USB 2.0 Controller 2-Port 3.3V SQFN-36

  • RS Stock No. 168-3992
  • Mfr. Part No. USB2512B-I/M2
  • Manufacturer Microchip
Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
COO (Country of Origin): TH
Product Details

USB251xB/USB251xBi USB 2.0 Hub Controllers

The Microchip USB251xB/USB251xBi family of devices are USB 2.0 Hub Controllers. These devices feature MultiTRAK™ technology that incorporates a dedicated Transaction Translator (TT) per port to maintain consistent Full-Speed data throughput regardless of the number of active downstream connections.

USB251xB/USB251xBi devices are fully customisable, helping to simplify PCB layout. PortMap, PortSwap and PHYBoost features all contribute to the flexibility of these devices.

Hi-Speed (480 Mbps), Full-Speed (12 Mbps) and Low-Speed (1.5 Mbps) USB communications and USB Battery Charging (Rev. 1.1) are supported on all downstream ports.

Features

High performance, low-power, small footprint Hub Controller IC
Fully compliant with the USB 2.0 Specification
Supports the USB Battery Charging specification Rev. 1.1 for Charging Downstream Ports (CDP)
Available with 2, 3 or 4 downstream ports
MultiTRAK™ - Provides one high-performance transaction translator per port
PortMap – Flexible port mapping and disable sequencing
PortSwap – Programmable USB differential-pair pin locations to align USB signal lines directly to connectors
PHYBoost - Programmable USB signal drive strength for recovering signal integrity
Full power management with individual or ganged power control of each downstream port
Drop-in replacement for USB251x/USB251xA devices

USB (Universal Serial Bus) - Microchip

Specifications
Attribute Value
Number of Transceivers 2
Protocols Supported USB 2.0
Power Supply Type Single
ESD Protection Yes
Typical Single Supply Voltage 3 → 3.6 V
Mounting Type Surface Mount
Package Type SQFN
Pin Count 36
Dimensions 6 x 6 x 0.9mm
Height 0.9mm
Length 6mm
Maximum Operating Temperature +85 °C
Width 6.1mm
Minimum Operating Temperature -40 °C
490 In stock for delivery within 3 working days
Price Each (In a Tray of 490)
SGD 3.702
(exc. GST)
SGD 3.961
(inc. GST)
units
Per unit
Per Tray*
490 +
SGD3.702
SGD1,813.98
*price indicative
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