MP26121 Datasheet: 1A Li + Linear Battery Charger





MP26121 1A Li + Linear Battery Charger Datasheet

Part Number MP26121
Description 1A Li + Linear Battery Charger
Manufacture MPS
Total Page 11 Pages
PDF Download Download MP26121 Datasheet PDF

Features: The Future of Analog IC Technology DESCR IPTION The MP26121 is a linear, high-pe rformance single cell Li-Ion/Li-Polymer battery charger. By integrating high v oltage input protection into the charge r IC, the MP26121 can tolerate an input surge up to +28V. The device features constant current (CC) and constant volt age (CV) charging modes with programmab le charge currents (200mA to 1A), curre nt blocking, and trickle charge. The de vice also provides fault and charge sta tus indications to the system. For guar anteed safe operation, the MP26121 redu ces charge current when the device reac hes high temperature (due to limited PC B space). Other safety features include battery temperature monitoring and pro grammable timer to complete the chargin g cycle. The MP26121 is available in 10 -pin 3mm x 3mm QFN packages. MP26121 2 8V, 1A Li + Linear Battery Charger with 10% Battery-Full Threshold and Flexibl e NTC Interface FEATURES • Interfaces to Many NTC Resistor Values • Proprietary VIN Surge Protection u.

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The Future of Analog IC Technology
DESCRIPTION
The MP26121 is a linear, high-performance
single cell Li-Ion/Li-Polymer battery charger. By
integrating high voltage input protection into the
charger IC, the MP26121 can tolerate an input
surge up to +28V.
The device features constant current (CC) and
constant voltage (CV) charging modes with
programmable charge currents (200mA to 1A),
current blocking, and trickle charge. The device
also provides fault and charge status
indications to the system.
For guaranteed safe operation, the MP26121
reduces charge current when the device
reaches high temperature (due to limited PCB
space). Other safety features include battery
temperature monitoring and programmable
timer to complete the charging cycle.
The MP26121 is available in 10-pin 3mm x
3mm QFN packages.
MP26121
28V, 1A Li + Linear Battery Charger
with 10% Battery-Full Threshold
and Flexible NTC Interface
FEATURES
Interfaces to Many NTC Resistor Values
Proprietary VIN Surge Protection up to 28V
Programmable Charge Current up to 1A
1% Voltage Accuracy
10% Battery-Full Threshold
No Reverse Blocking Diode Required
Intelligent Thermal Management
Trickle Charge
7V Input OVP
Auto Recharge
Charge-Timer
Fault and Charge Status Indicators
APPLICATIONS
Cell Phones
Digital Cameras
Smart Phones
PDAs
MP3 Players
“MPS” and “The Future of Analog IC Technology” are Registered Trademarks of
Monolithic Power Systems, Inc.
TYPICAL APPLICATION
MP26121 Rev. 0.9
9/15/2008
www.MonolithicPower.com
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2008 MPS. All Rights Reserved.
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