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STMicroelectronics VD6283TX45/1
- Part No.:
- VD6283TX45/1
- Manufacturer:
- STMicroelectronics
- Category:
- Ambient Light, IR, UV Sensors
- Package:
- 6-UFBGA
- Datasheet:
-
VD6283TX45/1.pdf
- Description:
- SENSOR OPT 850NMAMB IR 6 UFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:1,124
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Product details
Overview
VD6283TX45/1 from STMicroelectronics is a miniature 6-channel multispectral ambient light sensor with integrated AC light flicker extraction engine, designed for smartphone and smartwatch display tuning and camera white balance assistance. It delivers parallel red/green/blue/visible/IR/clear channel sensing, 24-bit ADC resolution, 1.6 ms–1.6 s programmable exposure time, and flicker detection from 100 Hz to 2 kHz - enabling <30 ms white balance convergence under real-world lighting.
For engineers reviewing the VD6283TX45/1 datasheet, VD6283TX45/1 pinout, VD6283TX45/1 application, or VD6283TX45/1 equivalent, key selection considerations include its optical BGA-6 package compatibility with cover-glass mounting, dual-mode (PDM/analog) flicker output routing via GPIO1/GPIO2, I²C fast mode plus (1 MHz) interface with configurable slave address, and OTP-stored per-channel calibration data for Lux/CCT accuracy.
Technical Context
The VD6283TX45/1 implements six independent 24-bit ADCs - one per spectral channel - enabling true parallel ALS acquisition without time-multiplexing overhead. Its flicker engine operates on raw photodiode output using pulse-density modulation (PDM), supporting both internal clocking and external master-clock synchronization via GPIO2.
Flicker extraction is decoupled from ALS operation: users may route any single channel (e.g., clear) to the flicker path while simultaneously reading other channels for colorimetry. The device supports two PDM output configurations - digital (GPIO1 out, GPIO2 in) and analog (GPIO2 out with external RC filter) - requiring host-side FFT for precise frequency analysis of multitone lighting.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| ALS Channels | 6 independent parallel channels: red, green, blue, visible, IR, clear - enables simultaneous CCT/Lux calculation and flicker-aware white balance. |
| Flicker Detection Range | 100 Hz to 2 kHz - covers LED square-wave and sine-wave flicker from common indoor lighting sources including dimmed LEDs and fluorescent ballasts. |
| ADC Resolution | 24-bit (16-bit + 8-bit LSB extension) - provides high dynamic range and sub-count resolution in low-light conditions (e.g., <10 mLux). |
| Exposure Time | 1.6 ms to 1.6 s in 1.6 ms steps - allows adaptive integration for varying ambient levels while maintaining fixed 6 ms readout latency. |
| I²C Interface | Fast mode plus (1 MHz), default address 0x40 - supports high-throughput register access and auto-increment sequential reads/writes for efficient firmware polling. |
| Operating Voltage | 1.65 V to 1.95 V (typ. 1.8 V) - matches modern mobile SoC I/O rail requirements and minimizes power supply complexity. |
| Package | Optical BGA-6, 1.83 × 1.0 × 0.55 mm - enables direct mounting under phone cover glass with minimal optical path distortion. |
Pinout & Package
VD6283TX45/1 uses a reflowable optical BGA-6 package with thin glass top surface optimized for cover-glass integration. Ball pitch is 0.4 mm; balls are arranged in 2×3 grid (A1–A3, B1–B3). No external passive components required for basic ALS operation; RC filtering needed only for analog flicker mode.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A1 | VDD | Main 1.8 V supply input - must be decoupled with 1 µF ceramic capacitor close to ball. |
| A2 | SDA | I²C bidirectional data line - requires pull-up resistor (1.62 kΩ for fast mode plus); supports SDA_DRV_CFG up to 20 mA drive strength. |
| A3 | VSS | Ground reference - must be connected to system GND with low-impedance path to minimize noise coupling into photodiodes. |
| B1 | GPIO2 | Configurable I/O: PDM clock input (mode 1) or analog flicker output (mode 2) - internal pull-down; external pull-up required during power-up to prevent unintended address reprogramming. |
| B2 | GPIO1 | Configurable I/O: interrupt output (default) or PDM flicker data output (mode 1) - active-low open-drain; used for handshake or streaming sync. |
