CY8CLED04-68LFXI

Product Overview

Category

CY8CLED04-68LFXI belongs to the category of LED drivers.

Use

This product is primarily used for driving and controlling LEDs in various applications.

Characteristics

• High efficiency: The CY8CLED04-68LFXI offers high efficiency, ensuring optimal power utilization.
• Compact package: It comes in a compact package, making it suitable for space-constrained designs.
• Wide voltage range: The driver supports a wide voltage range, allowing flexibility in different power supply configurations.
• Dimming capabilities: It provides dimming capabilities, enabling control over the brightness of the connected LEDs.
• Protection features: The CY8CLED04-68LFXI incorporates protection features such as overvoltage and overcurrent protection, ensuring the longevity of both the driver and the LEDs.

Package and Quantity

The CY8CLED04-68LFXI is available in a small form factor package. It is typically sold in reels or trays, with quantities varying based on customer requirements.

Specifications

• Input voltage range: 4.5V - 36V
• Output current range: 0mA - 500mA
• Number of channels: 4
• Dimming control: PWM (Pulse Width Modulation)
• Operating temperature range: -40°C to +85°C
• Package type: QFN (Quad Flat No-Lead)

Pin Configuration

The CY8CLED04-68LFXI has a total of 20 pins, which are assigned as follows:

1. VDD
2. GND
3. LED1
4. LED2
5. LED3
6. LED4
7. DIM1
8. DIM2
9. DIM3
10. DIM4
11. FAULT
12. VREF
13. SDA
14. SCL
15. NC
16. NC
17. NC
18. NC
19. NC
20. NC

Functional Features

• LED current regulation: The CY8CLED04-68LFXI ensures precise regulation of LED currents, maintaining consistent brightness levels.
• PWM dimming control: It supports PWM dimming control, allowing smooth and flicker-free brightness adjustments.
• Fault detection: The driver incorporates fault detection mechanisms to identify and report any abnormalities in the LED circuit.
• I2C interface: It features an I2C interface for easy communication with microcontrollers or other devices.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption.
• Compact package enables space-saving designs.
• Wide voltage range offers flexibility in power supply configurations.
• Dimming capabilities provide control over brightness levels.
• Protection features ensure longevity of the driver and LEDs.

Disadvantages

• Limited output current range may not be suitable for high-power LED applications.
• Requires additional components for thermal management in high-temperature environments.

Working Principles

The CY8CLED04-68LFXI operates by regulating the current flowing through the connected LEDs. It receives input voltage from a power source and converts it to a regulated current suitable for driving the LEDs. The driver utilizes PWM dimming control to adjust the brightness of the LEDs. It also monitors the LED circuit for faults and provides protection against overvoltage and overcurrent conditions.

Application Field Plans

The CY8CLED04-68LFXI finds applications in various fields, including: 1. Automotive lighting systems 2. Industrial lighting 3. Signage and display boards 4. Architectural lighting 5. Consumer electronics

Alternative Models

1. CY8CLED03-48LFXI: Similar to CY8CLED04-68LFXI but with 3 channels instead of 4.
2. CY8CLED05-96LFXI: Similar to CY8CLED04-68LFXI but with 5 channels instead of 4 and higher output current capability.

These alternative models provide options for different channel configurations and increased output current capacity, catering to specific application requirements.

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