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XR22404

Exar
Part Number XR22404
Manufacturer Exar
Description USB 2.0 4-Port Hub
Published Sep 1, 2018
Detailed Description XR22404 USB 2.0 4-Port Hub Description The XR22404 is a USB 2.0 4-port hub with a Single Transaction Translator (STT). ...
Datasheet PDF File XR22404 PDF File

XR22404
XR22404


Overview
XR22404 USB 2.
0 4-Port Hub Description The XR22404 is a USB 2.
0 4-port hub with a Single Transaction Translator (STT).
It may be configured for downstream device charging and is compatible with Battery Charging specification revision 1.
1/1.
2.
The upstream USB interface has an integrated USB 2.
0 PHY and device controller that is compliant with both hi-speed (480Mbps) and full-speed (12Mbps) and downstream PHY supporting hi-speed, fullspeed and low-speed (1.
5Mbps) on each of the 4 downstream ports.
The XR22404 provides ganged power control and global overcurrent sensing for the downstream ports.
The XR22404 may be operated from either 5V or 3.
3V.
If powered from 5V internal regulators provide 3.
3V and 1.
8V used internally by the device.
Port activity and overall hub activity indicators provide status outputs for external LEDs.
An external I2C EEPROM may be used with the XR22404 to configure USB device descriptors.
FEATURES ■■ USB 2.
0 compliant interface ■■ Compatible with Batte...


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