Power_PCB_v1.00small_MOD for Landrumower / Teensy [version 1.01]

RD123

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Clipboard01.jpg

To do:
-make scheme readable.

Changes:

Link:
Version 1.00

Version 1.01

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
NOT TESTED - - AS IS
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

-INA226 chips on main board for SMT assembly.
-Shunt resistor for 8A current.

-adding protecting circuit input as in reference note. (TIDU473)
Screenshot_2025-05-01-18-04-12-890-edit_com.google.android.apps.pdfviewer.jpg

-Version with selectable 16 - I2C addresses.

-Modyfied thickness of thermal reliefs.

-Replaced diodes for available in Lcsc stock.

-Adding more copper GND filling zones.

-Rounded PCB edges.

One more reason to not use the Polyfuse in BLDC circuit:

(...)
All right, the problem was COMPLETELY ELSEWHERE than in the driver. There is a POLYFUSE in the power chain which under noisy circumstances induced by the driver shows very unexpected behaviour. By bridging/removing the fuse the problem disappeared.
(...)
 

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