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Little OSMU Update (Patreon)

Published:
2020-11-19 21:45:11
Imported:
2026-06
Tags:
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Content

I made an LT1166-based power output stage. Once finished it can be operated with a few ADCs and DACs to create 4-quadrant devices.

First OSMU idea in Siglent PSU video: https://youtu.be/H-BiphMqp5g?t=260

Current clamp simulation: https://tinyurl.com/y2kkknel

KiCAD project (WIP, fixes not yet online) https://github.com/marcoreps/lt1166_bob

Files

Previews only

Little OSMU Update

I made an LT1166-based power output stage. Once finished it can be operated with a few ADCs and DACs to create 4-quadrant devices. First OSMU idea in Siglent PSU video: https://youtu.be/H-BiphMqp5g?t=260 Current clamp simulation: https://tinyurl.com/y2kkknel KiCAD project (WIP, fixes not yet online) https://github.com/marcoreps/lt1166_bob

Comments

Andrew

Twisting TO-220 legs to fit an incorrect footprint <3 I had to do that on the first "proper" PCB I designed in KiCAD and ordered from OSHPark - and somehow my first attempt at twisting the leads around each other *still* got them in the wrong order, so I had to grab a second one and do it again! 😹

Voltlog

Getting footprints for transistors wrong is something that started happening to me as well after switching to Kicad. Having that default library and the flexibility to pick any footprint for a symbol, leaves room for these easy mistakes.

nic werneck

The flipped leads on your $160 board made my day, thanks for sharing! 😄