CAT3643HV3-GT2

Product Overview

Category

CAT3643HV3-GT2 belongs to the category of integrated circuits (ICs) specifically designed for controlling and driving light-emitting diodes (LEDs).

Use

This product is primarily used in applications where precise control and efficient driving of LEDs are required. It provides a reliable solution for various lighting systems, including backlighting, automotive lighting, and general illumination.

Characteristics

• High voltage capability: CAT3643HV3-GT2 can handle high voltage levels, making it suitable for driving LEDs in demanding applications.
• Dimming control: It offers flexible dimming control options, allowing users to adjust the brightness of LEDs according to their requirements.
• Thermal protection: The IC incorporates thermal protection mechanisms to prevent overheating and ensure safe operation.
• Wide operating temperature range: CAT3643HV3-GT2 can operate within a wide temperature range, enabling its use in diverse environments.
• Low power consumption: It is designed to minimize power consumption, enhancing energy efficiency in LED lighting systems.

Package

The CAT3643HV3-GT2 IC is available in a compact and industry-standard package, such as a 16-pin TSSOP (Thin Shrink Small Outline Package). This package ensures easy integration into various circuit designs.

Essence

The essence of CAT3643HV3-GT2 lies in its ability to efficiently drive and control LEDs, providing reliable and versatile lighting solutions.

Packaging/Quantity

The IC is typically supplied in reels or tubes, with each reel or tube containing a specific quantity of CAT3643HV3-GT2 ICs. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Input voltage range: 4.5V to 40V
• Output current: Up to 100mA per channel
• Number of channels: 4
• Dimming control: Analog/PWM (Pulse Width Modulation)
• Operating temperature range: -40°C to +85°C
• Thermal shutdown protection: Yes
• Package type: 16-pin TSSOP

Detailed Pin Configuration

1. VDD: Power supply voltage input
2. GND: Ground reference
3. OUT1: LED channel 1 output
4. OUT2: LED channel 2 output
5. OUT3: LED channel 3 output
6. OUT4: LED channel 4 output
7. DIM1: Dimming control input for channel 1
8. DIM2: Dimming control input for channel 2
9. DIM3: Dimming control input for channel 3
10. DIM4: Dimming control input for channel 4
11. NC: No connection
12. NC: No connection
13. NC: No connection
14. NC: No connection
15. NC: No connection
16. NC: No connection

Functional Features

• Precise LED current control: CAT3643HV3-GT2 ensures accurate and consistent current regulation for each LED channel, resulting in uniform brightness across multiple LEDs.
• Flexible dimming options: It supports both analog and PWM dimming techniques, allowing users to choose the most suitable method for their application.
• Over-temperature protection: The IC incorporates thermal shutdown mechanisms to prevent damage due to excessive heat, ensuring reliable operation even in demanding environments.
• High voltage tolerance: CAT3643HV3-GT2 can handle high input voltages, making it compatible with a wide range of power supply configurations.
• Low power consumption: It is designed to minimize power losses, maximizing energy efficiency in LED lighting systems.

Advantages and Disadvantages

Advantages

• High voltage capability enables compatibility with various power supply configurations.
• Precise current control ensures uniform brightness across multiple LEDs.
• Flexible dimming options provide versatility in lighting applications.
• Thermal protection mechanisms prevent overheating and ensure safe operation.
• Low power consumption enhances energy efficiency.

Disadvantages

• Limited number of channels (4 channels) may not be sufficient for complex LED lighting systems requiring a higher number of independently controlled LEDs.
• The 16-pin TSSOP package may require additional space compared to smaller package options, limiting its use in compact designs.

Working Principles

CAT3643HV3-GT2 operates by receiving input voltage from the power supply and regulating the current flowing through each LED channel. The dimming control inputs allow users to adjust the brightness of individual channels using either analog or PWM signals. The IC incorporates thermal protection mechanisms to monitor temperature and prevent overheating. By efficiently driving and controlling LEDs, CAT3643HV3-GT2 provides reliable and precise lighting solutions.

Detailed Application Field Plans

CAT3643HV3-GT2 finds extensive application in various fields, including:

1. Backlighting: It is suitable for backlighting applications in LCD displays, providing