MP2612 MPS, MP2612 Datasheet - Page 16

• Manufacturer Part Number: MP2612
• Description: 2a,24v Input, 600khz 2/3-cell Switching Li-ion Battery Charger
• Manufacturer: MPS

OPERATION FLOW CHART
MP2612 Rev. 0.92
11/23/2010
Normal Operation
No
No
CHGOK is high
Termination,
Timer Out ?
Figure 7— Power Path Management Operation and Fault Protection Flow Chart
V
Charge
CHGOK is high
BATT
Charger “Off”,
V
Yes
Battery Full?
BATT_RECHG
I
C.V.C
V
>V
CHG
MP2612 – 2A, 24V INPUT, 600kHz 2-3CELL SWITCHING LI-ION BATTERY CHARGER
Yes
BATT
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
BATT_FULL
<I
<
BF
?
No
Yes
Charger Recovery,
Return to Normal
Charge Suspend,
V
CHGOK is high
BATT_TC
NTC Fault?
Operation
NTC OK?
CHGOK is low
Charger “On”,
V
Charge Mode?
Yes
Yes
BATT
<V
C.C.C
>V
BATT
Yes
BATT_FULL
<V
BATT_FULL
No
(continued)
No
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Fault Protection
No
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Thermal Shutdown,
CHGOK is high
Charge Current
Tj>=150
Tj<=130
V
V
BATT
Yes
BATT
Yes
T.C.C
Yes
>V
<V
o
o
C?
C?
BATT_TC
BATT_TC
No
No
No
Power Path Management
No
No
I
No charge current
Current Increase
SYS
I
Charge Current
Charge Current
SYS
SYS Output
Decrease
out of control
+I
<0 ?
Yes
CHG
Yes
>I
limit
?
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