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  • OPT4001-Q1 Automotive High-Speed, High-Precision, Digital Ambient Light Sensor

    • SBOSA93D May   2023  – December 2024 OPT4001-Q1

      PRODUCTION DATA  

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  • OPT4001-Q1 Automotive High-Speed, High-Precision, Digital Ambient Light Sensor
  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Timing Requirements
    7. 5.7 Timing Diagram
    8. 5.8 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Spectral Matching to Human Eye
      2. 6.3.2 Automatic Full-Scale Range Setting
      3. 6.3.3 Error Correction Code (ECC) Features
        1. 6.3.3.1 Output Sample Counter
        2. 6.3.3.2 Output CRC
      4. 6.3.4 Output Register FIFO
      5. 6.3.5 Threshold Detection
    4. 6.4 Device Functional Modes
      1. 6.4.1 Modes of Operation
      2. 6.4.2 Interrupt Modes of Operation
      3. 6.4.3 Light Range Selection
      4. 6.4.4 Selecting Conversion Time
      5. 6.4.5 Light Measurement in Lux
      6. 6.4.6 Threshold Detection Calculations
      7. 6.4.7 Light Resolution
    5. 6.5 Programming
      1. 6.5.1 I2C Bus Overview
        1. 6.5.1.1 Serial Bus Address
        2. 6.5.1.2 Serial Interface
      2. 6.5.2 Writing and Reading
        1. 6.5.2.1 High-Speed I2C Mode
        2. 6.5.2.2 Burst Read Mode
        3. 6.5.2.3 General-Call Reset Command
        4. 6.5.2.4 SMBus Alert Response
  8. 7 Register Maps
    1. 7.1 Register Descriptions
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Electrical Interface
        1. 8.2.1.1 Design Requirements
          1. 8.2.1.1.1 Optical Interface
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1 Optomechanical Design (PicoStar Variant)
          2. 8.2.1.2.2 Optomechanical Design (USON, SOT-5X3 Variant)
        3. 8.2.1.3 Application Curves (PicoStar Variant)
        4. 8.2.1.4 Application Curves (Other Variants)
    3. 8.3 Best Design Practices
    4. 8.4 Power Supply Recommendations
    5. 8.5 Layout
      1. 8.5.1 Layout Guidelines
        1. 8.5.1.1 Soldering and Handling Recommendations (PicoStar Variant)
          1. 8.5.1.1.1 Solder Paste
          2. 8.5.1.1.2 Package Placement
          3. 8.5.1.1.3 Reflow Profile
          4. 8.5.1.1.4 Special Flexible Printed-Circuit Board (FPCB) Recommendations
          5. 8.5.1.1.5 Rework Process
        2. 8.5.1.2 Soldering and Handling Recommendations (USON, SOT-5X3 Variant)
      2. 8.5.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Documentation Support
      1. 9.1.1 Related Documentation
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information
  13. IMPORTANT NOTICE

Package Options

Mechanical Data (Package|Pins)
  • DNP|6
    • MPDS564B
  • YMN|4
    • MXCC012
Thermal pad, mechanical data (Package|Pins)
Orderable Information
  • sbosa93d_oa
  • sbosa93d_pm
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  • Full reading width
    • Full reading width
    • Comfortable reading width
    • Expanded reading width
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Data Sheet

OPT4001-Q1 Automotive High-Speed, High-Precision, Digital Ambient Light Sensor

1 Features

  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1 (PicoStar™ variant): –40°C to 125°C, TA
    • Temperature grade 2 (USON, SOT-5X3 variant): –40°C to 105°C, TA
  • Functional Safety-Capable
    • Documentation available to aid functional safety system design
  • High-precision, high-speed light-to-digital conversion over high-speed I2C interface
  • Precision optical filtering closely matches human eye with excellent near infrared (NIR) rejection
  • Semi-logarithmic output:
    • Nine binary logarithmic full-scale light range
    • Highly linear response within each range
  • Built-in automatic full-scale light range selection logic, which switches measurement range based on input light condition for best possible resolution at all times
  • 28 bits of effective dynamic range:
    • 312.5µlux to 84klux for PicoStar™ package variant
    • 437.5μlux to 117klux for SOT-5X3 package variant
    • 400μlux to 107klux for USON package variant
  • 12 configurable conversion times:
    • 600μs to 800ms for high-speed and high-precision applications
  • External pin interrupt for hardware-synchronized trigger and interrupts (not available on PicoStarTM package)
  • Error correction code features for improved reliability in automotive use cases
  • Internal FIFO for output registers with I2C burst readout
  • Low operating current: 30μA
  • Ultra-low power standby: 2μA
  • Wide power-supply range: 1.6V to 3.6V
  • 5.5V tolerant I/O pins
  • Selectable I2C address
  • Small-form factor:
    • PicoStar™: 0.84mm x 1.05mm x 0.226mm
    • SOT-5X3: 1.9mm x 2.1mm x 0.6mm
    • USON: 2mm x 2mm x 0.65mm

2 Applications

  • Automotive interior and exterior lighting
  • Infotainment and clusters
  • Electrochromatic and smart mirrors
  • Head-up display systems
  • Automotive camera systems
Package Information
PART NUMBER PACKAGE(1)PACKAGE SIZE(2)
OPT4001-Q1YMN (PicoStar™, 4) 0.84mm x 1.05mm x 0.226mm
DTS (SOT-5X3, 8)1.9mm x 2.1mm x 0.6mm
DNP (USON, 6)2mm × 2mm × 0.65mm
(1) For more information, see the Mechanical, Packaging, and Orderable Information.
(2) The package size (length × width) is a nominal value and includes pins, where applicable.
OPT4001-Q1 OPT4001-Q1 Typical Application Diagram OPT4001-Q1 Typical Application Diagram
OPT4001-Q1 Spectral Response: The OPT4001-Q1 and the Human Eye Spectral Response:
The OPT4001-Q1 and the Human Eye

 
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