TB62747AFG,EL

Product Overview

• Category: Integrated Circuit (IC)
• Use: LED Driver
• Characteristics: High voltage, constant current sink driver
• Package: SOP (Small Outline Package)
• Essence: Efficiently drives and controls LEDs
• Packaging/Quantity: Tape and Reel, 2,500 units per reel

Specifications

• Input Voltage: 3.3V to 5.5V
• Output Voltage: Up to 17V
• Output Current: Up to 120mA
• Number of Channels: 16
• Operating Temperature: -40°C to +85°C

Detailed Pin Configuration

The TB62747AFG,EL IC has a total of 24 pins. The pin configuration is as follows:

1. VDD
2. GND
3. OUT0
4. OUT1
5. OUT2
6. OUT3
7. OUT4
8. OUT5
9. OUT6
10. OUT7
11. OUT8
12. OUT9
13. OUT10
14. OUT11
15. OUT12
16. OUT13
17. OUT14
18. OUT15
19. OE
20. CLK
21. LE
22. SIN
23. SOUT
24. NC

Functional Features

• High voltage capability allows driving multiple LEDs in series
• Constant current sink driver ensures uniform brightness across LEDs
• Built-in shift register for easy control of individual LEDs
• Serial data input simplifies interfacing with microcontrollers
• Output enable (OE) pin for power-saving mode
• Latch enable (LE) pin for synchronized updating of LED outputs

Advantages and Disadvantages

Advantages: - High voltage capability enables driving multiple LEDs in series - Constant current sink driver ensures uniform brightness - Serial data input simplifies control interface - Power-saving mode available with output enable pin

Disadvantages: - Limited to driving LEDs, not suitable for other applications - Requires external components for proper operation - Operating temperature range may limit certain environments

Working Principles

The TB62747AFG,EL is designed to efficiently drive and control LEDs. It operates by receiving serial data input through the SIN pin, which is then shifted into an internal shift register. The latch enable (LE) pin is used to update the LED outputs simultaneously. The constant current sink driver ensures that the LEDs connected to the outputs receive a consistent current, resulting in uniform brightness.

Detailed Application Field Plans

The TB62747AFG,EL is commonly used in various applications where LED driving is required. Some of the potential application fields include:

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

Detailed and Complete Alternative Models

1. TB62746AFG,EL - Similar specifications and features, but with 8 channels instead of 16.
2. TB62748AFG,EL - Similar specifications and features, but with 24 channels instead of 16.
3. TLC5940 - 16-channel LED driver with additional grayscale control capabilities.

These alternative models offer similar functionality and can be considered as alternatives to the TB62747AFG,EL depending on specific requirements and availability.

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