TLC5917IPWRG4

Product Overview

Category

TLC5917IPWRG4 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for driving LEDs (Light Emitting Diodes) in various applications.

Characteristics

• The TLC5917IPWRG4 is a 16-channel constant current LED driver.
• It operates with a supply voltage range of 3 V to 5.5 V.
• This IC can provide up to 120 mA of current per channel.
• It offers a wide dimming range, allowing precise control of LED brightness.
• The device supports both dot correction and global brightness control.
• It features thermal shutdown protection to prevent damage due to excessive heat.

Package

The TLC5917IPWRG4 is available in a TSSOP (Thin Shrink Small Outline Package) package.

Essence

The essence of this product lies in its ability to efficiently drive multiple LEDs with constant current, ensuring consistent brightness and accurate control.

Packaging/Quantity

The TLC5917IPWRG4 is typically sold in reels containing 2500 units.

Specifications

• Supply Voltage Range: 3 V to 5.5 V
• Number of Channels: 16
• Maximum Current per Channel: 120 mA
• Dimming Control: Dot correction, global brightness control
• Thermal Shutdown Protection: Yes
• Package Type: TSSOP
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TLC5917IPWRG4 has a total of 24 pins. The pin configuration is as follows:

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

Functional Features

• Constant current output for driving LEDs.
• Wide dimming range for precise brightness control.
• Dot correction and global brightness control for enhanced LED performance.
• Thermal shutdown protection to prevent overheating and damage.

Advantages and Disadvantages

Advantages

• Efficiently drives multiple LEDs with constant current.
• Wide dimming range allows for precise control of LED brightness.
• Supports dot correction and global brightness control for improved LED performance.
• Offers thermal shutdown protection to prevent damage due to excessive heat.

Disadvantages

• Limited to driving LEDs and not suitable for other applications.
• Requires an external power supply within the specified voltage range.

Working Principles

The TLC5917IPWRG4 operates by receiving control signals through the SDA (Serial Data) and SCL (Serial Clock) pins. These signals are used to set the desired current levels for each LED channel. The IC then generates a constant current output, which is applied to the connected LEDs. The device also supports dimming control, allowing the user to adjust the brightness of the LEDs. Additionally, dot correction and global brightness control features further enhance the LED performance.

Detailed Application Field Plans

The TLC5917IPWRG4 finds application in various fields where LED driving is required. Some potential application areas include:

1. Automotive lighting systems
2. Display panels
3. Signage and advertising displays
4. Backlighting for LCD screens
5. Decorative lighting
6. Architectural lighting
7. Stage and entertainment lighting
8. Industrial control panels

Detailed and Complete Alternative Models

1. TLC5916IPWRG4: Similar to the TLC5917IPWRG4, but with 12 channels instead of 16.
2. TLC5918IPWRG4: Similar to the TLC5917IPWRG4, but with 24 channels instead of 16.
3. TLC5920IPWRG4: Similar to the TLC5917IPWRG4, but with additional features such as error detection and diagnostics.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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