Technical Document
Specifications
Brand
MicrochipNumber of Transceivers
2
IC Type
Transceiver IC
Protocols Supported
USB 2.0
Power Supply Type
Single
ESD protection
Yes
Typical Single Supply Voltage
3 to 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
Country of Origin
Thailand
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
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AED 5,341.00
AED 10.90 Each (In a Tray of 490) (ex VAT)
AED 5,608.05
AED 11.445 Each (In a Tray of 490) (inc. VAT)
490
AED 5,341.00
AED 10.90 Each (In a Tray of 490) (ex VAT)
AED 5,608.05
AED 11.445 Each (In a Tray of 490) (inc. VAT)
490
Technical Document
Specifications
Brand
MicrochipNumber of Transceivers
2
IC Type
Transceiver IC
Protocols Supported
USB 2.0
Power Supply Type
Single
ESD protection
Yes
Typical Single Supply Voltage
3 to 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
Country of Origin
Thailand
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