| B3 | SCL | I²C clock input - requires pull-up resistor; timing compliant with fast mode plus (tLOW ≥ 0.5 µs, tHIGH ≥ 0.26 µs). |
Key Features
| Feature | Design Value |
|---|---|
| Hybrid spectral filters | Precisely tuned red/green/blue/visible/IR/clear responses - improves CCT accuracy to ±50 K and Lux error to <±5% across 7 mLux–30 kLux range. |
| Dual-mode flicker output | Selectable PDM (digital) or filtered analog output - enables flexible host processing: SPI/PDM interface for real-time streaming or ADC-based FFT for harmonic analysis. |
| OTP per-channel calibration | Factory-programmed gain/offset coefficients stored in one-time-programmable memory - eliminates need for external calibration in production and ensures traceable Lux/CCT performance. |
| Independent analog gain per channel | 15-step programmable gain (0.71× to 66×) - allows dynamic range optimization per channel without cross-talk, critical for mixed-spectrum LED environments. |
| Intermeasurement period control | 256-step delay (0–5.12 s in 20 ms increments) - reduces average power by gating sensor activity between measurements, extending battery life in always-on display use cases. |
Applications
| Smartphone Display Tuning | Smartwatch Ambient Light Sensing |
|---|---|
|
Use Scenario: Real-time adjustment of OLED screen brightness and color temperature based on ambient spectral composition and intensity. IC Role / Device Role / Timing Role: Multispectral ALS sensor providing synchronized RGB/IR/clear readings every 30 ms to enable flicker-aware display rendering. Use Value: Eliminates banding artifacts during video playback by detecting 100/120 Hz lighting harmonics and dynamically adjusting display refresh timing. |
Use Scenario: Ultra-low-power ambient light monitoring for always-on watch face brightness adaptation in variable indoor/outdoor lighting. IC Role / Device Role / Timing Role: Low-voltage (1.8 V), low-quiescent-current ALS with 5.12 s max intermeasurement period - extends coin-cell battery life beyond 1 year. Use Value: Maintains accurate Lux measurement down to 7 mLux while consuming <10 µA average current in gated sensing mode. |
| Camera White Balance Assistance | LED Lighting Flicker Analysis |
|
Use Scenario: Accelerating auto-white-balance convergence in smartphone cameras under mixed artificial lighting (e.g., LED + fluorescent). IC Role / Device Role / Timing Role: Dedicated clear-channel flicker engine running concurrently with RGB/visible/IR ALS acquisition - delivers full-color + flicker data within 30 ms. Use Value: Reduces AWB settling time by >50% compared to single-channel sensors, preventing color shift during scene transitions. |
Use Scenario: Embedded flicker diagnostics in smart lighting controllers to identify incompatible dimmer-driver combinations causing visible strobing. IC Role / Device Role / Timing Role: Standalone flicker analyzer with 100–2000 Hz detection bandwidth and PDM output compatible with MCU ADC or dedicated DSP. Use Value: Enables closed-loop flicker suppression by feeding detected fundamental/harmonic frequencies back to LED driver PWM logic. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ambient light and flicker sensing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| VD6283TAB | Pinout- and software-compatible successor; identical optical BGA-6 package and register map; improved low-light SNR and extended flicker detection to 2.5 kHz. | Recommended for new designs requiring longer product lifecycle support; same PCB footprint and firmware migration path. | Select VD6283TAB when initiating new projects - it supersedes VD6283TX with no hardware or software redesign required. |
| OPT3001IDNPT | Single-channel lux sensor (no flicker engine); 16-bit ADC; 0.01–83 kLux range; 2.7–5.5 V supply; WSON-12 package (3 × 2 mm). | Lacks multispectral and flicker capabilities - suitable only for basic brightness control, not CCT or banding mitigation. | Choose OPT3001IDNPT only for cost-sensitive, non-flicker applications where size and voltage flexibility outweigh spectral fidelity. |
Compared with VD6283TAB and OPT3001IDNPT, the VD6283TX45/1 uniquely combines 6-channel parallel ALS, on-chip flicker extraction, and cover-glass-mountable optical BGA-6 packaging - making it irreplaceable for high-fidelity mobile display and camera tuning despite its legacy status.
