MP26101 Datasheet: 1- or 2- Cell 4.1V/Cell Switching Li-Ion Battery Charger





MP26101 1- or 2- Cell 4.1V/Cell Switching Li-Ion Battery Charger Datasheet

Part Number MP26101
Description 1- or 2- Cell 4.1V/Cell Switching Li-Ion Battery Charger
Manufacture MPS
Total Page 16 Pages
PDF Download Download MP26101 Datasheet PDF

Features: The Future of Analog IC Technology MP26 101 2A, 24V Input, 1.1MHz, 1- or 2- Cel l 4.1V/Cell Switching Li-Ion Battery Ch arger DESCRIPTION The MP26101 is a mon olithic switching charger for 1- or 2-c ell Li-Ion battery packs. It has a buil t-in internal power MOSFET, and can out put up to 2A of charge current with cur rent mode control for fast loop respons e and easy compensation. The charge cur rent can be programmed through an accur ate sense resistor. MP26101 regulates t he charge current and charge voltage us ing two control loops to realize high-a ccuracy for both constant-current charg e and constant-voltage charge. Fault co ndition protection includes cycle-by-cy cle current limiting and thermal shutdo wn. Other safety features include batte ry temperature monitoring, a charge sta tus indicator, and a programmable timer to halt the charging cycle. The MP2610 1 requires a minimal number of readily- available external components. The MP26 101 is available in 4mm×4mm 16-pin QFN package. FEATURES  Cha.

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The Future of Analog IC Technology
MP26101
2A, 24V Input, 1.1MHz, 1- or 2- Cell
4.1V/Cell Switching Li-Ion Battery Charger
DESCRIPTION
The MP26101 is a monolithic switching charger
for 1- or 2-cell Li-Ion battery packs. It has a
built-in internal power MOSFET, and can output
up to 2A of charge current with current mode
control for fast loop response and easy
compensation. The charge current can be
programmed through an accurate sense
resistor.
MP26101 regulates the charge current and
charge voltage using two control loops to
realize high-accuracy for both constant-current
charge and constant-voltage charge.
Fault condition protection includes cycle-by-cycle
current limiting and thermal shutdown. Other
safety features include battery temperature
monitoring, a charge status indicator, and a
programmable timer to halt the charging cycle.
The MP26101 requires a minimal number of
readily-available external components.
The MP26101 is available in 4mm×4mm 16-pin
QFN package.
FEATURES
Charges 1- or 2-cell Li-Ion battery packs
4.1V/Cell Charge Full Voltage
3.9V/Cell Auto-recharge Threshold
Wide 5V to 24V Operating Input Range
Up to 2A Programmable Charging Current
±0.75% VBATT Accuracy
0.2Internal Power MOSFET
Up to 90% Efficiency
Fixed 1.1MHz Frequency
Preconditioning for Fully-Depleted Batteries
Charging Status Indicator
Input Supply and Battery Fault Indicator
Thermal Shutdown
Cycle-by-Cycle Over-Current Protection
Battery Temperature Monitor and Protection
APPLICATIONS
Distributed Power Systems
Chargers for 1-Cell or 2-Cell Li-Ion Batteries
Smartphones
Portable DVD Player
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.
TYPICAL APPLICATION
MP26101 Rev. 1.0
www.MonolithicPower.com
9/7/2011
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2011 MPS. All Rights Reserved.
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