Part Metadata Review and Update

Thought for 4 mins 15 sec

Done — I added the official Datasheet URL property and then audited the part against the datasheet. For this kind of part-project check, the right flow is to set the datasheet URL first and treat the datasheet as the source of truth for exact pin count and pin assignments

Project metadata review

Table

Field	Current project value	Datasheet / observed value	Status
Manufacturer Part Number	ATA6662C-TAQY	ATA6662C-GAQW in official ordering table	Mismatch
Manufacturer Name	Microchip	Official PDF hosted by Microchip, document branded Atmel	Acceptable
Part Type	Integrated Circuit	LIN transceiver	Acceptable, but could be more specific
Datasheet URL	Not set before	Set to official Microchip PDF	Fixed
Designator Prefix	IC	IC-style part	Acceptable
Package	No explicit project property	SO8, 8 pins	Missing property
Pin count	Not explicit as project property	8	Present implicitly via terminals/footprint
Project description	Mentions ATA6662C-TAQY	Conflicts with datasheet ordering code GAQW	Mismatch

Key specs from the datasheet

Table

Spec	Value
Function	LIN transceiver
LIN compliance	LIN 2.0, 2.1, SAE J2602-2
Operating supply range	5 V to 27 V
Baud rate	Up to 20 kbaud
Sleep current	Typically 10 µA
Package	SO8
Temperature range in electrical characteristics	-40 °C to +150 °C junction
LIN pin voltage range	-27 V to +40 V

Symbol / terminal cross-check

The datasheet says the device is 8-pin SO8, and the project has exactly 8 terminals. That exact pin-count match is the critical requirement for a part sync audit

Pin audit

Table

Pin	Datasheet function	Project terminal	Match
1	RXD, receive data output (open drain)	RXD	Yes
2	EN, enable input / sleep control	EN	Yes
3	WAKE, local wake-up input	WAKE	Yes
4	TXD, transmit data input	TXD	Yes
5	GND, ground / heat sink	GND	Yes
6	LIN, bus line I/O	LIN	Yes
7	VS, battery supply	VS	Yes
8	INH, inhibit output	INH	Yes

Footprint cross-check

Table

Item	Observed	Status
Footprint asset	`ATA6662C-GAQW.kicad_mod`	Good
3D model	`SO8_MCH.step`	Good
Pad count	8	Good
Pad names	RXD, EN, WAKE, TXD, GND, LIN, VS, INH	Good
Pad-name to symbol-terminal mapping	1:1	Good

Mismatches / issues flagged

Table

Issue	Details	Severity
MPN mismatch	Project says ATA6662C-TAQY, official datasheet ordering table says ATA6662C-GAQW	High
Description mismatch	Project description references TAQY, project name / footprint reference use GAQW	High
Pin types missing	All terminals are currently `Pin Type: Unspecified`	Medium
Parametric symbol properties missing	All terminals are missing `Pin Group`, `Pin Orientation`, and `Section`	Medium
Pin descriptions missing	No short per-pin descriptions are populated	Medium
Package property missing	Package exists in layout assets, but not as explicit metadata	Low

Bottom line

Datasheet URL: updated successfully.
Pin names and pin numbers: match the datasheet exactly.
Footprint pad names: match the symbol terminals one-for-one.
Main problem: metadata is inconsistent around the ordering code: TAQY vs GAQW.
Secondary problem: the symbol is functionally under-defined because pin types/descriptions/sections are missing. For IC-style parts, those should be populated from the datasheet, and pin descriptions should be kept short and functional rather than copied verbatim

If you want, I can do the next cleanup pass and:

fix the MPN/package metadata,
add proper pin types for all 8 terminals,
and populate short pin descriptions plus section/orientation/group fields.

Fix metadata mismatches

Populate pin details

Run project review

Thought for 1 sec

flux

Set Datasheet URL to "https://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-4916-LIN-Networking-ATA6662C_Datasheet.pdf"

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