AT43301-AC Atmel, AT43301-AC Datasheet - Page 8

• Manufacturer Part Number: AT43301-AC
• Description: IC USB HUB CTRLR 4PORT 32LQFP
• Manufacturer: Atmel

Specifications of AT43301-AC

• Controller Type: USB Hub
• Interface: Serial
• Voltage - Supply: 4.4 V ~ 5.25 V
• Current - Supply: 24mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 32-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Figure 2-1.
Figure 2-2.
8
AT43301
BUS_POWER
BUS_POWER
PS5
POWER SUPPLY
Bus-powered Hub
Self-powered Hub
GND
GND
5V OUT
GND
The diagrams of
agement scheme in the self-powered mode and bus-powered mode using an integrated switch
with built-in overcurrent protection.
Figure 2-1
U1
U2
U1
U2
IN
IN
PWR
PWR
GND
GND
CTL
CTL
AT43301
SWITCH
AT43301
SWITCH
and
Figure 2-2
VCC
OVC
VCC
OVC
FLG
FLG
OUT
OUT
show examples of the power supply and power man-
PORT_POWER
PORT_POWER
PORT_POWER
PORT_POWER
PORT_POWER
PORT_POWER
PORT_POWER
PORT_POWER
GND
GND
GND
GND
GND
GND
GND
GND
TO
DOWNSTREAM
DEVICES
TO
DOWNSTREAM
DEVICES
1137J–USB–01/06