USB2514B/M2

The USB251xB/xBi hub is a family of lowpower, configurable, MTT (multi transaction translator) hub controller IC products for embedded USB solutions. The x in the part number indicates the number of downstream ports available, while the B indicates battery charging support. The Microchip hub supports lowspeed, full-speed, and hi-speed (if operating as a hispeed hub) downstream devices on all of the enabled downstream ports.

USB251xB products are 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 offers the following packages: 36-pin SQFN (6x6 mm) (Preferred) 36-pin QFN (6x6 mm) (Legacy) USB251xB products support the extended commercial temperature range of 0 °C to +85 °C