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Description USB251xB/USB251xBi USB 2.0 The Microchip USB251xB/USB251xBi series devices are USB 2.0 hub controllers. Each port of these devices has a MultiTRAK that includes a dedicated transaction converter (TT) ™ Technology can maintain consistent full speed data throughput regardless of the number of active downstream connections. USB251xB/USB251xBi devices are fully customizable, which helps simplify the layout of printed circuit boards. PortMap, PortSwap, and PHYBoost features all contribute to providing flexibility for these devices. All downstream ports support high-speed (480 Mbps), full speed (12 Mbps), and low-speed (1.5 Mbps) USB communication and USB battery charging (revised version 1.1). ###The hub controller IC with high performance, low power, and compact size fully complies with the USB 2.0 specification and supports USB battery charging specification revision 1.1, suitable for downstream port charging (CDP). It provides 2, 3, or 4 downstream ports MultiTRAK ™ - Each port provides a high-performance trading converter PortMap - flexible port mapping and disabled sorting PortSwap - programmable USB differential pair pin position, which can align USB signal lines directly with the connector PHYBoost - programmable USB signal driver strength for restoring signal integrity and complete power management. Each downstream port comes with independent or linked power control embedded alternatives for USB251x/USB251xA devices # # USB (Universal Serial Bus) - Microchip
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Packaging QFN-36
Delivery time
Packaging method Tray
Standard packaging quantity 1
  • Freight charges   In stock Freight rate:$13.00
  • Quantity
    Stock(4747) Minimum order quantity(5)
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Technical parameters/power supply current: 65 mA

Technical parameters/operating temperature (Max): 85 ℃

Technical parameters/operating temperature (Min): 0 ℃

Technical parameters/power supply voltage: 3V ~ 3.6V

Encapsulation parameters/installation method: Surface Mount

Package parameters/number of pins: 36

Encapsulation parameters/Encapsulation: QFN-36

External dimensions/length: 6 mm

External dimensions/width: 6 mm

External dimensions/height: 0.95 mm

External dimensions/packaging: QFN-36

Physical parameters/operating temperature: 0℃ ~ 85℃

Other/Product Lifecycle: Unknown

Other/Packaging Methods: Tray

Compliant with standards/RoHS standards: RoHS Compliant

Compliant with standards/lead standards: Lead Free

Customs information/ECCN code: EAR99

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Alternative material

Model Brand Similarity Encapsulation Introduction Data manual
USB2512B-AEZG USB2512B-AEZG Microchip 类似代替 QFN-36
MICROCHIP USB2512B-AEZG 芯片, 集线器控制器, 2端口, USB2.0, 36VQFN
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接口, USB, USB集线控制器, USB 2.0, 3 V, 3.6 V, QFN, 36 引脚
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