MP2604 – SINGLE CELL 1A LINEAR LI-ION BATTERY CHARGER W/O TRICKLE CHARGE

MP2604 Rev. 1.2

www.MonolithicPower.com

9

1/25/2010

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© 2010 MPS. All Rights Reserved.

APPLICATION

Flow Chart of Operation

Power-On Reset (POR) feature can be applied

to the MP2604 to ensure that the device starts

operating in a known state. The flow chart in

Figure 5 describes the conditions and operation

modes of the MP2604. CVC and CCC stand for

“constant voltage charge” and “constant current

charge”, respectively.

Charge Mode?

Short

Circuit?

Charge Off

Set up

YES

YES

NO

NO

NO

NO

NO

C.V.C

C.C.C

Soft Start

POR

NO

YES

YES

YES

Set up

NO

NO

Charging

Set up?

Detected?

YES

Enable?

NO

Battery Full?

YES

Soft-Off

YES

YES

Figure 6—Flow Chart of Operation