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MP2625GL bảng dữ liệu(PDF) 22 Page - Monolithic Power Systems

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Giải thích chi tiết về linh kiện  2A Switching Charger with NVDC Power Path Management For Single Cell Li Battery
PDF  28 Pages
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nhà sản xuất  MPS [Monolithic Power Systems]
Trang chủ  http://www.monolithicpower.com
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MP2625GL bảng dữ liệu(HTML) 22 Page - Monolithic Power Systems

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MP2625
– SINGLE CELL SWITCHING CHARGER WITH POWER PATH CONTROL
MP2625 Rev. 1.12
www.MonolithicPower.com
22
10/29/2013
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
— MP2625 Operation Flow Chart under No Fault Condition



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