MP2608 Datasheet: 1A Dual Input Linear Battery Charger





MP2608 1A Dual Input Linear Battery Charger Datasheet

Part Number MP2608
Description 1A Dual Input Linear Battery Charger
Manufacture MPS
Total Page 12 Pages
PDF Download Download MP2608 Datasheet PDF

Features: The Future of Analog IC Technology DESCR IPTION The MP2608 is a dual-input, line ar, high-performance low-cost single ce ll Li-Ion or Li-Polymer battery charger . It accepts two power inputs, one from a USB (Universal BUS) port and the oth er from an AC adapter. By integrating h igh voltage input protection into the c harger IC, the MP2608 can tolerate an i nput surge up to 28V. Due to the protec tion inputs function, low-cost, large o utput tolerance adapters can be used sa fely. The device features constant curr ent (CC) and constant voltage (CV) char ging modes with programmable charge cur rents (100mA to 1.0A), current blocking and trickle charge. The charge current for adapter input can be programmed by an external resistor, while the charge current for USB input is pre-set at 45 0mA.The device also provides charge sta tus and fault indications to the system . For guaranteed safe operation, the MP 2608 folds back charge current when the device is heated up due to limited PCB space. Other safety fea.

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The Future of Analog IC Technology
DESCRIPTION
The MP2608 is a dual-input, linear,
high-performance low-cost single cell Li-Ion or
Li-Polymer battery charger. It accepts two
power inputs, one from a USB (Universal BUS)
port and the other from an AC adapter. By
integrating high voltage input protection into the
charger IC, the MP2608 can tolerate an input
surge up to 28V. Due to the protection inputs
function, low-cost, large output tolerance
adapters can be used safely.
The device features constant current (CC) and
constant voltage (CV) charging modes with
programmable charge currents (100mA to
1.0A), current blocking and trickle charge. The
charge current for adapter input can be
programmed by an external resistor, while the
charge current for USB input is pre-set at
450mA.The device also provides charge status
and fault indications to the system.
For guaranteed safe operation, the MP2608
folds back charge current when the device is
heated up due to limited PCB space. Other
safety features are including battery
temperature monitoring, and programmable
timer to complete the charging cycle.
MP2608 is available in a 10-pin 3mm x 3mm
QFN package.
MP2608
28V, 1A Dual Input
Linear Battery Charger With Timer
FEATURES
Complete Solution for Charging Single-Cell
Lion-Ion Battery
Input Surge Up to 28V
Adapter and USB Input
Programmable Charge Current: 100mA to 1.0A
Pre-set USB Charge Current: 450mA
Proprietary Constant Voltage Auto Recharge
Proprietary Over-Voltage Protection
0.75% VBATT Accuracy over Temperature
<1µA Battery Reverse Current
125µA Standby Current from VIN
Battery Temperature Monitoring
Thermal Protection
Fault and Charge Status Indicators
Internal Soft-Start
Tiny 3mm x 3mm QFN Package
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
To AC Adapter
IN BATT
To USB
USB
C2
C1
SHDN
MP2608
ICHG
IBF
FAULT
STATUS
R1 R4
TMR
C3
GND
To System
R2
R3
D2 C4
D1
MP2608 Rev. 0.9
8/29/2008
www.MonolithicPower.com
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2008 MPS. All Rights Reserved.
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