Data Sheet
MP2636 –3.0A SINGLE CELL SW MODE BATTERY CHARGER WITH PPM AND 3.0A BOOST
MP2636 Rev.1.01 www.MonolithicPower.com 23
9/16/2015 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2015 MPS. All Rights Reserved.
OPERATION FLOW CHART (Continued)
Normal Operation
Power Path Management
I
IN
> I
IN_LIMIT
?
I
CHG
0?
SYS Output
Current Increase
No
No
Yes
V
IN
touch the V
IN_R
?
Yes
No
No
Turn Off IN-to-SYS
MOSFET
Yes
100ms Timer
Expires?
i
IN
> 7A?
No
No
i
IN
> 125% x I
IN_LMT
?
Try to regulate i
IN
at
125% x I
IN_LMT
Yes
Fast Turn Off the
IN-to-SYS MOSFET
Softly Turn On the
IN-to-SYS MOSFET
i
IN
> 140% x I
IN_LMT
for 120us?
Yes
YES
No
Reduce the i
CHG
Yes
Figure 5: Power-path Management in Charge Mode