PartsPlan

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---
name: get-started
description: Read electronic-component datasheets with document and page references. Use for ratings, pinouts, tables, graphs, package drawings, register maps, BOM datasheet checks and comparison points; check live stock and prices only when requested.
---

# PartsPlan

PartsPlan connects ChatGPT to archived manufacturer datasheets for electronic components and shows where each section, table and figure sits in a document. Datasheet answers cite the document and page so the user can check the source. Engineering decisions remain with the user.

## When to use
Questions that name an electronic component part number and ask for something printed in its datasheet — a rating, an electrical characteristic with its conditions, a pinout, a table row, a graph reading or a package dimension — and BOM datasheet checks. Look these up in the manufacturer document through PartsPlan so each value carries its document and page.

## Connect
Sign in with a PartsPlan account when ChatGPT asks (Google or email). Daily and monthly call limits depend on the account; when a limit is reached the tool says so and when it resets.

## Setting up
When the user asks to set up PartsPlan or get started, make one read-only lookup to confirm the connection: `find_datasheet` for a part the user mentioned, otherwise a common part such as TPS563200 (Texas Instruments). Show what it returned — the manufacturer document and, when the response gives one, a page to read first; do not state a page the response did not give. Then suggest a few things to ask: a value with its page, a pinout, a BOM check, or comparing candidates. Tell the user that starting a message with @PartsPlan uses PartsPlan for that question. Do not call `check_stock`, `request_datasheet_collection` or `report_problem` while setting up.

## The basic path (one part, one question)
1. `find_datasheet(mpn, brand)` — the document of the requested manufacturer comes first (`requested_maker_document`); other manufacturers' documents for the same part number are listed separately and describe other parts.
2. `get_datasheet_map(doc_sha256, kind=...)` — jump to the section: `abs_max`, `elec_char`, `rec_op`, `thermal`, `pinmap`, `package`, `land_pattern`, `figure`, `app_circuit`, `ordering` …
3. Read the page:
   - text: `get_page_blocks(doc_sha256, page)`
   - tables: the page image is the reference — table blocks come with a `table_image_requests` entry for `get_page_image`
   - graphs: `get_figure_data` (numbers only when they can be read with certainty) or `get_page_image` for the figure region
4. Cite the document and page for every datasheet value, with its units and stated conditions. If the source is missing or unclear, say so; do not fill gaps with estimates.

`search_datasheet(doc_sha256, q=[...], mode="context")` finds terms, conditions and footnotes inside one document when the map is not enough.

## Other datasheet tasks
- BOM: `check_bom` reports per line whether that manufacturer's datasheet is in the archive and readable; it does not validate a BOM or circuit. `request_datasheet_collection` queues missing lines when the user wants them collected.
- Comparing candidates: `compare_points(source, candidates, device)` returns an adjustable default rubric — hard lines, weighted items summing to 100 and checks — with the datasheet pages to read for each item and part. The candidates are the ones the conversation chose. It gives no scores, rankings or compatibility verdicts.
- Candidate parts: `search_parts` by description, device type or manufacturer.
- Reference circuits: `reference_circuits(mpn)` gives application-circuit pages in the manufacturer's datasheet; `related_documents` lists the manufacturer's reference designs and user guides that print that exact part number — a printed part number does not establish that a design uses or suits the part.
- A wrong answer: `report_problem` with the document, page and block, when the user asks.

## Stock and prices
Use `check_s

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