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评评其他的HUB(四):BELKIN 贝尔金 SMSC芯片HUB

评评其他的HUB(一)
评评其他的HUB(二)
评评其他的HUB(三):Z-TEK ZK033 usb 2.0 hub


今天从一幅图片中来分析一个贝尔金的USB HUB
图片见下:

此图中,可看出3点,见图上标识:
1.此HUB所用的电源保护方式为1.1A可恢复保险丝PPTC,没有使用电源管理芯片,也就是说,即使是贝尔金也没遵循很多网友认为的500ma最大USB口电流的规定;
2.此HUB使用SMSC usb2504 USB 2.0 HUB芯片,具体规格见网址:http://www.smsc.com/cn/main/catalog/usb2504.html ;
3.沉金板,从圈3那个亮闪闪、黄澄澄的定位点就能看出来;
综合评价:此板电路布局合理,元器件中规中矩,有大厂风范!
分析:从图中左下角的的USB口的角度分析,我们认为此HUB为贝尔金的F5U234v1

网址为:http://catalog.belkin.com/IWCatProductPage.process?Product_Id=159070#
规格:
# Offers stackable, reversible design
# Features four 480Mbps ports
# Transfers your data at up to 480Mbps
# Prevents damage to your computer and devices with over-current protection
# Installs easily with Plug-and-Play convenience
# Connect up to 2 high-speed devices without a power supply
# Installs easily with Plug-and-Play convenience
# Works seamlessly with all your USB 1.1 and USB 2.0 devices
# Supports "hot swapping" of all your USB devices
# Lets you monitor port and power status with LEDs