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MP2637 Datasheet(PDF) 19 Page - Monolithic Power Systems

Part # MP2637
Description  2.5A Single Cell Switch Mode Battery Charger with Power Path Management (PPM) and 2.4A Boost Current with Trickle Timer
PDF  36 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP2637 Datasheet(HTML) 19 Page - Monolithic Power Systems

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MP2637 –2.5A SINGLE CELL SW MODE BATTERY CHARGER WITH PPM AND 2.4A BOOST
MP2637 Rev. 1.04
www.MonolithicPower.com
19
8/3/2017
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2017 MPS. All Rights Reserved.
OPERATION FLOW CHART (continued)
Charge Mode
/CHG Low
Charge Mode?
VBATT>VBATT_TC
VBATT>VBATT_FULL
ICHG<IBF
Battery Full
Charger “Off”,
/CHG is high
C.V.C
C.C.C
T.C.C
VBATT< VRECH ?
VBATT<VBATT_TC
VBATT_TC<VBATT<VBATT_FULL
VBATT>VBATT_FULL
No
Yes
No
Yes
Yes
No
Yes
Normal Operation
Charge Suspend,
/CHG is high
NTC OK?
TJ ≥150
oC?
TJ ≤120
oC?
Thermal
Shutdown, /CHG is
high
Fault Protection
Yes
Charge Recovery,
Return to Normal
Operation
Yes
No
Yes
No
Charge
Termination, /CHG
is high
Yes
NTC Fault?
No
Timer Out ?
No
Reset
Timer?
Yes
No
TJ ≥120
oC?
No
Decrease ICHG to
maintain TJ at 120
oC
Yes
No
Yes
No
Figure 4: Normal Operation and Fault Protection in Charge Mode



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