Preliminary Datasheet

LP28007

LP28007 – 02

May.-2013

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Page 2 of 11

Functional Pin Description

Package Type

Pin Configurations

EMSOP- 8

ACIN

CHG_S

PGOOD

GND

BATT

EN

NC

ISETA

1

2

3

5

6

7

8

PGND

9

4

Pin Description

Pin No

Pin Name

Pin Function

1

ACIN

Wall Adaptor Charge Input Supply.

2

CHG_S

Charge Status Indicator Output (Open Drain).

3

PGOOD

Power Good Indicator Output (Open drain).

4

GND

Ground.

5

ISETA

Wall Adaptor supply charge current Set point.

6

EN

Charge Enable Input (active low).

7

NC

No Internal Connection.

8

BATT

Battery Charge Current Output.

This pin provides charge current to the battery and

regulates the final float voltage to 4.2 or 8.4V. An internal

precision resistor divider from this pin sets the float voltage

which is disconnected in shutdown mode.

9(Exposed Pad)

PGND

Exposed Pad Should be soldered to PCB Board and

Connected to GND.

Note: LP28007-42MSF and LP28007-84MSF of Battery (Pin8) is output pin, the pin connects to Battery.