TB62785FTG,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, 2500 units per reel

Specifications

• Input Voltage: 3.3V - 5.5V
• Output Voltage: 17V - 50V
• Output Current: Up to 120mA
• Number of Channels: 8
• Operating Temperature: -40°C to +85°C

Detailed Pin Configuration

The TB62785FTG,EL IC has the following pin configuration:

1. VCC: Power supply voltage input
2. GND: Ground reference
3. OUT1: Output channel 1
4. OUT2: Output channel 2
5. OUT3: Output channel 3
6. OUT4: Output channel 4
7. OUT5: Output channel 5
8. OUT6: Output channel 6
9. OUT7: Output channel 7
10. OUT8: Output channel 8
11. OE: Output enable control
12. CLK: Clock input for internal shift register
13. LAT: Latch signal input
14. SIN: Serial data input
15. SOUT: Serial data output
16. RST: Reset signal input

Functional Features

• High voltage capability allows driving multiple LEDs in series
• Constant current sink driver ensures consistent brightness across LEDs
• Internal shift register simplifies control interface
• Latch signal enables simultaneous update of all outputs
• Serial data input facilitates easy daisy-chaining of multiple devices

Advantages and Disadvantages

Advantages: - High voltage capability enables driving multiple LEDs efficiently - Constant current sink ensures uniform brightness across LEDs - Simplified control interface with serial data input and latch signal - Daisy-chaining capability allows easy scalability

Disadvantages: - Limited output current may not be suitable for high-power LED applications - Requires an external clock signal for operation

Working Principles

The TB62785FTG,EL is a high voltage, constant current sink driver IC designed to efficiently drive and control LEDs. It operates by sinking a constant current through the connected LEDs, ensuring consistent brightness. The IC features an internal shift register that receives serial data and updates the output channels accordingly. A latch signal is used to simultaneously update all outputs, providing synchronized control. The device requires an external clock signal for proper operation.

Detailed Application Field Plans

The TB62785FTG,EL is commonly used in various applications involving LED displays, signage, and lighting. Some specific application fields include:

1. LED Displays: The IC can be used to drive LED matrix displays, alphanumeric displays, and segment displays.
2. Signage: It is suitable for controlling LED-based signs, such as advertising boards, scoreboards, and information displays.
3. Lighting: The IC can be utilized in LED lighting fixtures, architectural lighting, and decorative lighting applications.

Detailed and Complete Alternative Models

1. TB62725FTG,EL: Similar to TB62785FTG,EL but with 16 output channels instead of 8.
2. TB62745FTG,EL: Offers 12 output channels and higher output current capability.
3. TB62765FTG,EL: Provides 10 output channels and additional features like built-in PWM control.

These alternative models offer different channel counts and additional features, allowing users to choose the most suitable option for their specific requirements.

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