ATtiny85 USB-C Tester

7 months ago

Open source license: CC-BY-SA 3.0

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Description

Simple USB-C Power Delivery Tester based on ATtiny45/85 and INA219. You can switch between different screens by pressing the SET button. Due to the internal structure of the USB-C cables, it may be necessary to change the orientation of one of the cable plugs.

Parameter Value
Voltage 5V - 20V
Current max 5A
Resolution 4mV / 1mA

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This work is licensed under Creative Commons Attribution-ShareAlike 3.0 Unported License. (http://creativecommons.org/licenses/by-sa/3.0/)

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USB-C Tester

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USB-C_Tester_v1.0a

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USB-C_Tester_v1.0b

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BOM

ID Name Designator Footprint Quantity
1 OLED 0.91 OLED I2C OLED 0.91 1
2 TS24CA RESET,SET SW-SMD_TS24CA 2
3 10k R4,R1,R3 0603 3
4 78L05 U3 SOT-89-3_L4.5-W2.5-P1.50-LS4.2-BR 1
5 ATtiny85 U1 SOIC-8_208MIL 1
6 USB-C Plug USB1 USB-C-SMD_PLUG 1
7 USB-TYPE-C-6PIN USB3,USB2 USB-C-SMD-6P 2
8 INA219 U2 SOT-23-8_L3.0-W1.7-P0.65-LS2.8-BL 1
9 100n C3,C1,C5 0603 3
10 47u C2 1206 1
11 1u C4 0603 1
12 R008 R2 2512 1

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