Availability
VD6283TX45/1 is available at Aetrix Electronics and suitable for smartphone display tuning, smartwatch ambient light sensing, and camera white balance assistance requiring stable component supply through extended design cycles.
Supply support for VD6283TX45/1 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
STMicroelectronics is a global semiconductor leader specializing in intelligent power, sensors, microcontrollers, and automotive ICs - headquartered in Geneva, Switzerland, with R&D and manufacturing across Europe, Asia, and the Americas.
The VD6283TX belongs to ST's VD62xx ambient light sensor family, engineered specifically for mobile and wearable devices demanding high-accuracy spectral sensing, flicker-aware display control, and ultra-compact optical integration.
FAQ
What is the recommended replacement for VD6283TX45/1 in new designs?
The VD6283TAB is STMicroelectronics' officially recommended replacement - it shares identical pinout, software API, and optical BGA-6 package with the VD6283TX45/1, while offering enhanced low-light SNR and extended flicker detection up to 2.5 kHz. Migration requires no PCB changes or firmware modifications beyond updating the part number and driver version.
How does the VD6283TX45/1 handle flicker detection while performing ambient light sensing?
The VD6283TX45/1 supports concurrent ALS and flicker operation: users assign one channel (typically clear) to the flicker engine while reading the remaining five channels for colorimetry. The flicker signal is output continuously via GPIO1 or GPIO2 in PDM format, independent of I²C register reads - enabling real-time host-side FFT without interrupting ALS data flow.
Can the VD6283TX45/1 operate under smartphone cover glass?
Yes - the VD6283TX45/1 is explicitly designed for cover-glass mounting. Its optical BGA-6 package integrates a thin glass lid with anti-reflective coating and optimized photodiode alignment, maintaining spectral response fidelity and signal-to-noise ratio even with 0.5–1.0 mm Gorilla Glass overlay and adhesive layers.
What is the role of the OTP memory in VD6283TX45/1 calibration?
The OTP memory stores factory-measured per-channel calibration coefficients - including gain, offset, and hybrid filter response corrections - enabling accurate Lux and CCT computation directly from raw ADC counts. These values are immutable and accessible via I²C registers, eliminating field calibration and ensuring consistent performance across production units.
VD6283TX45/1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Package/Case:
- 6-UFBGA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Ambient, IR
- Wavelength:
- 850nm
- Proximity Detection:
- No
- Output Type:
- I2C
- Voltage - Supply:
- 1.65V ~ 1.95V
- Operating Temperature:
- -30°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 6-BGA (1.83x1.01)
VD6283TX45/1 FAQ
1.How can I place an order for VD6283TX45/1 through Aetrix?
Please submit a Request for Quotation (RFQ) for VD6283TX45/1 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for VD6283TX45/1 reliable?
The price and inventory of VD6283TX45/1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for VD6283TX45/1 is usually 5 days.
3.What payment methods are accepted for VD6283TX45/1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for VD6283TX45/1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for VD6283TX45/1?
VD6283TX45/1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your VD6283TX45/1 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for VD6283TX45/1?
For technical support, including VD6283TX45/1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your VD6283TX45/1 requirements.
6.How does Aetrix verify that VD6283TX45/1 is sourced from the original manufacturer or authorized distributors?
All VD6283TX45/1 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that VD6283TX45/1 meets industry standards.
7.What is the process for return or replacement of VD6283TX45/1?
All VD6283TX45/1 units undergo pre-shipment inspection (PSI). If there is an issue with VD6283TX45/1, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The VD6283TX45/1 part is unused and in its original packaging.
Return procedure for VD6283TX45/1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
VD6283TX45/1 Tags
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