Part Information Review and Update

flux

2:45

Reviewing project details.

Planning schematic and layout.

Reviewing the bill of materials.

Analyzing the PCB layout.

Analyzing the schematic.

Looking for "Exact manufacturer part number, manufacturer name, package, pin count, description, supply voltage range, operating temperature range, interface type, and key optical specifications for TCS3448." in TCS3448-14-Channel-multi-spectral-sensor.pdf

Looking for "Complete pin table for TCS3448 with pin numbers, pin names, and pin descriptions/functions." in TCS3448-14-Channel-multi-spectral-sensor.pdf

Looking for "Package information for TCS3448 including package name, body/package code, dimensions, and whether the package has 8 pins." in TCS3448-14-Channel-multi-spectral-sensor.pdf

Looking for "Summarize the TCS3448 datasheet first-page description and the key implementation notes relevant to creating a library part symbol and footprint." in TCS3448-14-Channel-multi-spectral-sensor.pdf

Looking for "Recommended PCB pad layout dimensions and package drawing details for the TCS3448 OLGA-8 package, including pad count, orientation, and pin 1 indication." in TCS3448-14-Channel-multi-spectral-sensor.pdf

Looking for "Top-view pin assignment diagram details for TCS3448: list pin numbers around the package in physical order if available." in TCS3448-14-Channel-multi-spectral-sensor.pdf

Addressing part number mismatches.

Evaluating land pattern data.

Creating a summary table.

I reviewed the part against the official datasheet already linked in the project. Since a Datasheet URL property is already present and points to the ams OSRAM PDF, no web search or property update was needed. I used the datasheet as the source of truth for exact pin/name/package checks, which is the right audit method for part projects
Summary

Part info audit

FieldIn projectIn datasheetStatus
Manufacturer Part NumberTCS3448Base device name is TCS3448; orderable package codes listed as TCS34488 and TCS34488M- Minor ambiguity
Manufacturer NameOSRAMams OSRAM / OSRAM branding- Acceptable
Part TypeSensors14-channel multi-spectral light sensor- OK
Package or Case CodeTOOLGA-8- Mismatch
Datasheet URLPresentOfficial PDF- OK
Designator PrefixICNot datasheet-driven, but U is the normal IC prefix convention- Convention issue
Description"14-Channel Multi-Spectral Color Sensor..."14-channel multi-spectral light sensor, 380 nm to 1000 nm, I2C 1.2 V/1.8 V, 3.1 mm x 2.0 mm x 1.0 mm package- Mostly OK, could be tightened

Key specs from datasheet

SpecValue
DeviceTCS3448 14-channel multi-spectral light sensor
Spectral range~380 nm to 1000 nm
Visible channels11 VIS channels
Extra channelsNIR, clear, and integrated flicker detection
Supply voltage1.7 V to 1.98 V
Nominal supply1.8 V
I2C bus voltage1.2 V / 1.8 V
Operating temperature-30 C to +85 C
PackageOLGA-8
Package size3.1 mm x 2.0 mm x 1.0 mm
Symbol cross-check Pin count and names
The symbol has 8 terminals, which matches the datasheet’s 8-pin OLGA-8 package. Pin names and pin numbers all match.

Symbol pin mapping

Project terminalDatasheet pinDatasheet functionResult
VDD1Positive supply voltage- Match
SCL2I2C clock input- Match
GND3Ground- Match
LDR4LED current sink input- Match
PGND5Power ground- Match
GPIO6General-purpose digital I/O / VBUS select role- Match
INT7Open-drain interrupt output, active low- Match
SDA8I2C data I/O- Match
Pin property / description audit
This is where most of the issues are.
Current mismatches
  • All 8 terminals currently have Pin Type = Unspecified.
  • No terminal appears to have a Pin Description property populated.
  • No Section, Pin Group, or Pin Orientation properties are present.
  • For part projects, exact pin properties should be checked against the datasheet and not guessed

Recommended pin types

TerminalCurrentRecommended
VDDUnspecifiedPower In
SCLUnspecifiedInput
GNDUnspecifiedGround
LDRUnspecifiedUnspecified or analog-specific handling
PGNDUnspecifiedGround
GPIOUnspecifiedBi-Directional
INTUnspecifiedOutput
SDAUnspecifiedBi-Directional

