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MP2604 데이터시트(PDF) 9 Page - Monolithic Power Systems

부품명 MP2604
상세설명  Single-Cell 1A Linear Li-Ion Battery Charger without Trickle Charge
PDF  10 Pages
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제조업체  MPS [Monolithic Power Systems]
홈페이지  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP2604 데이터시트(HTML) 9 Page - Monolithic Power Systems

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MP2604 – SINGLE CELL 1A LINEAR LI-ION BATTERY CHARGER W/O TRICKLE CHARGE
MP2604 Rev. 1.2
www.MonolithicPower.com
9
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 MP2604 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 MP2604. CVC and CCC stand for
“constant voltage charge” and “constant current
charge”, respectively.
Charge Mode?
VBAT>4.15V
VBAT<4.15V
TJ>120 C ?
Short
Circuit?
VBAT>4.15V?
Charge Off
VBAT>4.2V?
RBF
Set up
YES
YES
NO
NO
NO
NO
NO
VCHG LED Off
C.V.C
C.C.C
Soft Start
VUVLO<VIN<7V
POR
VIN LED Off
NO
YES
YES
YES
RCHG
Set up
NO
NO
Charging
Set up?
VBAT
Detected?
VIN LED ON
YES
VCHG LED ON
Enable?
NO
ICHG<IBF
Battery Full?
YES
TJ<110 C ?
Soft-Off
YES
YES
Figure 6—Flow Chart of Operation



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