How to check AI-selected electronic components

Build a constraint table

Separate mandatory limits from preferences. Include input range, output demand, accuracy, temperature, package, interface and any relevant transient conditions. Evaluate the conditions together: a rating at one operating point may not apply at the point your design actually uses.

Verify the full orderable number

Check suffixes for package, voltage option, tolerance and temperature grade. Read the manufacturer's current datasheet and product status. If the task includes availability or price, save the distributor, quantity and observation date rather than treating them as permanent properties.

Record assumptions and alternatives

State which requirements are established by evidence and which remain uncertain. Keep equivalent candidates separate from a promised drop-in replacement. A substitute can meet electrical requirements while changing pinout, stability requirements or the assembly package.

Practical checklist

1. List hard constraints.
2. Resolve the full orderable part number.
3. Check the relevant operating point.
4. Record dated stock and price evidence.
5. Review consequences of a substitution.

A concrete example

Select a low-quiescent-current regulator for a battery product.

Evidence to accept

The exact variant meets dropout, load and current requirements across the stated supply range.

Evidence that is insufficient

A family-level headline specification is used without checking the selected package or test conditions.

Common questions

Primary references and further reading

Use the matching device documentation and project configuration when applying this checklist. These references explain the underlying tools and evaluation approaches.

• KiCad schematic editor documentation
• PCBSchemaGen: structured schematic verification