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TLC5916IPWG4
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TLC5916IPWG4

Product Overview

Category: Integrated Circuit (IC)

Use: LED Driver

Characteristics: - High output current capability - Wide input voltage range - Constant current output - Serial data interface - Daisy-chainable architecture

Package: TSSOP-24

Essence: The TLC5916IPWG4 is an integrated circuit that serves as a LED driver. It provides a constant current output to drive LEDs, making it suitable for various lighting applications.

Packaging/Quantity: The TLC5916IPWG4 is available in a TSSOP-24 package and is typically sold in reels of 2500 units.

Specifications

  • Supply Voltage Range: 3V to 5.5V
  • Output Current Range: Up to 120mA per channel
  • Number of Channels: 8
  • Serial Data Interface: I2C-compatible
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TLC5916IPWG4 has a total of 24 pins, which are assigned as follows:

  1. GND: Ground
  2. VCC: Power supply voltage
  3. SDA: Serial data input
  4. SCL: Serial clock input
  5. OE: Output enable
  6. LE: Latch enable
  7. SIN: Serial data output
  8. SOUT: Serial data input/output 9-16. OUT0-OUT7: LED output channels 17-24. NC: No connection

Functional Features

  • Constant current output: The TLC5916IPWG4 ensures a stable and consistent current flow through the connected LEDs, resulting in uniform brightness.
  • Serial data interface: It utilizes an I2C-compatible serial data interface, allowing for easy control and configuration of the LED driver.
  • Daisy-chainable architecture: Multiple TLC5916IPWG4 devices can be connected in a daisy-chain configuration, simplifying the control of large LED arrays.

Advantages and Disadvantages

Advantages: - High output current capability enables driving of high-power LEDs. - Wide input voltage range allows for compatibility with various power sources. - Serial data interface provides flexibility in controlling the LED driver. - Daisy-chainable architecture simplifies the control of multiple LED drivers.

Disadvantages: - Limited number of channels (8) may not be sufficient for applications requiring a large number of LEDs. - Requires external components (resistors) to set the desired LED current.

Working Principles

The TLC5916IPWG4 operates by receiving serial data through the SDA pin and clock signals through the SCL pin. The received data is then used to control the output current of each channel, ensuring a constant current flow through the connected LEDs. The OE pin enables or disables the output, while the LE pin latches the data into the internal registers.

Detailed Application Field Plans

The TLC5916IPWG4 is widely used in various lighting applications, including: - Automotive lighting - Signage and display boards - Architectural lighting - Backlighting for LCD panels - Decorative lighting

Detailed and Complete Alternative Models

  1. TLC5917IPWG4: Similar to the TLC5916IPWG4, but with 16 output channels instead of 8.
  2. TLC5920IPWPR: Offers 16 output channels and additional features such as error detection and thermal shutdown protection.
  3. TLC5940IPWPR: Provides 16 output channels and offers grayscale control for smooth dimming of LEDs.

These alternative models offer expanded capabilities and options for different application requirements.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan TLC5916IPWG4 dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of TLC5916IPWG4 in technical solutions:

  1. Q: What is TLC5916IPWG4? A: TLC5916IPWG4 is a 16-channel constant current LED driver that can be used to control LEDs in various applications.

  2. Q: What is the maximum output current of TLC5916IPWG4? A: The maximum output current per channel of TLC5916IPWG4 is 120 mA.

  3. Q: Can TLC5916IPWG4 be used to drive RGB LEDs? A: Yes, TLC5916IPWG4 can be used to drive RGB LEDs by controlling the individual channels for each color.

  4. Q: How many TLC5916IPWG4 devices can be cascaded together? A: Multiple TLC5916IPWG4 devices can be cascaded together to control a larger number of LEDs. Up to 8 devices can be cascaded using the I2C interface.

  5. Q: What is the supply voltage range for TLC5916IPWG4? A: The supply voltage range for TLC5916IPWG4 is typically between 3V and 5.5V.

  6. Q: Can TLC5916IPWG4 be used with both common anode and common cathode LEDs? A: Yes, TLC5916IPWG4 can be used with both common anode and common cathode LEDs by configuring the appropriate output mode.

  7. Q: Does TLC5916IPWG4 have built-in thermal shutdown protection? A: Yes, TLC5916IPWG4 has built-in thermal shutdown protection to prevent overheating.

  8. Q: Can TLC5916IPWG4 dim the LEDs? A: Yes, TLC5916IPWG4 supports LED dimming through the use of pulse width modulation (PWM) control.

  9. Q: What is the maximum frequency for PWM control in TLC5916IPWG4? A: The maximum frequency for PWM control in TLC5916IPWG4 is typically 1 kHz.

  10. Q: Is TLC5916IPWG4 compatible with microcontrollers? A: Yes, TLC5916IPWG4 can be easily interfaced with microcontrollers using the I2C communication protocol.

Please note that these answers are general and may vary depending on the specific application and requirements.