Allicdata Part #: | 296-39245-2-ND |
Manufacturer Part#: |
TLC59284DBQR |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC LED DRIVER LINEAR 45MA 24SSOP |
More Detail: | LED Driver IC 16 Output Linear Shift Register 45mA... |
DataSheet: | TLC59284DBQR Datasheet/PDF |
Quantity: | 12500 |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
Moisture Sensitivity Level (MSL): | 2 (1 Year) |
Specifications
Series: | -- |
Packaging: | Tape & Reel (TR) |
Lead Free Status / RoHS Status: | -- |
Part Status: | Active |
Moisture Sensitivity Level (MSL): | -- |
Type: | Linear |
Topology: | Shift Register |
Internal Switch(s): | Yes |
Number of Outputs: | 16 |
Voltage - Supply (Min): | 3V |
Voltage - Supply (Max): | 5.5V |
Voltage - Output: | 10V |
Current - Output / Channel: | 45mA |
Frequency: | -- |
Dimming: | -- |
Applications: | Signage |
Operating Temperature: | -40°C ~ 85°C (TA) |
Mounting Type: | Surface Mount |
Package / Case: | 24-SSOP (0.154", 3.90mm Width) |
Supplier Device Package: | 24-SSOP |
Base Part Number: | TLC59284 |
Description
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TLC59284DBQR Application Field and Working Principle
The TLC59284DBQR is a 4-channel, constant-current LED driver used in power management. It is typically used as a string driver in applications such as interior automotive lighting, architectural lighting, and general-purpose lighting. It allows for a single power supply with a wide operating voltage range, making it an extremely flexible choice for a wide range of applications. This document will discuss the operation of the TLC59284DBQR as an LED driver, as well as its application fields and principles of operation. The TLC59284DBQR is a constant-current LED driver controlled by either a 4-wire serial or I2C interface. The 4 channels of this device can source up to 32mA of current each, with a voltage range from 2.4 VDC to 18 VDC. The output can be dimmed via pulse-width modulation (PWM) or with a data signal. The constant-current output feature eliminates the need for multiple voltage supplies, as the output voltage is determined by the resistor value connected in series with the LED. In addition to its easy-to-use interface and wide operating voltage range, the TLC59284DBQR also offers many other advantages. Its quiescent current of only 50nA makes it an ideal choice for battery-powered applications. Furthermore, it has a 100dB signal-to-noise ratio, providing excellent LED performance without any need for external filtering. When using the TLC59284DBQR as an LED driver, there are several considerations that must be taken into account. First, it should be noted that the device only supports a 4-wire serial interface. This means that any I2C device connected to it must support a 4-wire serial interface as well. Additionally, the TLC59284DBQR is limited to a maximum voltage of 18 VDC, so any LED connected to it must be within this limit. The LED forward voltage must also be taken into consideration, as the current at which the LED operates is determined by the difference between the driver voltage and the forward voltage of the LED. Finally, the device must be configured properly to ensure that it operates as desired. This includes selecting the appropriate current, setting the dead-time and PWM frequency, configuring the I2C address, and more. Overall, the TLC59284DBQR is a powerful and convenient LED driver. It is ideal for applications related to power management, interior automotive lighting, architectural lighting, and general-purpose lighting. Furthermore, its wide operating voltage range, quiescent current, and integrated filtering make it a reliable and cost-effective choice.The specific data is subject to PDF, and the above content is for reference
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