Connection Diagram and Package Mark Information

LLP10 Package Drawing

20128202

Note: The actual physical placement of the package marking will vary from part to part. The package marking “X” is the manufacturing plant code. “YY” is a

2-digit date code, and "ZZ" for die traceability. These codes will vary considerably. "L111B” identifies the device (part number, option, etc.).

TABLE 1. LM3658 Pin Description

Pin #

Name

Description

1

CHG_IN

AC wall adapter input pin.

2

USBpwr

USB power input pin.

3

GND

Power and signal ground pin.

4

USB_sel

Pulling this pin low limits the USB charge current to 100 mA. Pulling this pin high limits the USB

charge current to 500 mA.

5

EN_b

Pulling this pin low enables the charger. Pulling this pin high disables the charger.

6

STAT2

Active low open-drain output. Indicates charger status. This pin is capable of driving an LED as well

as GPIOs. See Operation Description section for more detail.

7

STAT1

Active low open-drain output. Indicates charger status. This pin is capable of driving an LED as well

as GPIO. See Operation Description section for more detail.

8I

SET

A resistor is connected between this pin and GND. The resistor value determines the full-rate charge

current when using the AC source.

9T

S

Battery temperature sense pin. This pin must be connected to battery pack’s temperature sense

output pin. See Operation Description section for more detail.

10

BATT

Positive battery terminal connection.

TABLE 2. Ordering Information

Order Number

Package

Marking

Supplied As

LM3658SD

L111B

1000 units, Tape-and-Reel

LM3658SDX

L111B

4500 units, Tape-and-Reel

For more information on the various options, please refer to Operation Description section.

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