사양
| 속성 | 가치 |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| Type | Linear |
| Topology | Shift Register |
| InternalSwitch(s) | Yes |
| NumberofOutputs | 12 |
| Voltage-Supply(Min) | 3V |
| Voltage-Supply(Max) | 5.5V |
| Voltage-Output | 17V |
| Current-Output/Channel | 60mA |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 20-PowerTSSOP (0.173, 4.40mm Width) |
개요
Description
The TLC5971PWPR is a 12-channel, constant-current LED driver from Texas Instruments, designed for high-resolution color mixing applications. It operates with an input voltage ranging from 3.0V to 5.5V and provides 16-bit grayscale PWM control and 7-bit global brightness control for each channel, allowing precise color management and brightness adjustment. Each channel can supply a constant current of up to 35mA, which is programmable via an external resistor.
The device features a high-speed serial interface that supports data transfer rates up to 30MHz, ensuring fast and efficient communication. Its daisy-chaining capability allows for easy cascading of multiple drivers, making it suitable for large LED display applications. The TLC5971PWPR incorporates thermal shutdown and open/short LED detection for enhanced protection and reliability. It is commonly used in applications such as architectural lighting, stage lighting, and LED signage. The device is packaged in a TSSOP-20 package, which is compact and suitable for space-constrained designs.
The device features a high-speed serial interface that supports data transfer rates up to 30MHz, ensuring fast and efficient communication. Its daisy-chaining capability allows for easy cascading of multiple drivers, making it suitable for large LED display applications. The TLC5971PWPR incorporates thermal shutdown and open/short LED detection for enhanced protection and reliability. It is commonly used in applications such as architectural lighting, stage lighting, and LED signage. The device is packaged in a TSSOP-20 package, which is compact and suitable for space-constrained designs.
Equivalent
The TLC5971PWPR is a 12-channel LED driver by Texas Instruments. Equivalent products include:
1. WS2812B - A popular 12-channel LED driver with integrated RGB LEDs.
2. LPD8806 - Offers similar functionality with a different communication protocol.
3. SK9822 - Similar to WS2812B with improved color accuracy and faster data rates.
4. APA102 - Known for high-speed data transmission and better color rendering.
Compatibility depends on specific features and requirements like protocol, voltage, and current ratings. Always verify specifications for exact matches.
1. WS2812B - A popular 12-channel LED driver with integrated RGB LEDs.
2. LPD8806 - Offers similar functionality with a different communication protocol.
3. SK9822 - Similar to WS2812B with improved color accuracy and faster data rates.
4. APA102 - Known for high-speed data transmission and better color rendering.
Compatibility depends on specific features and requirements like protocol, voltage, and current ratings. Always verify specifications for exact matches.
Features
The TLC5971PWPR is a 12-channel, constant-current LED driver designed for precision performance in LED lighting applications. Key features include:
1. 12-Channel Output: Each channel can drive LEDs with a constant current, ensuring uniform brightness and color consistency.
2. High-Resolution Dimming: It supports 16-bit grayscale PWM and 7-bit global brightness control, enabling fine adjustments of LED brightness and color.
3. Current Adjustability: The output current is adjustable via external resistors, providing flexibility for different LED needs.
4. Enhanced Drive Capability: It is capable of driving up to 45 mA per channel, suitable for a wide range of LED currents.
5. Integrated Circuit Design: The device is designed for minimal external components, simplifying design and reducing PCB space.
6. Thermal Management: Equipped with a thermal shutdown feature to protect against overheating, enhancing reliability.
7. Serial Interface: It uses a serial interface for easy communication and control, compatible with common microcontrollers.
8. Package: Offered in a compact and thermally efficient TSSOP package, which is ideal for space-constrained applications.
These features make the TLC5971PWPR suitable for applications requiring precision LED control, such as displays, lighting, and signage.
1. 12-Channel Output: Each channel can drive LEDs with a constant current, ensuring uniform brightness and color consistency.
2. High-Resolution Dimming: It supports 16-bit grayscale PWM and 7-bit global brightness control, enabling fine adjustments of LED brightness and color.
