Add unit µA to eletric current

[Phunkafizer]

Proposed change

Type of change

• Document existing features within Home Assistant
• Document new or changing features for which there is an existing pull request elsewhere
• Spelling or grammatical corrections, or rewording for improved clarity
• Changes to the backend of this documentation
• Remove stale or deprecated documentation

Checklist

• I have read and followed the documentation guidelines.
• I have verified that my changes render correctly in the documentation.

Additional information

• This PR fixes or closes issue: fixes #
• Link to relevant existing code or pull request:
  Add unit 'µA' for the units of electric current core#166786

Summary by CodeRabbit

• Documentation
  • Updated current measurement device class documentation to include microamps (µA) as a supported unit alongside amperes and milliamperes.

[coderabbitai]

📝 Walkthrough

Walkthrough

Documentation updates to the CURRENT device class in both number and sensor entity docs, adding µA (microamps) to the list of supported units alongside existing A and mA units.

Changes

Cohort / File(s)	Summary
Current Device Class Documentation docs/core/entity/number.md, docs/core/entity/sensor.md	Added µA to the supported units list for the CURRENT device class in both number and sensor entity documentation.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title 'Add unit µA to eletric current' is directly related to the main change in the pull request, which adds microamps (µA) support to electric current documentation.
Description check	✅ Passed	The description follows the template structure with the type of change selected and a link to the related pull request provided, though the 'Proposed change' section and 'I have verified that my changes render correctly' checklist item are incomplete.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[coderabbitai]

Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents

Verify each finding against the current code and only fix it if needed.

Inline comments:
In `@docs/core/entity/number.md`:
- Line 44: The docs entry for NumberDeviceClass.CURRENT incorrectly lists the
microamp unit (µA); edit docs/core/entity/number.md to remove "µA" from the
CURRENT device class supported units (leave only "A, mA"), and search for any
other occurrences of NumberDeviceClass.CURRENT in the same file to remove µA
mentions so docs match Home Assistant Core implementation and the closed issue
status.

🪄 Autofix (Beta)

Fix all unresolved CodeRabbit comments on this PR:

• Push a commit to this branch (recommended)
• Create a new PR with the fixes

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ℹ️ Review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 2dfd1dc7-41f0-4024-9bb4-e8b5900962cc

📥 Commits

Reviewing files that changed from the base of the PR and between e36851d and 735a30f.

📒 Files selected for processing (2)

• docs/core/entity/number.md
• docs/core/entity/sensor.md

[coderabbitai]

⚠️ Potential issue | 🔴 Critical

🧩 Analysis chain

🌐 Web query:

Does Home Assistant Core support microamps (µA) as a unit for the CURRENT device class in version implemented by PR 166786?

💡 Result:

No, Home Assistant Core does not support microamps (µA) as a unit for the CURRENT device class in the version implemented by PR 166786. No such PR exists; searches returned no results for PR 166786 in the home-assistant/core repository. Official documentation lists only A and mA as supported units for current. A feature request (issue #161400) to add µA was closed as "not planned" in January 2026.

Citations:

• 1: https://www.home-assistant.io/components/sensor
• 2: add unit "µA" for sensor of deviceclass "current" core#161400
• 3: Add mA to SensorDeviceClass.CURRENT units core#84492
• 4: https://www.airwaymedical.net

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Remove µA from CURRENT device class—not supported by Home Assistant Core.

Home Assistant Core does not support microamps (µA) as a unit for the CURRENT device class. Official documentation lists only A and mA as supported units. A feature request (issue #161400) to add µA support was closed as "not planned" in January 2026.

The documentation change contradicts the actual implementation and will mislead users. Remove µA from the supported units list.

🤖 Prompt for AI Agents

Verify each finding against the current code and only fix it if needed.

In `@docs/core/entity/number.md` at line 44, The docs entry for
NumberDeviceClass.CURRENT incorrectly lists the microamp unit (µA); edit
docs/core/entity/number.md to remove "µA" from the CURRENT device class
supported units (leave only "A, mA"), and search for any other occurrences of
NumberDeviceClass.CURRENT in the same file to remove µA mentions so docs match
Home Assistant Core implementation and the closed issue status.