TLC5971PWPR

Name: TLC5971PWPR
Rating: 4.5 (10 reviews)

Ideal for lighting and display applications

7,666 Effective Inventory

TLC5971PWPR

Effective Inventory7,666

Ideal for lighting and display applications

Manufacturer Part # : TLC5971PWPR
Package/Case: HTSSOP-20
Brand: Texas Instruments
Product Categories : LED Drivers

Quality Assurance

All parts procured from our supply chain network undergo a rigorous incoming inspection process. This meticulous inspection ensures that the parts received by our customers are authentic and meet the required standards. Additionally, we maintain detailed records of these inspections to ensure transparency and traceability throughout the supply chain.

Certification

We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.

Shipping & Payment

About Shipping

We generally ship orders within a few business days through reliable shipping carriers such as FedEx, SF, UPS, or DHL. We also have support for other shipping methods. If you would like to inquire about specific shipping details or costs, please don't hesitate to reach out to us.

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Service & Packaging

About After Sales Service

All Parts Extended Quality Guarantee

Initiate the application within 90 days from the shipment date.

Confirm the return or exchange with our staff.

Maintain the goods in their original condition as received.

Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]

About packaging

Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.

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TLC5971PWPR DataSheet

Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!

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Details

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

Key Features

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

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

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

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification TLC5971PWPR PDF Download

FAQs

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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TLC5971PWPR

TLC5971PWPR

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