USB251XBI中文資料微芯科技數(shù)據(jù)手冊PDF規(guī)格書
USB251XBI規(guī)格書詳情
General Description
The Microchip 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.
Features
? 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 packages:
- 36-pin SQFN (6x6 mm) (Preferred)
- 36-pin QFN (6x6 mm) (Legacy)
? USB251xBi products support the industrial temperature
range of -40oC to +85oC
? USB251xB products support the extended commercial
temperature range of 0oC to +85oC
Applications
? LCD monitors and TVs
? Multi-function USB peripherals
? PC motherboards
? Set-top boxes, DVD players, DVR/PVR
? Printers and scanners
? PC media drive bay
? Portable hub boxes
? Mobile PC docking
? Embedded systems
供應商 | 型號 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價格 |
---|---|---|---|---|---|---|---|
Microchip |
23+ |
56QFN |
10000 |
原廠原裝正品現(xiàn)貨 |
詢價 | ||
SMSC |
21+ |
QFN |
35200 |
一級代理/放心采購 |
詢價 | ||
MICROCHIP/?о |
21+ |
QFN |
10000 |
只做原裝,質(zhì)量保證 |
詢價 | ||
SMSC |
24+ |
56-QFN |
4604 |
詢價 | |||
MICROCHIP/?о |
23+ |
QFN |
30000 |
原裝正品公司現(xiàn)貨,假一賠十! |
詢價 | ||
MICROCHIP/微芯 |
24+ |
QFN56 |
29817 |
原裝現(xiàn)貨假一賠十 |
詢價 | ||
SMSC |
24+ |
QFN |
25500 |
授權(quán)代理直銷,原廠原裝現(xiàn)貨,假一罰十,特價銷售 |
詢價 | ||
SMSC |
22+ |
QFN |
9600 |
原裝現(xiàn)貨,優(yōu)勢供應,支持實單! |
詢價 | ||
SMSC |
16+ |
QFN |
2500 |
進口原裝現(xiàn)貨/價格優(yōu)勢! |
詢價 | ||
MICROCHIP/微芯 |
23+ |
56-VFQFN |
35200 |
只做原裝主打品牌QQ詢價有詢必回 |
詢價 |