Developer Tools
Voltcanopy: Power Tree
Plan Rails, Loads & Heat
iOSfor iPhone and iPad
- $0.99 one-time purchase
- No account
- No ads or app telemetry
Screenshots
4 images · iPhone 6.7"
iPad
4 images · iPad Pro 12.9" (3rd gen)
About Voltcanopy: Power Tree
Voltcanopy is a system-level power-tree planner for embedded engineers, electronics designers, robotics teams, students, and technical reviewers. Build your source, regulators, and loads as a tree and see where every watt goes, on iPhone and iPad, fully offline.
REAL CONVERTER MATH
- Buck, boost, and buck-boost stages: input power = output power ÷ efficiency + Vin × quiescent current
- LDO and linear regulators: input current = output current + Iq, dissipation = (Vin − Vout) × Iout + Vin × Iq
- Load switches: I × R drop and I² × R dissipation
- Child rails roll up into their parents, so every conversion loss is counted once
- Voltage-headroom checks per topology (dropout for bucks and LDOs, step-up direction for boosts)
LOAD CASES AND MARGINS
- Average case from active current, duty cycle, and standby current
- Coincident-peak case for sizing regulators and the source
- Per-rail current use against your limit, with a design margin you set (80 % by default)
- Junction estimate from dissipation and θJA, with a thermal margin
- System efficiency, delivered power, total conversion loss, and source-limit use
- Battery runtime from capacity and usable share
STARTUP AND INRUSH
- Power-up sequence from parent rails, start-after dependencies, delays, and soft-start ramps
- Capacitor inrush (C × V ÷ ramp time) on every rail
- Source current step chart through startup against your source limit
- Flags loops, missing dependencies, and rails that exceed their limit while starting
PROJECTS, REPORTS, AND BACKUP
- Unlimited projects: new, duplicate, and an editable sample edge controller
- PDF report with system totals, per-rail results, loads, startup, and findings
- Rail and load tables as CSV for spreadsheets
- Full JSON backup and import (version 1 exports import too)
- Built-in guide to every method and formula
Everything included with one purchase. No subscription, account, ads, analytics, tracking, or network access.
Voltcanopy is a first-pass architecture and documentation tool. Confirm regulator limits, transient behavior, component derating, sequencing, layout, thermal paths, protection, fault response, and measurements against current datasheets and qualified engineering review.
A Shadowfetch app. Published on the App Store by Robert Corbin.