TLC59482DBQR

Product Overview

• Category: Integrated Circuit (IC)
• Use: LED Driver
• Characteristics: High precision, multiplexing capability, grayscale control
• Package: DBQ (Thin Shrink Small Outline Package)
• Essence: Efficiently drives and controls LEDs
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage: 3.3V to 5.5V
• Number of Channels: 16
• Maximum Output Current: 120 mA per channel
• Communication Interface: Serial Data Input
• Grayscale Control: 4096 steps
• Multiplexing Capability: Up to 8 devices can be cascaded

Detailed Pin Configuration

1. VCC - Power supply voltage
2. GND - Ground
3. SIN - Serial data input
4. SCLK - Serial clock input
5. XLAT - Latch signal input
6. BLANK - Output enable signal input
7. GSCLK - Grayscale clock input
8. OUT0 to OUT15 - LED output channels

Functional Features

• High-Precision Control: The TLC59482DBQR provides precise control over the brightness levels of individual LEDs, allowing for smooth and accurate dimming.
• Multiplexing Capability: With the ability to cascade up to 8 devices, this LED driver can control a large number of LEDs using minimal pins on the microcontroller.
• Grayscale Control: The IC supports 4096 steps of grayscale control, enabling smooth transitions between different brightness levels.
• Built-in Protection: Over-temperature and over-current protection features ensure the safety and longevity of the LEDs and the driver itself.

Advantages and Disadvantages

Advantages: - High precision and accuracy in LED brightness control - Efficient multiplexing capability reduces pin count on the microcontroller - Smooth grayscale control for seamless transitions - Built-in protection features ensure LED and driver safety

Disadvantages: - Limited to driving LEDs only, not suitable for other applications - Requires an external clock signal for grayscale control

Working Principles

The TLC59482DBQR is a constant-current LED driver that utilizes pulse-width modulation (PWM) to control the brightness of LEDs. It receives serial data input and clock signals from a microcontroller, which are used to set the desired brightness levels for each LED channel. The IC then converts this digital information into analog current outputs, ensuring consistent and accurate illumination.

Detailed Application Field Plans

1. Automotive Lighting: The TLC59482DBQR can be used in automotive lighting systems, such as headlights, taillights, and interior lighting, providing precise control over LED brightness and enabling various lighting effects.
2. Display Panels: This LED driver is suitable for display panels in electronic devices like smartphones, tablets, and televisions, allowing for uniform backlighting and dynamic control of individual pixels.
3. Signage and Advertising: LED-based signage and advertising boards can benefit from the TLC59482DBQR's ability to control multiple LEDs simultaneously, creating eye-catching visual effects.

Detailed and Complete Alternative Models

1. TLC59481DBQR: Similar to the TLC59482DBQR, but with 24 channels instead of 16.
2. TLC59483DBQR: A higher-end model with additional features like fault detection and diagnostic capabilities.
3. MAX7219CNG: An alternative LED driver with multiplexing capability and support for up to 64 LEDs.

(Note: The above alternative models are just a few examples; there are several other options available in the market.)

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