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Kai Chappell 950639288c

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2025-04-03 21:20:13 +00:00

Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[Unreleased]

Streamlit dashboard for interactive physics visualisation
Real-time temperature charts (chamber, case, junction)
Current state metrics display (voltages, currents, power, temperatures)
Interactive controls in sidebar:
- Temperature setpoint slider (-40°C to 125°C)
- Input voltage slider (0-12V)
- Load current slider (0-500mA)
- Output enable toggle
- Start/Stop/Reset simulation buttons
Self-heating demonstration panel with:
- Junction-case and case-ambient temperature rise display
- Power dissipation chart
- Thermal coupling explanation

Physics engine with thermal-electrical coupling
First-order thermal response calculations for chamber and case
Junction temperature calculation via thermal resistance (θ_jc)
Self-heating effects from power dissipation
LDO DUT model with temperature-dependent behaviour
- Output voltage temperature coefficient (ppm/°C)
- Quiescent current temperature coefficient
- Dropout voltage temperature dependence
- Power dissipation calculation
Comprehensive physics engine test suite (13 tests)

Initial project scaffolding
pyproject.toml with core dependencies
Package directory structure with all subpackages
Development tooling configuration (ruff, mypy, pytest)
CLI entry point with version command
Project documentation (requirements, technical specification, architecture decisions)
Development plan with vertical slice approach
CI/CD pipeline configuration