TSL2591 Converter: Datasheet, Pinout and Schematic
IC LIGHT TO DGTL CONV 6-DFN
The TSL2591 is a very high-sensitivity light-to-digital converter. This article enforces datasheet, pinout, benefits, applications, and other details about TSL2591.

ams TSL2591 Ambient Light Sensor -- Another Geek Moment | DigiKey
TSL2591 Pinout


TSL2591 CAD Model
Symbol

Footprint

What is TSL2591?
The TSL2591 is a very high-sensitivity light-to-digital converter that transforms light intensity into a digital signal output capable of a direct I2C interface. The device combines one broadband photodiode (visible plus infrared) and one infrared-responding photodiode on a single CMOS integrated circuit.
TSL2591 Benefits and Features

Specifications
- TypeParameter
- Factory Lead Time24 Weeks
- Mounting Type
The "Mounting Type" in electronic components refers to the method used to attach or connect a component to a circuit board or other substrate, such as through-hole, surface-mount, or panel mount.
Surface Mount - Package / Case
refers to the protective housing that encases an electronic component, providing mechanical support, electrical connections, and thermal management.
6-WFDFN - Number of Pins4
- Operating Temperature
The operating temperature is the range of ambient temperature within which a power supply, or any other electrical equipment, operate in. This ranges from a minimum operating temperature, to a peak or maximum operating temperature, outside which, the power supply may fail.
-30°C~70°C - Packaging
Semiconductor package is a carrier / shell used to contain and cover one or more semiconductor components or integrated circuits. The material of the shell can be metal, plastic, glass or ceramic.
Tape & Reel (TR) - Part Status
Parts can have many statuses as they progress through the configuration, analysis, review, and approval stages.
Active - Moisture Sensitivity Level (MSL)
Moisture Sensitivity Level (MSL) is a standardized rating that indicates the susceptibility of electronic components, particularly semiconductors, to moisture-induced damage during storage and the soldering process, defining the allowable exposure time to ambient conditions before they require special handling or baking to prevent failures
3 (168 Hours) - TypeAmbient
- Voltage - Supply
Voltage - Supply refers to the range of voltage levels that an electronic component or circuit is designed to operate with. It indicates the minimum and maximum supply voltage that can be applied for the device to function properly. Providing supply voltages outside this range can lead to malfunction, damage, or reduced performance. This parameter is critical for ensuring compatibility between different components in a circuit.
2.7V~3.6V - Output Type
The "Output Type" parameter in electronic components refers to the type of signal or data that is produced by the component as an output. This parameter specifies the nature of the output signal, such as analog or digital, and can also include details about the voltage levels, current levels, frequency, and other characteristics of the output signal. Understanding the output type of a component is crucial for ensuring compatibility with other components in a circuit or system, as well as for determining how the output signal can be utilized or processed further. In summary, the output type parameter provides essential information about the nature of the signal that is generated by the electronic component as its output.
I2C - Operating Supply Voltage
The voltage level by which an electrical system is designated and to which certain operating characteristics of the system are related.
3V - Data Bus Width
The data bus width in electronic components refers to the number of bits that can be transferred simultaneously between the processor and memory. It determines the amount of data that can be processed and transferred in a single operation. A wider data bus allows for faster data transfer speeds and improved overall performance of the electronic device. Common data bus widths include 8-bit, 16-bit, 32-bit, and 64-bit, with higher numbers indicating a larger capacity for data transfer. The data bus width is an important specification to consider when evaluating the speed and efficiency of a computer system or other electronic device.
16b - Max Frequency
Max Frequency refers to the highest frequency at which an electronic component can operate effectively without degradation of performance. It is a critical parameter for devices such as transistors, capacitors, and oscillators, indicating their limitations in speed and response time. Exceeding the max frequency can lead to issues like signal distortion, heat generation, and potential failure of the component. Understanding this parameter is essential for designing circuits to ensure reliable and efficient operation.
400kHz - Wavelength
In electronic components, "wavelength" refers to the distance between two consecutive points of a wave, typically measured from peak to peak or trough to trough. It is a crucial parameter in understanding the behavior of electromagnetic waves and signals in various electronic devices. The wavelength of a signal is inversely proportional to its frequency, meaning that higher frequencies have shorter wavelengths and vice versa. Understanding the wavelength of signals is important for designing and optimizing electronic circuits, antennas, and communication systems.
850 nm - Proximity Detection
A proximity sensor is a non-contact sensor that detects the presence of an object (often referred to as the “target”) when the target enters the sensor’s field. Depending on the type of proximity sensor, sound, light, infrared radiation (IR), or electromagnetic fields may be utilized by the sensor to detect a target.
No - RoHS Status
RoHS means “Restriction of Certain Hazardous Substances” in the “Hazardous Substances Directive” in electrical and electronic equipment.
RoHS Compliant - Lead Free
Lead Free is a term used to describe electronic components that do not contain lead as part of their composition. Lead is a toxic material that can have harmful effects on human health and the environment, so the electronics industry has been moving towards lead-free components to reduce these risks. Lead-free components are typically made using alternative materials such as silver, copper, and tin. Manufacturers must comply with regulations such as the Restriction of Hazardous Substances (RoHS) directive to ensure that their products are lead-free and environmentally friendly.
Lead Free
TSL2591 Block Diagram

TSL2591 Timing Diagram

TSL2591 PCB Layout
Suggested land pattern based on the IPC-7351B Generic Requirements for Surface Mount Design and Land Pattern Standard(2010)for the small outline no-lead(SON) package is shown in the following figure.

TSL2591 Application Circuit
The figure shows a typical hardware application circuit.

TSL2591 Package

TSL2591 Manufacturer
AMS is a global leader in the design and manufacture of advanced sensor solutions. Their mission is to shape the world with sensor solutions by providing a seamless interface between humans and technology. AMS focuses on sensor-rich market segments, providing high-performance sensor solutions and driving true leadership in three sensing areas: optical sensing, image sensing, and audio sensing. Headquartered in Austria, ams employs about 10,000 people globally and serves more than 8,000 customers worldwide. AMS is listed on the SIX Swiss stock exchange (ticker symbol: AMS).
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Datasheet PDF
- Datasheets :
What is TSL2591 used for?
The TSL2591 is a very high-sensitivity light-to-digital converter that transforms light intensity into a digital signal output capable of a direct I2C interface. The device combines one broadband photodiode (visible plus infrared) and one infrared-responding photodiode on a single CMOS integrated circuit.
How does TSL2591 work?
The TSL2591 is a very high-sensitivity light-to-digital converter that transforms light intensity into a digital signal output capable of the direct I2C interface. Two integrating ADCs convert the photodiode currents into a digital output that represents the irradiance measured on each channel.
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