Recommended short pin descriptions

TerminalRecommended Pin Description
VDDPositive supply input
SCLI2C clock input
GNDSignal ground
LDRLED current sink
PGNDPower ground
GPIOGPIO and VBUS select
INTActive-low interrupt
SDAI2C data I/O
Footprint cross-check What matches
  • The layout contains 8 pads, consistent with the OLGA-8 package.
  • Pad naming aligns with the 8 symbol terminals.
What I could not fully verify from the available layout data
  • Exact land-pattern dimensions
  • Pad sizes / spacing
  • Package body outline accuracy
  • Pin 1 marker fidelity relative to the datasheet’s recommended PCB pad layout
So, at a minimum:
  • Pad count matches
  • Package property does not match
  • Detailed footprint geometry remains unverified from the current layout tool output alone
Flags Confirmed mismatches
  • Package or Case Code is TO, but datasheet says OLGA-8
  • All terminal Pin Type properties are still Unspecified
  • Terminal Pin Description properties appear to be missing
Likely improvements
  • Manufacturer Part Number could be made more specific if you want an orderable MPN, e.g. TCS34488 or TCS34488M
  • Designator Prefix should probably be U rather than IC
  • Project description could be updated to better reflect the datasheet wording:
    • 14-channel multi-spectral light sensor, 380 nm to 1000 nm, 1.7 V to 1.98 V supply, OLGA-8
If you want, I can make the obvious fixes next:
  • set Package or Case Code to OLGA-8
  • update all 8 terminal pin types
  • add short pin descriptions
  • optionally normalize the MPN and description
Fix pin metadata
Normalize part details
Verify footprint geometry
4 days

Ready.

Sign up to send

To get started, talk to Flux or create a New Document.

Documents

    Documents are markdown text files which describe project goals, capture details, or even simulation outputs.

    Assets

    TCS3448-thumb.png

    TCS3448-thumb.png

    TCS3448-thumbThumbnail
    TCS3448

    TCS3448

    TCS3448 Symbol.svgDefault
    stp

    TCS3448

    TCS3448.stp3D Model
    kicad_mod

    TCS3448

    TCS3448.kicad_modFootprint

    TCS3448

    TCS3448 thumbnail
    The ams OSRAM TCS3448 is a highly versatile, multi-purpose spectral light sensor designed to sense the spectral components of ambient light in the visible range. This 14-channel sensor is optimized for applications requiring precise color sensing and ambient light classification, making it ideal for enhancing camera performance through improved color temperature (CCT), automatic white balance (AWB), and exposure time adjustments. The TCS3448 features individual channels covering approximately 380 nm to 1000 nm, including 11 channels centered in the visible spectrum, one near-infrared (NIR) channel, and a clear channel. Additionally, it integrates a flicker detection channel that can automatically flag ambient light flicker at 50/60 Hz and buffer data for calculating other flicker frequencies. The sensor's high-precision optical interference filters are directly deposited on photodiodes embedded in CMOS silicon, ensuring accurate spectral data. With a built-in aperture, programmable digital GPIO, and LED driver, the TCS3448 offers robust control and synchronization capabilities. The device is available in an ultra-low profile package, making it suitable for a wide range of applications, from industrial automation to mobile and wearable devices. Features: 14-channel spectral sensing Visible range coverage (380 nm to 1000 nm) 11 visible spectrum channels Near-infrared (NIR) channel Clear channel Flicker detection up to 1 kHz Integrated aperture for increased accuracy High-precision optical interference filters Programmable digital GPIO LED driver for light source control Serial I²C interface (1.2 V/1.8 V) Ultra-low profile package (3.1 mm x 2 mm x 1 mm) Field of view (FOV) ±40° 0.18 µ process technology Compatible with AS7343 software #CommonPartsLibrary #IntegratedCircuit #Sensor #Transducers #Optical-Sensor #Ambient-Light #IR #UV-Sensor

    Properties

    TCS3448

    OSRAM

    Sensors

    look.ams-osram.com/m/1c24b057e65ee61e/original/TCS3448-14-Channel-multi-spectral-sensor.pdf

    IC

    creativecommons.org/licenses/by/4.0/

    Pricing & Availability

    See prices from popular manufacturers for your project.

    Controls