Logic Level Converter - Bi-Directional

4 years ago 2238
  • Description
  • Documents
  • BOM
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Description

Description: If you’ve ever tried to connect a 3.3V device to a 5V system, you know what a challenge it can be. The SparkFun bi-directional logic level converter is a small device that safely steps down 5V signals to 3.3V AND steps up 3.3V to 5V at the same time. This level converter also works with 2.8V and 1.8V devices. What really separates this Logic level converter from our previous versions is that you can successfully set your high and low voltages and step up and down between them safely on the same channel. Each level converter has the capability of converting 4 pins on the high side to 4 pins on the low side with two inputs and two outputs provided for each side.

The level converter is very easy to use. The board needs to be powered from the two voltages sources (high voltage and low voltage) that your system is using. High voltage (5V for example) to the ‘HV’ pin, low voltage (3.3V for example) to ‘LV’, and ground from the system to the ‘GND’ pin.

Dimensions: 0.63 x 0.52" (16.05 x 13.33mm)

GitHub Sparkfun link:https://www.sparkfun.com/products/12009

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Documents

Logic_Level_Bidirectional SCH

Logic_Level_Bidirectional PCB

BOM

ID Name Designator Quantity
1 BSS138 Q2,Q1,Q3,Q4 4
2 10K R6,R7,R3,R4,R2,R10,R1,R5 8
3 M06 JP1,JP2 2
4 FRAME-LETTER FRAME1 1
5 FIDUCIAL JP3,JP4 2
6 SFE_LOGO_FLAME LOGO1 1
7 OSHW-LOGO LOGO2 1

Attachments

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