TB62754AFNG(O,EL)

Product Overview

• Category: Integrated Circuit (IC)
• Use: LED Driver
• Characteristics:
  • High voltage output
  • Constant current drive
  • Serial input control
• Package: SOP (Small Outline Package)
• Essence: This IC is designed to drive LEDs efficiently and reliably.
• Packaging/Quantity: Available in tape and reel packaging with a quantity of 2,500 units per reel.

Specifications

• Input Voltage: 3.3V to 5.5V
• Output Voltage: 17V to 50V
• Output Current: Up to 120mA
• Number of Channels: 16
• Serial Data Transfer Rate: 25Mbps (max)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TB62754AFNG(O,EL) has a total of 24 pins, which are assigned as follows:

1. VDD
2. GND
3. SDI (Serial Data Input)
4. CLK (Clock Input)
5. LE (Latch Enable)
6. OE (Output Enable)
7. OUT0
8. OUT1
9. OUT2
10. OUT3
11. OUT4
12. OUT5
13. OUT6
14. OUT7
15. OUT8
16. OUT9
17. OUT10
18. OUT11
19. OUT12
20. OUT13
21. OUT14
22. OUT15
23. VLED (LED Power Supply)
24. VREF (Reference Voltage)

Functional Features

• High voltage output capability allows driving multiple LEDs in series.
• Constant current drive ensures consistent brightness across all LEDs.
• Serial input control simplifies the interface with microcontrollers.
• Latch enable and output enable pins provide flexibility in controlling the LED outputs.

Advantages

• Efficient and reliable LED driving capability.
• High voltage output allows for driving multiple LEDs in series, reducing the number of required components.
• Constant current drive ensures consistent brightness, enhancing visual quality.
• Serial input control simplifies integration with microcontroller-based systems.
• Small package size (SOP) enables space-saving designs.

Disadvantages

• Limited output current may not be suitable for high-power LED applications.
• Requires an external power supply for LED operation.
• Lack of built-in protection features against overvoltage or overcurrent conditions.

Working Principles

The TB62754AFNG(O,EL) is a constant current LED driver IC that operates by receiving serial data input and clock signals. The input data is latched and then sequentially transferred to the output channels. Each channel drives an individual LED or a series of LEDs connected in series. The IC provides a constant current drive to ensure consistent brightness across all LEDs.

Detailed Application Field Plans

The TB62754AFNG(O,EL) is commonly used in various applications, including:

1. LED displays
2. LED signage
3. Automotive lighting
4. Backlighting for LCD panels
5. Decorative lighting

Detailed and Complete Alternative Models

1. TB62753AFNG(O,EL)

   • Similar specifications and pin configuration as TB62754AFNG(O,EL)
   • Suitable for applications requiring fewer output channels (8 channels)

2. TB62755AFNG(O,EL)

   • Similar specifications and pin configuration as TB62754AFNG(O,EL)
   • Suitable for applications requiring more output channels (32 channels)

3. TLC5940

   • 16-channel LED driver IC
   • Offers additional features such as grayscale control and dot correction

4. MAX7219

   • LED display driver IC
   • Suitable for applications requiring multiplexing of LED segments

5. LM3914

   • LED bar graph driver IC
   • Ideal for applications requiring visual representation of analog signals

In conclusion, the TB62754AFNG(O,EL) is a versatile LED driver IC with high voltage output capability and constant current drive. It offers serial input control and is commonly used in various applications such as LED displays, signage, automotive lighting, and backlighting. While it has certain limitations, alternative models are available to suit specific requirements.