BQ24392RSER datasheet(3/22 Pages) TI1

Part #	BQ24392RSER

Description	Dual SPST USB 2.0 High Speed Switch

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Manufacturer	TI1 [Texas Instruments]

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CHG_DET

SW_OPEN

DM_HOST

DP_HOST

CHG_AL_N

GND

GOOD_BAT

DP_CON

DM_CON

VBUS

BQ24392

www.ti.com

SLIS146D – JUNE 2012 – REVISED JANUARY 2016

5 Pin Configuration and Functions

RESR

(TOP VIEW)

Pin Functions

I/O

DESCRIPTION

NO.

NAME

USB switch status indicator

Open-drain output. 10k

Ω external pull-up resistor required

1

SW_OPEN

O

SW_OPEN = LOW indicates when switch is connected

SW_OPEN = HIGH-Z indicates when then switch is not connected

2

DM_HOST

I/O

D– signal to transceiver

3

DP_HOST

I/O

D+ signal to transceiver

Charging status indicator

Open-drain output. 10k

Ω external pull-up resistor required

4

CHG_AL_N

O

CHG_AL_N = LOW indicates when charging is allowed

CHG_AL_N = HIGH-Z indicates when charging is not allowed

Battery status indication from system

5

GOOD_BAT

I

GOOD_BAT = LOW indicates a dead battery

GOOD_BAT = HIGH indicates a good battery

6

GND

-

Ground

7

DP_CON

I/O

D+ signal from USB connector

8

DM_CON

I/O

D– signal from USB connector

9

VBUS

I

Supply pin from USB connector

Charger detection indicator

Push-Pull output to system

10

CHG_DET

O

CHG_DET = LOW indicates when a charger is not detected

CHG_DET = HIGH indicates when a charger detected

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