TLC5944RHBT Allicdata Electronics

TLC5944RHBT Integrated Circuits (ICs)

Allicdata Part #:

296-23538-2-ND

Manufacturer Part#:

TLC5944RHBT

Price: $ 0.00
Product Category:

Integrated Circuits (ICs)

Manufacturer: Texas Instruments
Short Description: IC LED DRIVER LINEAR 60MA 32VQFN
More Detail: LED Driver IC 16 Output Linear Shift Register 60mA...
DataSheet: TLC5944RHBT datasheetTLC5944RHBT Datasheet/PDF
Quantity: 1000
Stock 1000Can Ship Immediately
Specifications
Voltage - Output: 3 V ~ 15 V
Base Part Number: TLC5944
Supplier Device Package: 32-VQFN (5x5)
Package / Case: 32-VFQFN Exposed Pad
Mounting Type: Surface Mount
Operating Temperature: -40°C ~ 85°C (TA)
Applications: Signage
Dimming: --
Frequency: 30MHz
Current - Output / Channel: 60mA
Series: --
Voltage - Supply (Max): 5.5V
Voltage - Supply (Min): 3V
Number of Outputs: 16
Internal Switch(s): Yes
Topology: Shift Register
Type: Linear
Part Status: Active
Packaging: Tape & Reel (TR) 
Description

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TLC5944RHBT is an easily-controlled integrated circuit from Texas Instruments (TI). It is commonly used in LED drivers, and has applications in many technical fields including automotive, medical, industrial and consumer electronics.The device is a combination of a clock signal generator and a high-frequency LED current regulator circuit to control the drive current of LED strings. It is manufactured in CMOS technology and has a wide operating range of up to 30V.

The working principle of TLC5944RHBT is relatively simple. An external clock signal source is used to control the output of the IC. When the clock signal is low, the LED string is kept in a low-power state. When the clock signal is high, the current of the LED string is regulated. In the regulation stage, the control pin of the IC is pulled low, the control logic is initiated, and the current to the LED string is regulated.The current to the LED string is limited to a maximum value by a sense resistor placed at the output.The IC senses the current and turns off the switch when the current reaches the upper limit. The Device also features a proprietary n-way current sensing technique to ensure uniform current distribution along the LED strings.

The TLC5944RHBT is widely used in LED applications where constant current regulation is required, such as automotive systems and LED lighting control. The device is also used in medical equipment and product assembly lines that require energy efficient LED light sources. The IC is designed with electrostatic discharge (ESD) protection and reverse voltage protection, making it ideal for use in situations where voltage fluctuations and surges are common.

TLC5944RHBT offers some advantages over other LED driver ICs. It has better ESD protection than other ICs, making it more robust and reliable. It also has an operating range of up to 30 Volts, which allows for a wider operating range of LED applications. The integrated charge pump enhances the LED brightness levels, making it ideal for dimmable LED lighting applications. Finally, the IC is integrated with a thermal shutdown protection, which reduces the risk of LED burnout.

The TLC5944RHBT is a versatile LED driver IC that offers great performance and reliability. Its wide operating range and integrated protection features make it an ideal choice for applications that require constant current regulation, such as automotive systems, product assembly lines and LED lighting, making it an important part of many PMIC technologies.

The specific data is subject to PDF, and the above content is for reference

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