PORTS Forum

Ports and Interfaces => USB => Topic started by: trilv on December 16, 2011, 01:48:43 am

Title: solution for very low cost "usb switch for dc power 25v 4A"?
Post by: trilv on December 16, 2011, 01:48:43 am

my boss ask me to design very low cost "usb switch for dc power 25v 4A". i suggest  him use pic 18f4550 but he says no it's still expensive. he asks me keep looking. could you please recommend some low cost chip? i appreciate.

Tri.

Title: Re: solution for very low cost "usb switch for dc power 25v 4A"?
Post by: Jan Axelson on December 16, 2011, 10:13:33 am

Microchip has cheaper USB-capable chips than the 18f4550. You might also browse:

http://www.lvr.com/usbchips.htm

Of course cost should include not just the chip cost but development time and resources.

Jan

Title: Re: solution for very low cost "usb switch for dc power 25v 4A"?
Post by: trilv on December 16, 2011, 11:56:06 am

Thanks Jan.  could you please give me specific chip?
i know cost includes development times but my boss won't pay for it.

Title: Re: solution for very low cost "usb switch for dc power 25v 4A"?
Post by: Jan Axelson on December 16, 2011, 01:07:20 pm

http://www.microchip.com/stellent/idcplg?IdcService=SS_GET_PAGE&nodeId=2654

Jan

Title: Re: solution for very low cost "usb switch for dc power 25v 4A"?
Post by: trilv on December 17, 2011, 04:35:49 am

thanks Jan.

i also found this:

http://www.cisium.com/en/home/news/technology/138-the-best-usb-microcontroller.html

Tri.