MP2617H Datasheet: Switching Charger





MP2617H Switching Charger Datasheet

Part Number MP2617H
Description Switching Charger
Manufacture MPS
Total Page 30 Pages
PDF Download Download MP2617H Datasheet PDF

Features: MP2617H Wide input Voltage, 3A, Switchi ng Charger With NVDC Power Path Manage ment The Future of Analog IC Technolog y For Single Cell Li+ Battery DESCRIP TION The MP2617H is a monolithic, switc h-mode, battery charger with power path management for single-cell Li-ion batt eries in a wide range of tablets and ot her portable devices. The MP2617H integ rates a synchronous buck regulator that provides regulated voltage to power th e system output and charge the battery simultaneously. The MP2617H supports bo th USB and high-power DC adapter inputs . In USB mode, the input current limit can be programmed to 450mA or 825mA via the logic pins to cover USB2.0 and USB 3.0 specifications. When the adapter in put is present, the input current can a lso be limited to avoid overloading the DC adapter. The input current limit ca n be programmed up to 3A. Smart power p ath management allows the MP2617H to re gulate the system voltage for powering an external load and charging the battery independently and sim.

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MP2617H
Wide input Voltage, 3A, Switching Charger
With NVDC Power Path Management
The Future of Analog IC Technology
For Single Cell Li+ Battery
DESCRIPTION
The MP2617H is a monolithic, switch-mode,
battery charger with power path management
for single-cell Li-ion batteries in a wide range of
tablets and other portable devices. The
MP2617H integrates a synchronous buck
regulator that provides regulated voltage to
power the system output and charge the battery
simultaneously. The MP2617H supports both
USB and high-power DC adapter inputs. In
USB mode, the input current limit can be
programmed to 450mA or 825mA via the logic
pins to cover USB2.0 and USB3.0
specifications. When the adapter input is
present, the input current can also be limited to
avoid overloading the DC adapter. The input
current limit can be programmed up to 3A.
Smart power path management allows the
MP2617H to regulate the system voltage for
powering an external load and charging the
battery independently and simultaneously. This
allows for immediate system operation, even
under missing or deeply discharged battery
conditions. When the input current limit is
reached, the system load is satisfied first, and
then the charger uses the remaining current to
charge the battery. Additionally, the smart
power path control allows for an internal
connection from the battery to the system 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 MP2617H features high integration with all
power switches integrated internally. No
external MOSFET, blocking diode, or current
sense resistor is required.
Two status monitor output pins are provided to
indicate the battery’s charge status and power
source status. Other features include trickle
charge, battery temperature monitoring, and
timer and thermal limiting regulation on the chip.
The MP2617H is available in a QFN-20
(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 Foldback
1.6MHz Switching Frequency
Programmable Input Current Limit
Programmable Charge Current
Single Input for USB and AC Adapter
Covers USB2.0 and USB3.0 Input
Specifications
Fully Integrated Power Switches
No External Blocking Diode or Sense
Resistor Required
Charging Operation Indicator
Built-In Programmable Charging Timer
Thermal Limiting Regulation on Chip
Battery Temperature Monitor
Available in a QFN-20 (3mmx4mm)
Package
APPLICATIONS
Smartphones
E-Books
GPS
Portable Media Players
Portable Handheld Solutions
Tablet PCs
All MPS parts are lead-free, halogen-free, and adhere to the RoHS directive.
For MPS green status, please visit the MPS website under Quality
Assurance. “MPS” and “The Future of Analog IC Technology” are registered
trademarks of Monolithic Power Systems, Inc.
MP2617H Rev. 1.03
www.MonolithicPower.com
2/28/2019
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2019 MPS. All Rights Reserved.
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