TLC5925IDWR

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TLC5925IDWR

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IC LED DRIVER LINEAR 45MA 24SOIC

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仕様

属性 値
Part Status Active
Type Linear
Topology Shift Register
Internal Switch(s) Yes
Number of Outputs 16
Voltage - Supply (Min) 3V
Voltage - Supply (Max) 5.5V
Voltage - Output 17V
Current - Output / Channel 45mA
Frequency 30MHz
Applications Signage
Operating Temperature -40°C ~ 125°C (TA)
Mounting Type Surface Mount
Package / Case 24-SOIC (0.295", 7.50mm Width)
Supplier Device Package 24-SOIC
Base Product Number TLC5925

概要

Description

The TLC5925IDWR is a 16-channel, constant-current LED driver designed for controlling LED arrays in various applications, including signage, displays, and lighting systems. It features a serial interface for easy integration with microcontrollers, allowing precise control over LED brightness and color. The device supports a wide range of operating voltages (3 to 5.5V) and can drive up to 120 mA per channel, making it suitable for high-brightness LEDs.
Key features include programmable current levels for each channel, a built-in grayscale function for smooth brightness control, and fault detection capabilities. The TLC5925IDWR supports daisy chaining, enabling multiple devices to be connected for expanded control over larger LED arrays. Its compact package and efficient design make it ideal for space-constrained applications. Overall, the TLC5925IDWR is a versatile solution for designers looking to implement sophisticated LED control with minimal complexity.

Equivalent

The TLC5925IDWR chip is a 16-channel LED driver with PWM control. Equivalent products include the Texas Instruments TLC5940, which offers similar functionality but with 16 channels and an enhanced feature set. Other alternatives could be the MAX6960 from Maxim Integrated and the PCA9685 from NXP, both providing LED control capabilities, albeit with different specifications and channel counts. Always verify compatibility with your specific application requirements.

Features

The TLC5925IDWR is an 16-channel LED driver designed for efficient control of multiple LEDs. Key features include:
1. 16 Channels: It can drive up to 16 individual LEDs, suitable for applications like LED displays and decorative lighting.
2. Constant Current Control: Each channel supports programmable constant current, ensuring uniform brightness across all LEDs.
3. PWM Dimming: The device allows for Pulse Width Modulation (PWM) dimming for flexible brightness control.
4. High Efficiency: Operates with high efficiency, reducing heat generation and power consumption.
5. I2C Interface: Communicates via I2C, enabling easy integration with microcontrollers and other digital systems.
6. Wide Supply Voltage: Operational voltage ranges from 3V to 5.5V, making it versatile for various applications.
7. Short Circuit Protection: Features built-in protection mechanisms to safeguard against short circuits.
8. Thermal Shutdown: Includes thermal shutdown to prevent overheating during operation.
These features make the TLC5925IDWR ideal for applications in signage, automotive lighting, and decorative lighting systems.

Pinout

The TLC5925IDWR is an LED driver IC with a total pin count of 28. It is designed for driving multiple LEDs in applications such as LED displays and lighting systems.
Key functions of the TLC5925 include:
- LED Control: It can control up to 16 LEDs.
- Serial Interface: The device communicates using a serial data interface, allowing for easy integration with microcontrollers.
- Constant Current Drive: It features constant current outputs for uniform brightness across LEDs.
- PWM Control: The IC supports pulse-width modulation for dimming control.
- Diagnostics: It includes functions for LED open or short detection, enhancing reliability.
- Multiple Device Configuration: Multiple TLC5925 devices can be daisy-chained for larger LED arrays.
Overall, the TLC5925IDWR is a versatile LED driver suitable for various lighting applications.

Manufacturer

The TLC5925IDWR is manufactured by Texas Instruments (TI), a major American technology company. Founded in 1930, Texas Instruments specializes in designing and producing semiconductors and various integrated circuits, which are essential components in a wide range of electronic devices. The company is particularly well-known for its innovations in analog, digital signal processing, and microcontroller technologies.
Texas Instruments serves diverse industries, including industrial, automotive, communications, and consumer electronics. Its products are widely used in applications such as robotics, automotive systems, and automation. The TLC5925IDWR itself is a 16-channel, I2C-controlled LED driver, enabling efficient control of multiple LEDs, making it particularly useful in display technologies and lighting applications. TI is recognized for its commitment to quality, reliability, and technological advancement, contributing significantly to the growth of the semiconductor industry.

Application

The TLC5925IDWR is a 16-channel LED driver IC primarily used in applications such as:
1. Lighting Control: Used in decorative and architectural lighting for dimming and color control.
2. Display Technology: Provides backlighting for LCDs and LED displays.
3. Automotive Lighting: Controls LED lighting in automotive applications, including interior and exterior lights.
4. Signage: Utilized in LED signs and billboards for vibrant, dynamic displays.
5. Consumer Electronics: Drives LEDs in various devices like televisions and smartphones for enhanced visual effects.
Its programmable features make it suitable for versatile LED applications requiring precise brightness control.

Package

The TLC5925IDWR is packaged in a TSSOP (Thin Shrink Small Outline Package) with 28 pins.

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