MP26058 Datasheet, PDF (1/10 Pages) Monolithic Power Systems – 28V, 1A Li Linear Battery Charger with Timer and LDO Mode

The Future of Analog IC Technology
DESCRIPTION
The MP26058 is a linear, high performance
single cell Li-Ion or Li-Polymer battery charger.
By integrating high voltage input protection into
the charger IC, the MP26058 can tolerate an
input surge up to 28V. The LDO mode makes
the MP26058 suitable for power up the system
when battery is not present.
The device features constant current (CC) and
constant voltage (CV) charging modes with
programmable charge currents (200mA to 1A),
current blocking. The other features include the
programmable battery full indication threshold
and the LDO mode operation which keeps
charging the battery after battery-full is asserted
and stay in full-state as long as the valid input is
maintained. MP26058 can provide load to the
system if no battery is connected.
For guaranteed safe operation, the MP26058
limits the die temperature to a preset value
when the device is heated up due to limited
PCB space. Other safety features are battery
temperature monitoring, and programmable
timer to prevent prolonged charging a dead
battery.
MP26058 is available in 10-pin 3mm x 3mm
DFN packages.
TYPICAL APPLICATION
3.5V - 6.5V
MP26058
28V, 1A Li + Linear Battery Charger
with Timer and LDO Mode
FEATURES
• Complete Solution for Charging Single-Cell
Lion-Ion Battery
• Input Surge Up to 28V
• Wide input operating range 2.8V – 7V
• Adapter or USB Input
• Programmable Charge Current: 200mA to 1A
• Programmable timer
• 7V Input Over Voltage Protection
• 0.75% V_BATT Accuracy over Temperature
• <1µA Battery Reverse Current
• 125µA Standby Current from V_IN
• Battery Temperature Monitoring
• Automatic die temperature limiting
• Fault and Charge Status Indicators
• Soft-Start to limit inrush current
• 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.
1
IN
2
ACOK
3 _CHG
4
TMR
5
GND
10
BATT
9
NTC
ISET ⁸
7
IBF
6
SHDN
MP26058 Rev. 0.91
www.MonolithicPower.com
1
1/25/2010
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