STCC5021 datasheet(5/37 Pages) STMICROELECTRONICS

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STCC5011, STCC5021

Pin description

Table 1. Pin description

no.

Name

Type

Description

PWR

Device and USB port power supply input

2, 3

DM_OUT, DP_OUT

I/O

USB 2.0 data connection to system USB transmitter (DM = D-, DP = D+)

ATTACH_EN

Logic level control input to turn on/off the attach detector (see Table 6). It

can also disable (logic low) the 3-hour timer if started.

5EN

Logic level control input. When EN is low, power switch, data switch and

emulator are OFF.

6, 7, 8

CTL1, CTL2, CTL3

Logic level control inputs to select charger mode (see Table 5).

CHARGING/ATTACH

Active low open drain output, asserted when device attachment or

charging current is detected.

10, 11

DP_IN, DM_IN

I/O

USB 2.0 data connection to system USB connector (DM = D-, DP = D+)

OUT

PWR

USB port power supply output (VBUS)

FAULT

Active low open drain output, asserted when overcurrent,

overtemperature or reverse voltage are detected.

GND

Ground

VDD

PWR

Attach detector power supply.

VDD must always be supplied before VIN.

ILIM

Current limit threshold programming resistor terminal

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