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MP2617GL bảng dữ liệu(PDF) 23 Page - Monolithic Power Systems

tên linh kiện MP2617GL
Giải thích chi tiết về linh kiện  3A Switching Charger with NVDC Power Path Management For Single Cell Li Battery
PDF  29 Pages
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nhà sản xuất  MPS [Monolithic Power Systems]
Trang chủ  http://www.monolithicpower.com
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MP2617GL bảng dữ liệu(HTML) 23 Page - Monolithic Power Systems

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MP2617 – SINGLE CELL SWITCHING CHARGER WITH POWER PATH CONTROL
MP2617 Rev. 1.03
www.MonolithicPower.com
23
8/23/2013
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2013 MPS. All Rights Reserved.
Any Limit condition
triggered?
No
Yes
VBATT>3.0V?
No
CC/CV Charge
ICHG=IBF?
Yes
Charge Full, EOC=1
TMR off,
clear the counter
DC-DC keeps work
VBATT<VRCHG?
Yes
VSYS<VBATT-40mV?
No
Yes
No
Clamp DC-DC
EAO to regulate
the part
at the limit state
Yes
Trickle Charge
ICHG=10%ICC
VBATT<3.4V?
VSYS drops down,
Charge switch
is fully on
Yes
Decrease ICHG,
Keep VSYS=3.6V
No
ICHG=0?
Yes
VSYS<VBATT-40mV?
Yes
Ideal Diode Mode:
VSYS=VBATT-65mV,
Enable discharge
current limit
VBATT>VBATT_UVLO?
Yes
VSYS>VBATT+40mV?
No
Battery switch shuts down,
DC-DC in over load
condition,
VSYS drops down
No
Charge in
CV mode and
ICHG<IBF?
No
Yes
No
No
No
Satisfy System current
Charge the battery with
remaining current
Limit condition
Removed?
Yes
No
Yes
Disable
Ideal Diode Mode
Figure 5— MP2617 Operation Flow Chart under No Fault Condition



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