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5V MCU to 3.3V SPI adapter

STD5V MCU to 3.3V SPI adapter

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Public Domain

Creation time:2024-08-25 07:15:22Update time:2024-08-25 13:38:00

Description

A simple 1"×1" (25.4mm by 25.4mm) board containing a 5V to 3.3V voltage regulator (Diodes inc. AP2114HA-3.3TRG1) and a voltage level translator (Texas Instruments TXU0304PWR) suitable for SPI.  There are four mounting holes with 0.1" (2.54mm) diameter, with 0.8" (20.32mm) center-to-center distance.

 

This is intended to interface 3.3V SPI devices to 5V microcontrollers.

 

This particular version has not been tested yet, but the component values are as suggested in the datasheets.

 

Board front and back

Design Drawing

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BOM

Bom empty

Attachments

OrderFile nameDownload times
1
Gerber_5V-MCU-to-3.3V-SPI-adapter_Board_2024-08-25.zip
1
2
BOM_5V-MCU-to-3.3V-SPI-adapter_2024-08-25.csv
1
3
PickAndPlace_Board_2024-08-25.csv
1
4
BOM_5V-MCU-to-3.3V-SPI-adapter_2024-08-25.csv
1
5
PickAndPlace_Board_2024-08-25.csv
2
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