TMD3702VC - Color Light Sensor

3-in-1 color light sensor, proximity sensor and IR VCSEL in a narrow 1.44mm optical module 1.8V I2C
TMD3702VC - Color Light Sensor
艾邁斯半導體新推出的TMD3702VC三合一集成模組採用1.44mm x 2.84mm x 0.65mm封裝。智慧手機製造商可用它代替之前尺寸更寬的模組,實施窄邊框設計,增大顯示幕區域與機身尺寸之間的比例,同時保持重要的紅外接近和光感應功能。

該模組集成了一個IR發射器、一個IR探測器、四個顏色感測通道和多個濾光片。憑藉艾邁斯半導體專門開發的全新精密光學封裝和設計技術,TMD3702VC能夠表現出一流的性能。接近感測器採用垂直腔面發射雷射器(VCSEL) 1級人眼安全型940nm發射器,其光學效率比同類設備採用的LED發射器更高。因此,1.8V TMD3702VC主動模式下的平均功耗可保持在非常低的水準。在睡眠模式下,該設備僅消耗0.7µA。

General Description
The TMD3702VC is a high sensitivity light-to-digital converter that features ambient light and color (RGBC+IR) sensing in parallel with advanced IR proximity detection. The Ambient light and color sensing function provides four concurrent ambient light sensing channels: Red, Green, Blue, and Clear, which all have a UV/IR blocking filter. The ultra-slim 1.44mm wide package has been designed to accommodate a “single hole” aperture approach and incorporates an IR VCSEL that is factory calibrated driver. This product accurately measures ambient light and enables the calculation of illuminance, chromaticity, and color temperature to manage display appearance. The proximity function synchronizes IR emission and detection to sense nearby objects through photodiode detection of this reflected IR energy. Sensitivity, power consumption, and noise can be optimized with adjustable timing and power and the color photodiodes have dedicated data converters producing 16-bit data output. The prox architecture of the engine features self-maximizing dynamic range, ambient light subtraction, advanced optical crosstalk noise cancellation, 14-bit data output and interrupt-driven 1.8V I²C communications interface. The proximity engine recognizes detect/release events and produces a configurable interrupt whenever the proximity result crosses upper or lower threshold settings.

  • Small (3.9mm2) narrow glass touch-panel aperture design
  • Proximity crosstalk compensation
  • Ultra-high ALS and color sensitivity down to mLux levels
  • 940nm IR proximity with automatic ambient light subtraction
  • 0.18µm process technology with 1.8V I²C
  • Narrow footprint and low profile 1.44mm x 2.84mm x 0.65mm package

Enables ultra-thin display bezel applications
Enables operation behind highly diffusive glass
Enables accurate and stable measurement under dark glass in low light level environments
Compensates for unwanted ambient light photodiode current
Reduces power consumption
Reduce board space requirements and enable low-profile system design

Product parameters
Supply Voltage [V]: 1.7 - 2.0
I²C Bus: 1.8V
Programmable: Gain, Integration Time, Interrupt
Integrated Capabilities
Recommended Operating Distances
Temperature Range [°C]: -30 to 85
Packages: OLGA, Pin Count 8




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