MP2625 Datasheet, PDF (1/28 Pages) Monolithic Power Systems – 2A Switching Charger with NVDC Power Path Management For Single Cell Li+ Battery

MP2625
2A Switching Charger with NVDC
Power Path Management
For Single Cell Li+ Battery
DESCRIPTION
The MP2625 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 2A.
The smart power path management allows
MP2625 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 MP2625 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.
MP2625 is available in QFN 3mmx4mm
package.
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 and adhere to the RoHS directive. For MPS green
status, please visit MPS website under Products, Quality Assurance page.
“MPS” and “The Future of Analog IC Technology” are registered trademarks of
Monolithic Power Systems, Inc.
MP2625 Rev. 1.12
www.MonolithicPower.com
1
10/29/2013
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2013 MPS. All Rights Reserved.