MP2604 datasheet(9/10 Pages) MPS

tên linh kiện	MP2604

Giải thích chi tiết về linh kiện	Single-Cell 1A Linear Li-Ion Battery Charger without Trickle Charge

PDF	10 Pages

Scroll/Zoom	100%

nhà sản xuất	MPS [Monolithic Power Systems]

Trang chủ	http://www.monolithicpower.com

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9 / 10 page

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

MP2604 Rev. 1.2

www.MonolithicPower.com

1/25/2010

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

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?

VBAT>4.15V

VBAT<4.15V

TJ>120 C ?

Short

Circuit?

VBAT>4.15V?

Charge Off

VBAT>4.2V?

RBF

Set up

YES

VCHG LED Off

C.V.C

C.C.C

Soft Start

VUVLO<VIN<7V

POR

VIN LED Off

YES

RCHG

Set up

Charging

Set up?

VBAT

Detected?

VIN LED ON

YES

VCHG LED ON

Enable?

ICHG<IBF

Battery Full?

YES

TJ<110 C ?

Soft-Off

YES

Figure 6—Flow Chart of Operation

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