
MP2617 Rev. 1.04
7/23/2015
www.MonolithicPower.com
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2015 MPS. All Rights Reserved.
1
1 page  
MP2617 – SINGLE CELL SWITCHING CHARGER WITH POWER PATH CONTROL
ELECTRICAL CHARACTERISTICS (continued)
VIN = 5.0V, TA = 25C, unless otherwise noted.
Parameters
Symbol Condition
BATT to SYS Resistance
BATT to SYS Current Limit
VIN=0V, ISYS=200mA,
VBATT=4.2V
VSYS>VBATT–800mV
SYS short
Battery Charger
Terminal Battery Voltage
VBATT
VBATT>VRECH, ICHG≤IBF,
SYSFB float
VSYS<4.2V Programmed
by SYSFB Pin
Recharge Threshold at VBATT
VRECH
SYSFB Float
SYSFB programmed
Recharge Hysteresis
Trickle Charge Threshold
Trickle Charger Hysteresis
Trickle Charge Current
Termination Charger Current
ITRICKLE
IBF
IBF Maximum Limit
Constant Current Mode Charge
Current
ISET Reference Voltage
RISET=760
ICC RISET=1.53k
RISET=4.6k
Battery UVLO
Rising
Falling
Idea Diode Regulation Voltage
BATT Leakage Current
__________ _____________
ACOK, CHGOK
__________ _____________
ACOK, CHGOK Pin Output Low
Voltage
__________ _____________
ACOK,CHGOKPin Leakage Current
Timer
Trickle Charge Time
Total Charge Time
VSYS
IBATT
Supplement Mode
VBATT=4.2V, SYS float,
VIN=PGND
Sinking 5mA
Connected to 3.3V
CTMR=0.1µF, ICHG=1A
CTMR=0.1µF, ICHG=1A
Min Typ Max Units
0.04 0.05
Ω
2.6 3.3
200
4A
mA
4.168 4.2
4.232
3.9
3.85
2.9
5%
VSYS-
0.04 x IBF
4.0
3.95
85
3
200
10%
10%
150
2.475 2.75
1.26
1.4
0.405 0.450
1.1 1.15
2.4 2.6
2.2 2.4
VBATT-
65mV
4.1
4.05
3.1
15%
200
3.025
1.54
0.495
1.2
2.8
2.6
20 30
V
V
V
V
mV
V
mV
ICC
ICC
mA
A
A
A
V
V
V
mV
µA
270 350 mV
0.1 0.5 uA
45 Min
6.5 Hour
MP2617 Rev. 1.04
7/23/2015
www.MonolithicPower.com
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2015 MPS. All Rights Reserved.
5
5 Page 
MP2617 – SINGLE CELL SWITCHING CHARGER WITH POWER PATH CONTROL
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
VIN = 5.0V, VBATT = Full Range, Default Mode, IIN Limit=2A, VSYS=4.4V, R6 and R7 are float, ICHG=2A,
L = 1.2 µH, TA = +25ºC, unless otherwise noted.
MP2617 Rev. 1.04
7/23/2015
www.MonolithicPower.com
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2015 MPS. All Rights Reserved.
11
11 Page | ||
| Páginas | Total 29 Páginas | |
| PDF Descargar | [ Datasheet MP2617.PDF ] | |
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