Change UART to USB in an existing device!

New DB9-USB connectors from FTDI enable to use a USB port in devices with UART interface without necessity of a PCB redesign.

This is an archive article published 11/15/2011. Some information may no longer be up to date and in line with the current state. Please contact us in case of interest.

By simple using of new DB9 USB connectors instead of original DB9 UART connectors, you can achieve virtually immediately a USB connectivity of your existing devices. If you from any reasons don´t wish to redesign a PCB, then these connectors are ideally suitable for you. Connectors DB9 USB contain a complete USB/UART converter circuit in their bode. So far these connectors were available in the RS232 logic levels version. Novelty from company FTDI are 4 new types supporting also 3.3V and 5V logic levels - DB9-USB-D3 and DB9-USB-D5, with a USB male or female connector.

DB9 USB family now contains 6 types for all 3 the most common logic levels, in a version with Male and Female USB connector. New connectors offer the same utilization comfort like other USB products from FTDI, DB9_USB datasheet and in the AN_149 application note. Free available drivers enable to use DB9 USB connectors as a Virtual COM Port (VCP).

Change UART to USB in an existing device!
Change UART to USB in an existing device!

Advantages / Features:

  • complete USB interface in a DB9 sized connector
  • available in versions with RS232, 5V and 3.3V logic levels
  • transfer rate up to 1Mbaud(RS232) and 3Mbaud(3.3 and 5V version)
  • temperature range -40 to +85°C
  • extensive customer support from FTDI

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Additional products


DB9-USB-RS232-F (DB9-USB-F) FTDI  
DB9-USB-RS232-F (DB9-USB-F)

DSUB9 based Converter USB/RS232, Female (not offered in your region)

Development Tools

Ord. No.: 86924
Manufacturer: FTDI
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18,90 €
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16,90 €
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DB9-USB-RS232-M (DB9-USB-M) FTDI  
DB9-USB-RS232-M (DB9-USB-M)

DSUB9 based Converter USB/RS232, Male (not offered in your region)

Development Tools

Ord. No.: 87210
Manufacturer: FTDI
in stock 0 pcs
(08/12/2022: 100 pcs)
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20,70 €
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17,90 €
16,70 €
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DB9-USB-D3-F FTDI  
DB9-USB-D3-F

DSUB9 based USB/UART 3,3V Converter, Female

Development Tools

Ord. No.: 114566
Manufacturer: FTDI
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DB9-USB-D3-M FTDI  
DB9-USB-D3-M

DSUB9 based USB/UART 3,3V Converter, Male

Development Tools

Ord. No.: 114567
Manufacturer: FTDI
50 pcs+
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13,60 €
13,10 €
12,30 €
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DB9-USB-D5-F FTDI  
DB9-USB-D5-F

DSUB9 based Converter USB/UART 5V, Female

Development Tools

Ord. No.: 114565
Manufacturer: FTDI
ORDER:
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DB9-USB-D5-M FTDI  
DB9-USB-D5-M

DSUB9 based Converter USB/UART 5V, Male

Development Tools

Ord. No.: 114568
Manufacturer: FTDI
50 pcs+
100 pcs+
250 pcs+
13,60 €
13,10 €
12,30 €
ORDER:
  • ADD TO CART
  • Get Quote
  • Add to favorites
  • Add to watchdog
  • Add item to compare
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