AT43301 View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

AT43301

Low-cost USB Hub Controller

Atmel Corporation 

The diagrams of Figure 2-1 and Figure 2-2 show examples of the power supply and power man-

agement scheme in the self-powered mode and bus-powered mode using an integrated switch

with built-in overcurrent protection.

Figure 2-1. Bus-powered Hub

BUS_POWER

GND

U1

GND

VCC

AT43301

PWR

OVC

U2

CTL

FLG

IN

OUT

SWITCH

PORT_POWER

GND

PORT_POWER

GND

PORT_POWER

GND

PORT_POWER

GND

TO

DOWNSTREAM

DEVICES

Figure 2-2. Self-powered Hub

BUS_POWER

GND

PS5

POWER SUPPLY

5V OUT

GND

U1

GND

VCC

AT43301

PWR

OVC

U2

CTL

FLG

IN

OUT

SWITCH

PORT_POWER

GND

PORT_POWER

GND

PORT_POWER

GND

PORT_POWER

GND

TO

DOWNSTREAM

DEVICES

8 AT43301

1137J–USB–01/06

Share Link: