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MP2605 Datasheet(PDF) 12 Page - Monolithic Power Systems

Part # MP2605
Description  28V, 1A Li-Ion/Li-Polymer Battery Charger with Trickle Charge and Timer
PDF  13 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP2605 Datasheet(HTML) 12 Page - Monolithic Power Systems

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MP2605 – 28V, 1A LINEAR BATTERY CHARGER WITH TRICKLE CHARGE AND TIMER
MP2605 Rev. 0.94
www.MonolithicPower.com
12
1/25/2010
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2010 MPS. All Rights Reserved.
APPLICATION
Flow Chart of Operation
Power-On Reset (POR) feature can be applied to
the MP2605 to ensure that the device starts
operating in a known state. The flow chart in
Figure 5 describes the conditions and operation
modes of the MP2605. CVC and CCC stand for
“constant voltage charge” and “constant current
charge”, respectively.
VIN>VUVLO?
POR
NO
YES
YES
Which
Charge Mode?
VBAT
>2.6V?
VBAT>4.18V
VBAT<2.6V
YES
2.6V<VBAT<4.18V
TJ>130°C?
Short
Circuit?
VBAT>4.18V?
ICHG<IBF
Battery Full?
YES
YES
YES
YES
NO
NO
NO
RCHG
Set up
NO
NO
NO
Charging
Set up?
TMR Start
YES
VCHG LED “ON”
Trickle Charge
NO
VCHG LED “Off”
Charger “Off”
C.V.C
C.C.C
YES
YES
Soft-Off
TJ<120°C?
YES
After
32768 Cycles
VBAT<2.6V?
Battery Full
Before 262144
Cycles?
Reset TMR
Turn Off Charger
NO
VBAT<4.0V?
NO
NO
Termination
Figure 5—Flow Chart of Operation



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