TLC5940QRHBREP

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TLC5940QRHBREP

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IC LED DRVR LINEAR 120MA 32VQFN

  • HerstellerTexas Instruments

  • Herstellerteil #TLC5940QRHBREP

  • Paket VQFN-32

  • Auf Lager7440

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Spezifikationen

Attribut Wert
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Type Linear
Topology Shift Register
InternalSwitch(s) Yes
NumberofOutputs 16
Voltage-Supply(Min) 3V
Voltage-Supply(Max) 5.5V
Voltage-Output 17V
Current-Output/Channel 120mA
Frequency 30MHz
Applications Backlight, Signage
OperatingTemperature -40°C ~ 125°C (TA)
MountingType Surface Mount
Package/Case 32-VFQFN Exposed Pad

Übersicht

Description

The TLC5940QRHBREP is a 16-channel LED driver from Texas Instruments designed for advanced lighting applications. Each channel features a 12-bit pulse-width modulation (PWM) grayscale brightness control, allowing for precise and independent management of LED brightness levels. Additionally, the device includes a dot correction capability for uniform brightness across all LEDs.
The TLC5940QRHBREP operates with a supply voltage range from 3.0V to 5.5V, making it compatible with a variety of microcontroller platforms. It communicates via a serial interface, simplifying the connection to the host microcontroller. The device also offers thermal shutdown protection and low electromagnetic interference design, enhancing its reliability in demanding environments.
The TLC5940QRHBREP is particularly suitable for applications such as signage, display backlighting, and other LED lighting systems that require robust performance and flexibility. Its extended temperature range supports its use in automotive and industrial settings, adhering to stringent reliability requirements. This combination of features makes it a popular choice for developers seeking a versatile and efficient LED control solution.

Equivalent

The TLC5940QRHBREP is a 16-channel LED driver from Texas Instruments. Equivalent products from other manufacturers could include:
1. STMicroelectronics STP16C596 - 16-channel constant current LED driver.
2. MAXIM Integrated MAX7219/7221 - 8-digit LED display driver, which can be adapted for LED driving.
3. NXP PCA9685 - 16-channel PWM driver.
Ensure compatibility by checking current, voltage specifications, and communication interfaces for your specific application.

Features

The TLC5940QRHBREP is a 16-channel LED driver with features designed for precision and flexibility in lighting applications. Key features include:
1. 16 Channels: Each channel can independently drive an LED with constant current, ideal for complex lighting designs.
2. PWM Gray Scale Control: Provides 12-bit PWM control for each channel, allowing for smooth dimming and brightness control.
3. Dot Correction: Offers 6-bit dot correction per channel for uniform LED brightness compensation.
4. Adjustable Current: Each output channel supports adjustable current from 0 mA to 60 mA, with total current up to 960 mA.
5. Serial Data Interface: Utilizes a serial interface for easy daisy-chaining and control of multiple devices.
6. Thermal Shutdown: Protects the device from overheating, enhancing reliability.
7. Operating Temperature: Designed to perform reliably in harsh conditions with an extended temperature range of -55°C to 125°C.
8. Enhanced Product: As part of TI’s Enhanced Products line, it is designed to meet high-reliability standards and withstand rugged conditions.
These features make the TLC5940QRHBREP suitable for automotive, industrial, and other high-reliability applications.

Pinout

The TLC5940QRHBREP is a 28-pin integrated circuit developed by Texas Instruments. It is a 16-channel, constant-current LED driver designed for LED display applications. The key functions of the TLC5940QRHBREP include providing PWM (Pulse Width Modulation) brightness control, grayscale control for LEDs, and error detection for open and shorted LED conditions. It supports a maximum output current of 120 mA per channel and features a 12-bit grayscale PWM control, allowing for precise brightness adjustments.
The device also includes features such as thermal shutdown, error information output, and support for daisy-chaining multiple devices. Its SPI-compatible serial interface makes it easy to integrate with microcontrollers and other digital systems.
Overall, the TLC5940QRHBREP is commonly used in applications requiring flexible control of multiple LEDs with high accuracy and efficiency.

Manufacturer

The TLC5940QRHBREP is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of electronic components and integrated circuits. The company is known for its innovations in analog and embedded processing products, serving various industries, including automotive, industrial, personal electronics, communications, and enterprise systems. TI is recognized for its robust research and development efforts, extensive product portfolio, and commitment to sustainability and education.

Application

The TLC5940QRHBREP is a 16-channel, constant-current LED driver commonly used in applications requiring precise LED control. Its typical application areas include:
1. LED Displays: Used in large LED matrix displays, signage, and video walls for accurate color and brightness control.
2. Lighting Systems: Suitable for architectural and decorative lighting requiring dimming and color mixing.
3. Automotive Lighting: Implemented in dashboard displays and ambient interior lighting due to its reliability and precision.
4. Consumer Electronics: Integrates into devices needing sophisticated LED control, such as gaming consoles and smart home devices.
5. Industrial Equipment: Utilized in machine interfaces and status indicators where robust LED operation is essential.

Package

The TLC5940QRHBREP is packaged in a TSSOP-28 (Thin Shrink Small Outline Package) format, which has 28 pins and is designed for surface-mount technology. This package type is suitable for minimizing space on a PCB, making it ideal for applications requiring compact design.

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