TLC59731DR

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TLC59731DR

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IC LED DRIVER LINEAR 50MA 8SOIC

  • FabricanteTexas Instruments

  • Peça do Fabricante #TLC59731DR

  • Em Estoque5499

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Especificações

Atributo Valor
Series EasySet™
Part Status Active
Type Linear
Topology Shift Register
Internal Switch(s) Yes
Number of Outputs 3
Voltage - Supply (Min) 3V
Voltage - Supply (Max) 6V
Voltage - Output 21V
Current - Output / Channel 50mA
Frequency 6MHz
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Base Product Number TLC59731

Visão Geral

Description

The TLC59731DR is a 12-channel, constant-current LED driver from Texas Instruments, designed for applications requiring precise color control and consistent brightness in LED lighting. Each channel can be programmed for a constant current output, ensuring uniform LED brightness with a maximum output current of 35 mA per channel. The device features an integrated shift register, simplifying the control via a serial interface, which reduces the number of microcontroller pins required for operation.
This driver supports efficient power management with low power dissipation, making it suitable for battery-powered applications. It also offers features like pre-charge FETs that help in achieving high color accuracy and prevent ghosting effects in LED matrix setups. The TLC59731DR is commonly used in applications such as backlighting for displays, electronic signage, and other consumer electronics requiring reliable LED control. Additionally, it is designed to accommodate a wide range of operating conditions, with a supply voltage range of 3 V to 5.5 V, ensuring versatility and ease of integration into various designs.

Equivalent

The TLC59731DR is a 12-channel constant-current LED driver from Texas Instruments. Equivalent products include:
1. STMicroelectronics STP16C596 - 16-channel LED driver.
2. Maxim Integrated MAX6966 - 10-channel LED driver.
3. NXP PCA9955BTW - 16-channel I2C-bus controlled LED driver.
4. Microchip Technology HV9861A - High voltage, boost mode LED driver.
These alternatives provide similar functionalities for driving multiple LEDs, though differences in channel count and features may exist.

Features

The TLC59731DR is a 3-channel, constant-current RGB LED driver designed for efficient and accurate LED driving. Key features of the TLC59731DR include:
1. Constant Current Output: It provides precise current control for each channel, ensuring consistent LED brightness.
2. Output Channels: The driver supports three output channels, making it suitable for RGB LED applications.
3. Adjustable Current Level: The output current can be programmed to suit specific LED requirements.
4. Brightness Control: It offers high-resolution PWM dimming for smooth brightness control.
5. Serial Data Interface: The device includes a single-wire, serial data interface for easy configuration and control.
6. Compact Package: Available in a small, 8-pin DR package for space-constrained designs.
7. Wide Operating Voltage: Supports a broad input voltage range, enhancing flexibility in various designs.
8. Thermal Management: Built-in thermal shutdown protection helps prevent overheating.
9. Efficiency: Designed for high efficiency, reducing power consumption and heat generation.
These features make the TLC59731DR ideal for applications such as LED displays, signage, and general RGB LED lighting where accurate color control is essential.

Pinout

The TLC59731DR is a 6-pin integrated circuit designed for LED driver applications. Its key function is to control and drive RGB LEDs with high precision and efficiency. The pin configuration is crucial to its operation:
1. VDD: Power supply pin for the device.
2. GND: Ground pin, which provides the reference voltage for the device.
3. DIN: Data input pin, used for receiving serial data to control the LEDs.
4. DOUT: Data output pin, used to pass the serial data to the next device in a chain, allowing for daisy-chaining multiple drivers.
5. OUTR: Output pin for driving the red LED channel.
6. OUTG/OUTB: Dual-function output pin used for driving the green and blue LED channels.
This driver is particularly useful in LED applications requiring precise color mixing and dimming, thanks to its high-resolution PWM dimming capability. It operates over a wide voltage range and supports cascading multiple drivers for controlling large LED installations.

Manufacturer

The TLC59731DR is manufactured by Texas Instruments. Texas Instruments, often abbreviated as TI, is an American technology company that designs and manufactures semiconductors and various integrated circuits. The company is well-known for its involvement in the development of analog chips and embedded processors, which are widely used in electronics across various industries. TI’s products are integral to the functioning of systems in areas such as automation, automotive, communications, computing, and consumer electronics. The company has a strong emphasis on innovation and is recognized as a leader in the semiconductor sector.

Application

The TLC59731DR is a 12-channel, 16-bit LED driver commonly used in applications requiring precise control of LED brightness and color. Its primary application areas include LED displays, architectural lighting, stage lighting, billboards, and backlighting for LCD panels. The device is suitable for any application where efficient and accurate dimming of LEDs is essential. With its high voltage capabilities and robust current control, it is ideal for both consumer and industrial lighting solutions that require reliable performance, such as automotive lighting and decorative lighting products. The device's SPI-compatible interface allows for easy integration into various systems for customizable lighting effects.

Package

The TLC59731DR is a constant-current RGB LED driver by Texas Instruments, featuring a 14-pin SOIC (Small Outline Integrated Circuit) package. This package is compact and suitable for surface-mount technology, making it ideal for applications requiring efficient space usage on printed circuit boards.

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