TCS37209

TCS37209 is an ALS/colour and proximity sensor for behind OLED applications. It features ambient light, colour (RGB) sensing and proximity detection. The ambient light and colour sensing function provides four concurrent ambient light sensing channels: red, green, blue, and clear. The RGB and Clear channels are covered with an UV/IR blocking filter. This architecture accurately measures ambient light and enables the calculation of illuminance and colour temperature to manage display appearance. The proximity function synchronizes IR emission and detection to sense nearby objects. The architecture of the engine features self-maximizing dynamic range, ambient light subtraction, advanced crosstalk cancellation, and interrupt-driven I²C communication. Sensitivity, power consumption, and noise can be optimized with adjustable IR VCSEL timing and power. Application includes brightness management for displays, colour management for displays, proximity detection for mobile phones.

• 1.8V I²C bus, 0x49 I²C address
• Proximity detection behind OLED displays
• Integrated factory calibrated emitter drivers, display synchronization with highly programmable PSD
• Crosstalk and ambient light cancellation, optimized sensitivity and noise level, wide configuration
• Highly programmable gain and integration time
• Display synchronization with highly programmable ALS Start Delay, 737KHz ALS clock rate, 1KB FIFO
• Low power consumption, 1.8V power supply with 1.8V I2C bus, configurable sleep mode
• Integrated status checking for all functions, proximity saturation flag
• OLGA package