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All trademarks are property of their respective owners 2014-08-0001

www.pericom.com

PT0516

8/27/14

2

PI5USB2549

USB Charging Port Controller and Load Detection Power Switch

Pin Description

Pin #

Name

Type

Description

1

ILIM

I

External resistor connection used to set the current-limit threshold.

2

IN

P

Input voltage and supply voltage; connect 0.1μF//10μF or greater ceramic capacitor

from IN to GND as close to the device as possible

3

STATUS

O

Active-low open-drain output as a plug-in detect indication. It is asserted when there

is a load connected.

4

MODE_SEL

I

MODE_SEL=’HIGH’ enables Divider-2.4A charging mode. MODE_SEL=’LOW’

disables Divider-2.4A charging mode.

5

DP_IN

I/O

Connected to the D+ line of USB connector, provide the correct voltage with attached

portable equipment for DCP detection.

6

DM_IN

I/O

Connected to the D- line of USB connector, provide the correct voltage with attached

portable equipment for DCP detection.

7

OUT

P

Power-switch output

8

GND

G

Ground connection

Exposed PAD

G

Ground connection.

* I = Input; O = Output; P = Power; G = Ground

PI5USB2549 Charging Detection Supports Table

Part Number

MODE_SEL

Non- BC1.2 Charging Mode

Plug-in

Detection

DCP-1.2V

Divider-1A

Divider-2A

Divider-2.4A

PI5USB2549

LOW

√

√

√

×

√

HIGH

√

√

√

√

√