TSL2591High Dynamic Digital Light Sensor
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The TSL2591 is a high-sensitivity digital ambient light sensor with an ultra-wide dynamic range, designed for precise light measurement from very dim to direct sunlight. It features dual photodiodes and a digital I²C interface, making it ideal for smart lighting, displays, and environmental monitoring systems.
Key Features:
- Ultra-High Dynamic Range: Detects light from 0.000118 to 88,000 Lux
- Dual Diodes: Measures both visible and infrared light separately
- Digital I²C Interface: Easy integration with microcontrollers
- High Sensitivity: Operates well in low-light and bright conditions
- Programmable Gain & Timing: Optimizes performance and power
- Compact Module: Small footprint for embedded designs
- 16-bit Output: Enables precise Lux calculation
- Model: TSL2591
- Interface: I²C (address: 0x29)
- Light Measurement Range: 0.000118 to 88,000 Lux
- Resolution: 16-bit ADC
- Gain Control: 1×, 25×, 428×, 9876× (programmable)
- Integration Time: 100 ms to 600 ms (selectable)
- Operating Voltage: 3.3V or 5V compatible
- Current Consumption: ~200 µA (active), ~2 µA (sleep)
- Sensor Type: Visible + infrared photodiode pair
- Output Type: Digital Lux values via I²C
- Dimensions: Varies by module (commonly ~20 mm × 15 mm)
- Smart lighting systems and energy-efficient controls
- Display brightness auto-adjustment
- Ambient light monitoring for mobile and wearable devices
- Agricultural and greenhouse light sensing
- IoT environmental stations
- Light-aware automation systems
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