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    Parts    Ambient Light Sensors (TI) Family    OPT3001    OPT3001DNPRQ1
OPT3001DNPRQ1

TIOPT3001DNPRQ1

Texas Instruments
Optical Sensor Ambient 550nm I2C 6-UDFN Exposed Pad
Active845 in stock
Datasheet Digi-Key Compare Prices

Overview

The OPT3001DNPRQ1 is a digital ambient light sensor (ALS) with a spectral response that closely matches the human eye. This AEC-Q100 qualified sensor provides a high-resolution 23-bit effective dynamic range from 0.01 lux to 83 klux via an I2C-compatible interface. It features automatic full-scale setting, which simplifies software by eliminating the need for manual gain adjustments.

Why Choose This Part

The sensor features precision optical filtering that rejects more than 99 percent of IR light, ensuring accurate measurements regardless of the light source. Its ultra-low power consumption of 1.8uA typical during operation and wide supply range of 1.6V to 3.6V make it ideal for battery-constrained automotive subsystems.

Applications

Automotive Display Backlighting
Adjusts infotainment and instrument cluster brightness based on cabin lighting conditions for driver comfort.
ADAS Optical Systems
Provides ambient light compensation for camera systems and safety sensors in various weather conditions.
Day/Night Power Management
Triggers headlight activation or energy-saving modes in EVs when environmental light levels drop below thresholds.
Smart Mirror Dimming
Controls the reflectivity of electrochromic mirrors to reduce glare from following vehicles.

Key Specifications

Type Ambient
Wavelength 550nm
Output Type I2C
Mounting Type Surface Mount
Package / Case 6-UDFN Exposed Pad
Voltage - Supply 1.6V ~ 3.6V
Proximity Detection No
Operating Temperature -40degC ~ 105degC
Supplier Device Package 6-USON (2x2)

Getting Started

Interface with the device over I2C using a standard microcontroller; the 5.5V tolerant I/O pins allow for easy integration with different logic levels. Use the interrupt pin to wake the host MCU only when light levels exceed user-defined high or low thresholds to maximize system power savings.

Part of Ambient Light Sensors (TI) family » OPT3001

OPT3001 Family

Comparing specs that differ across variants. The current part is highlighted.

Part Number Temp Range Stock
OPT3001DNPRQ1 (this part) -40degC ~ 105degC 845
OPT3001DNPR -40degC ~ 85degC 2,835
OPT3001DNPT -40degC ~ 85degC 15,398
Also available as: OPT3001CDRLR, OPT3001IDBVR, OPT3001IDRLR

Also Consider

OPT3001IDNPRQ1 TITexas Instruments - An AEC-Q100 Grade 3 version of the same sensor for applications with slightly different temperature qualification requirements.
VEML6030 VSHVishay - A high-accuracy 16-bit ambient light sensor with excellent I2C performance and low power consumption in a similar footprint.
TSL2591 ams OSRAM - Offers a very high dynamic range for extremely low light conditions, though it lacks the specific automotive AEC-Q100 qualification.