TLC5971PWPR
Ideal for lighting and display applications
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製造商零件號 # : TLC5971PWPR
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包裝/封裝: HTSSOP-20
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製造商: Texas Instruments
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產品分類 : LED Drivers
品質保證
品質保證
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服務與包裝
服務與包裝
About After Sales Service
All Parts Extended Quality Guarantee
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例子
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TLC5971PWPR 數據表
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目前的價格方案正在編制中。請聯絡我們的客戶服務團隊獲取最新的價格資訊。感謝您的理解和支援!
詳細說明
Designed with convenience and flexibility in mind, the TLC5971PWPR is a reliable and efficient constant-current sink driver that offers unparalleled control over LED lighting applications. The individual adjustable currents and PWM grayscale steps on each of the 12 output channels allow for precise customization, while the global brightness control function adds an extra layer of versatility. With a user-friendly two-wire signal interface, adjusting grayscale control and brightness is simple and intuitive. The device's overtemperature protection ensures safety and reliability in operation, making it a standout choice for applications where performance and longevity are crucial
主要特徵
- High-frequency PWM for precise LED lighting control
- Simplified grayscale control for easy color mixing
- Multichannel constant current sink with high PWM frequency support
- User-friendly brightness adjustment feature for all LEDs
規格
以下是所選零件的基本參數,涉及零件的特性及其所屬類別。
Number of channels | 12 | LED current per channel (mA) | 60 |
Vin (min) (V) | 3 | Vin (max) (V) | 17 |
Features | Constant current, PWM control, Thermal shutdown | Operating temperature range (°C) | -40 to 85 |
Rating | Catalog |
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等,這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
What is TLC5971PWPR?
The TLC5971PWPR is a 12-channel, constant-current sink LED driver designed by Texas Instruments. It is used to control and drive LED arrays with precision current regulation, making it suitable for applications such as LED displays, signage, and decorative lighting.
How Does TLC5971PWPR Work?
The TLC5971PWPR works by receiving serial data input to control the current sinks for individual LED channels. It utilizes internal registers to store brightness values and PWM (Pulse Width Modulation) data, allowing precise control of LED intensity. The driver features grayscale control and thermal shutdown protection for reliable LED operation.
How Many Pins does TLC5971PWPR have and What are the Functions of the Pinout Configuration?
The TLC5971PWPR is housed in a 28-pin TSSOP (Thin Shrink Small Outline Package) package. The pinout configuration includes:
- OUT0-OUT11: Channel outputs for the 12 LED channels.
- VCC: Power supply pin.
- GND: Ground pin.
- SCLK: Serial clock input pin.
- SDI: Serial data input pin.
- BLANK: Blank control input pin.
- GSLAT: Data latch control input pin.
- XLAT: Output latch control input pin.
What are the Pros and Cons of TLC5971PWPR?
Pros:
- Multiple Channels: Offers 12 channels for driving individual LEDs or LED segments.
- Precision Current Control: Provides constant-current sinking for accurate LED brightness regulation.
- Grayscale Control: Enables smooth intensity variations for dynamic lighting effects.
- Thermal Shutdown: Includes thermal protection for safe operation and longevity of LEDs.
- Serial Interface: Supports easy data input and control for seamless integration into digital systems.
Cons:
- Complexity: LED driver ICs like the TLC5971PWPR may require careful configuration and understanding of LED specifications.
- Cost: Higher channel count drivers may be costlier compared to simpler LED drivers.
- External Components: Application-specific external components such as resistors may be needed for optimal LED performance.
Are There Any Equivalents/Alternatives to TLC5971PWPR for Recommendation?
- The TLC5947 from Texas Instruments is a similar LED driver with 24 channels and grayscale control.
- Alternatives to the TLC5971PWPR include the LT3965 from Analog Devices and the AS1130 from AMS (Austria Microsystems).
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