2 Channel I2C/Serial Level Shifter

1 month ago 45
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  • BOM
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Description

I2C/Serial Bi-Directional device to safely connect 5V MCUs to 3.3v Modules

If you've ever tried to connect a 3.3V device to a 5V system, you know what a challenge it can be. This 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.

  • Standalone module, no external components required
  • The level converter is very easy to use, just put in series with connection wires
  • On-board 3.3 voltage regulator, BSS138 FETs, pull-up resistors and power LED
  • 2-Bit bidirectional translator for SDA and SCL lines in mixed-mode I2C application

Documents

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2 Channel I2C Level Shifter

2 Channel I2C Level Shifter Double sided PCB

BOM

ID Name Designator Footprint Quantity Manufacturer Part Manufacturer Supplier Supplier Part Price LCSC Assembly Mounted BOM_Manufacturer Part BOM_Supplier BOM_Manufacturer BOM_Supplier Part
1 V_REG_LM1117SOT223 U1 SOT223 1
2 10u C1,C2 0805 2
3 BSS138 Q2,Q1 SOT-23-3 2 BSS138 LCSC CJ C78284
4 10k R3,R4,R1,R2 0805R 4
5 150 R5 0805R 1
6 E6C0805UG LED1 LED-0805 1 E6C0805UR LCSC LCSC C2295
7 I2C High P1 CONECTOR_4.PIN_XH2.54-4A 1
8 I2C Low P2 CONECTOR_4.PIN_XH2.54-4A 1

Attachments

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Members

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