Part Metadata Review and Update

3:17

Inspecting uploaded files.

Gathering project information.

Running multiple web searches.

Analyzing the PCB layout.

Analyzing the schematic.

Found 10 results.

Found 2 results.

Looking through a file.

Looking for "Extract the exact part number, manufacturer name, package information, dimensions, and a concise functional description for the BC660K-GL hardware design document." in xkDIrvPXEAjlmsZJFE4KzSPgwJo.pdf

Looking for "Extract the complete pin table for BC660K-GL with pin numbers, pin names, and pin descriptions/functions. Include no-connect/reserved pins and any ground or power pins." in xkDIrvPXEAjlmsZJFE4KzSPgwJo.pdf

Looking for "What are the key electrical and RF specs for BC660K-GL: supply voltage, IO voltage behavior, supported radio bands, power class, temperature range, and package size?" in xkDIrvPXEAjlmsZJFE4KzSPgwJo.pdf

Searching the project (3 questions).

Searching 2 domains.

Searching for PCB footprint.

Searching 3 domains.

Searching properties.

Summarizing project properties.

Clarifying search parameters.

Searching components.

Searching for pad count.

Searching 3 domains.

Determining style type.

Searching 3 domains.

Searching 2 domains.

Fetching package details.

Searching fetch_url.

Looking for "package type for BC660KGLAA-I03-SNASA, pin count, whether it is LGA/LCC style SMT module" in xkDIrvPXEAjlmsZJFE4KzSPgwJo.pdf

Analyzing search results.

Clarifying footprint details.

Search complete — 989 results across 6 domains.

Reviewing module specifications.

Examining datasheet inconsistencies.

Considering pin count actions.

I reviewed the part project against the official Quectel hardware design document and used the datasheet as the comparison source, which is the right way to verify part metadata and terminal definitions in a part project

What I updated

I found an official Quectel-hosted hardware design PDF and set the project's Datasheet URL to:
- https://forums.quectel.com/uploads/short-url/xkDIrvPXEAjlmsZJFE4KzSPgwJo.pdf

Key specs from the datasheet

Part: BC660K-GL
Manufacturer: Quectel Wireless Solutions Co., Ltd.
Type: NB-IoT / LTE Cat NB2 module
Package: SMD module, LCC/LGA style
Size: 17.7 mm × 15.8 mm × 2.0 mm
Pin count: 58
Supply voltage (VBAT): 2.2 V to 4.3 V, 3.3 V typical
VDD_EXT behavior: 1.8 V default, or about 3.1 V to 3.3 V depending on VIO_SEL; up to 40 mA
Radio bands: LTE Cat NB2 bands B1/B2/B3/B4/B5/B8/B12/B13/B17/B18/B19/B20/B25/B28/B66/B70/B85
TX power: 23 dBm
Temperature:
- Operating: -35 °C to +75 °C
- Extended: -40 °C to +85 °C

Project metadata review Current state

The project currently has:

Designator Prefix = U
Manufacturer Part Number = BC660KGLAA-I03-SNASA
Manufacturer Name = Quectel
Part Type = Transistors
Datasheet URL = now set to the Quectel PDF

Metadata mismatches / gaps

Part Type = "Transistors" is incorrect.
- Datasheet/product info describes this as an NB-IoT / LTE Cat NB2 module, not a transistor.
Manufacturer Name = "Quectel" is usable, but the datasheet gives the fuller name Quectel Wireless Solutions Co., Ltd.
Package or Case Code is missing.
- It should reflect the module package, e.g. LCC/LGA SMD module.
Operating Voltage, Operating Temperature, and Implementation Details are all missing.
The project description is not ideal:
- It says "Cellular GSM, GPRS, LTE Transceiver Module..."
- The official product summary is specifically NB-IoT / LTE Cat NB2, so the current description is distributor-style and a bit misleading versus the datasheet/product page.
  These are exactly the kinds of property gaps a datasheet-sync audit is meant to catch

Symbol and pin audit

For part-project verification, the important checks are exact pin count, exact pin numbers, and pin-type correctness against the datasheet

Good news

The schematic symbol has 58 terminals, matching the datasheet's 58 pins.
The PCB footprint also appears to be a single 58-pad footprint, consistent with an LCC/LGA-style module.

Mismatches I found

Area	Project	Datasheet	Result
Pin count	58 terminals	58 pins	Match
Footprint style	Single 58-pad module footprint	LCC/LGA SMD module	Match
Ground pin type	`GND`, `GND__1` ... `GND__9`, `USIM_GND` are set to Power In	Ground pins are ground	Mismatch
`VDD_EXT` pin type	Power In	Datasheet says output power supply	Mismatch
Reset naming	`~{RESET}`	Datasheet calls it `RESET_N`	Minor naming mismatch
Reserved pin naming	Split as `RESERVED1`, `RESERVED2`, etc.	Datasheet labels these broadly as `RESERVED` / keep open	Acceptable but inconsistent
Pin descriptions	Not populated	Datasheet provides functions/descriptions	Missing
Section / Pin Group / Pin Orientation / Sub-symbol grouping	Not populated	Recommended for IC/module parts	Missing

Notes on ambiguous pins

A few pins have types that may deserve review, but I would not call them hard mismatches without explicitly reclassifying them from the datasheet wording alone:

USIM_DATA
ANT_RF
GRFC1
GRFC2

Pin-description cross-check

The datasheet pin list includes, among others:

VBAT pins 42, 43
VDD_EXT pin 24
GND pins 1, 27, 34, 36, 37, 40, 41, 56, 57, 58
USIM_GND pin 10
USIM_DATA 11
USIM_RST 12
USIM_CLK 13
USIM_VDD 14
RESET_N 15
NETLIGHT 16
MAIN_TXD 17
MAIN_RXD 18
PSM_EINT 19
RI 20
ANT_RF 35
DBG_RXD 38
DBG_TXD 39
VIO_SEL 52
GRFC1 54
GRFC2 55
many RESERVED pins to be left open

That aligns well with the current symbol numerically, but the pin metadata quality is incomplete and in a few cases wrong.

Bottom line Matches

Datasheet URL is now set
58-pin symbol matches the datasheet
Footprint appears consistent with the module's 58-pad LCC/LGA package

Problems to fix

Part Type is wrong
Several ground pins are typed incorrectly
VDD_EXT is typed incorrectly
Reset pin name is not an exact datasheet match
Pin descriptions are missing
Section / Pin Group / Pin Orientation / Sub-symbol grouping are all missing
Several useful project properties are missing: Package or Case Code, Operating Voltage, Operating Temperature, Implementation Details

If you want, I can do the next pass and correct the part metadata plus the terminal properties to match the datasheet more closely.

Fix metadata and pins

Use exact datasheet names

Fill missing properties

Check footprint details

30 days

Set Datasheet URL to "https://forums.quectel.com/up..."

0:01

Set Datasheet URL to "https://forums.quectel.com/uploads/short-url/xkDIrvPXEAjlmsZJFE4KzSPgwJo.pdf"

30 days

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