3. Current Adjustability: The output current is adjustable via external resistors, providing flexibility for different LED needs.
4. Enhanced Drive Capability: It is capable of driving up to 45 mA per channel, suitable for a wide range of LED currents.
5. Integrated Circuit Design: The device is designed for minimal external components, simplifying design and reducing PCB space.
6. Thermal Management: Equipped with a thermal shutdown feature to protect against overheating, enhancing reliability.
7. Serial Interface: It uses a serial interface for easy communication and control, compatible with common microcontrollers.
8. Package: Offered in a compact and thermally efficient TSSOP package, which is ideal for space-constrained applications.
These features make the TLC5971PWPR suitable for applications requiring precision LED control, such as displays, lighting, and signage.
Pinout
The TLC5971PWPR is a 20-pin integrated circuit designed for LED control, specifically for full-color (RGB) LED applications. It is a 12-channel, constant-current sink LED driver manufactured by Texas Instruments. Each channel can be programmed individually, allowing for versatile control over LED colors and brightness.
Key functions of the TLC5971 include:
1. LED Control: Provides precise control over LED brightness and color through individual channel current settings.
2. Current Sinks: Each of the 12 channels is a constant-current sink, which helps in maintaining consistent LED brightness.
3. PWM Control: Features PWM (Pulse Width Modulation) for LED dimming.
4. Data Transfer: Supports high-speed data transfer using serial communication, making it suitable for high-performance applications.
5. Error Detection: Includes error detection for open and shorted LEDs.
The device operates using a serial-in, parallel-out configuration and is well-suited for applications such as LED displays, backlighting, and architectural lighting due to its high efficiency and precise color control capabilities.
Key functions of the TLC5971 include:
1. LED Control: Provides precise control over LED brightness and color through individual channel current settings.
2. Current Sinks: Each of the 12 channels is a constant-current sink, which helps in maintaining consistent LED brightness.
3. PWM Control: Features PWM (Pulse Width Modulation) for LED dimming.
4. Data Transfer: Supports high-speed data transfer using serial communication, making it suitable for high-performance applications.
5. Error Detection: Includes error detection for open and shorted LEDs.
The device operates using a serial-in, parallel-out configuration and is well-suited for applications such as LED displays, backlighting, and architectural lighting due to its high efficiency and precise color control capabilities.
Manufacturer
The TLC5971PWPR is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs and manufactures a wide range of electronic components. TI is particularly known for its analog and embedded processing products, which are used in industrial, automotive, personal electronics, communications equipment, and enterprise systems. The company is headquartered in Dallas, Texas, and has a strong focus on innovation and technology development to meet the needs of its diverse customer base.
Application
The TLC5971PWPR is a 12-channel, constant-current sink LED driver commonly used in applications requiring precise LED control and color mixing. Key application areas include:
1. LED Displays: For signage and information boards where consistent brightness and color accuracy are essential.
2. Architectural Lighting: Facilitates dynamic lighting effects and color changes for aesthetic and functional purposes.
3. Stage and Studio Lighting: Offers high-resolution dimming and color control essential for theatrical and television productions.
4. Decorative Lighting: Used in installations where vibrant color output and effects are needed.
5. Automotive Lighting: Provides reliable control for interior and exterior LED lighting systems.
Its integrated features, such as grayscale PWM control and error detection, enhance performance in these applications.
1. LED Displays: For signage and information boards where consistent brightness and color accuracy are essential.
2. Architectural Lighting: Facilitates dynamic lighting effects and color changes for aesthetic and functional purposes.
3. Stage and Studio Lighting: Offers high-resolution dimming and color control essential for theatrical and television productions.
4. Decorative Lighting: Used in installations where vibrant color output and effects are needed.
5. Automotive Lighting: Provides reliable control for interior and exterior LED lighting systems.
Its integrated features, such as grayscale PWM control and error detection, enhance performance in these applications.
Package
The TLC5971PWPR is packaged in a TSSOP (Thin Shrink Small Outline Package) with 28 pins. Specifically, it's known as a "PW" package, which is a thermally enhanced PowerPAD version that aids in heat dissipation.
