USB251xB/xBi products are fully footprint compatible
with USB251x/xi/xA/xAi products as direct drop-in
replacements
— Cost savings include using the same PCB components
and application of USB-IF Compliance by Similarity
Full power management with individual or ganged
power control of each downstream port
Fully integrated USB termination and pull-up/pulldown resistors
Supports a single external 3.3 V supply source;
internal regulators provide 1.2 V internal core voltage
Onboard 24 MHz crystal driver or external 24 MHz
clock input
Customizable vendor ID, product ID, and device ID
4 kilovolts of HBM JESD22-A114F ESD protection
(powered and unpowered)
Supports self- or bus-powered operation
Supports the USB Battery Charging specification
Rev. 1.1 for Charging Downstream Ports (CDP)
The USB251xB/xBi offers the following package:
— 36-pin QFN (6x6 mm) RoHS compliant package
USB251xBi products support the industrial
temperature range of -40oC to +85oC
USB251xB products support the extended
commercial temperature range of 0oC to +85oC
