MP2605 MPS, MP2605 Datasheet - Page 12

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MP2605

Manufacturer Part Number
MP2605
Description
1A Li-Ion/Li-Polymer Battery Charger
Manufacturer
MPS
Datasheet

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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
MP2605 Rev. 0.94
1/25/2010
Termination
MP2605 – 28V, 1A LINEAR BATTERY CHARGER WITH TRICKLE CHARGE AND TIMER
NO
YES
NO
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
V
Before 262144
Charger “Off”
32768 Cycles
CHG
V
Battery Full
Battery Full?
BAT
Cycles?
I
After
C.V.C
CHG
LED “Off”
<2.6V?
<I
YES
NO
BF
Figure 5—Flow Chart of Operation
YES
NO
V
BAT
© 2010 MPS. All Rights Reserved.
>4.18V
Turn Off Charger
Reset TMR
V
TMR Start
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BAT
<4.0V?
YES
NO
NO
V
CHG
V
Charge Mode?
V
T
BAT
Charging
IN
J
Circuit?
Set up?
>130°C?
POR
C.C.C
Which
Figure 5 describes the conditions and operation
modes of the MP2605. CVC and CCC stand for
“constant voltage charge” and “constant current
charge”, respectively.
>V
LED “ON”
Short
>4.18V?
UVLO
2.6V<V
YES
YES
YES
NO
NO
?
BAT
YES
<4.18V
YES
NO
V
Set up
R
BAT
Soft-Off
CHG
YES
<2.6V
Trickle Charge
>2.6V?
V
BAT
NO
T
J
<120°C?
NO
YES
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12

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