TLC5947RHBT

Voltage - Supply (Max):	5.5V
Base Part Number:	TLC5947
Supplier Device Package:	32-VQFN (5x5)
Package / Case:	32-VFQFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Applications:	Backlight
Dimming:	--
Frequency:	4MHz
Current - Output / Channel:	30mA
Voltage - Output:	30V
Series:	--
Voltage - Supply (Min):	3V
Number of Outputs:	24
Internal Switch(s):	Yes
Topology:	Shift Register
Type:	Linear
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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TLC5947RHBT Application Field and Working Principle

The TLC5947RHBT is a switch-mode LED driver device in the Power Management ICs (PMICs)-LED drivers family. This device is designed to operate in a simple, single-stage configuration which provides seamless and efficient driving of multiple LEDs. It is capable of accepting input voltages ranging from 0V to 24V. The TLC5947RHBT is ubiquitous in various types of LED applications, such as LED backlighting, LED displays, LED signage and automotive applications.The TLC5947RHBT uses an integrated switch-mode converter that is powered by an external voltage source. The switch-mode power supplies used by the TLC5947RHBT provide robust and reliable operation over a wide range of temperatures and input voltages. In addition, the device features current sense and shutdown via integrated current sense comparators. The TLC5947RHBT is designed to be robust and efficient, and it provides a variety of protection features, such as over-temperature, short-circuit and over-voltage protection.The TLC5947RHBT is a monolithic integrated power switching converter, and it includes a high-voltage power MOSFET, voltage and current monitoring and protection circuitry, and thermal management. The device is capable of switching up to 12V of LED current, and it can be configured for buck, boost and flyback LED drivers. It supports both variable frequency and constant frequency operation, allowing for easy and efficient LED lighting control.The TLC5947RHBT can be used for a wide variety of LED applications, such as indoor and outdoor display boards, automotive applications, LED signage and LED strip lighting. It is particularly useful for applications requiring high efficiency and wide input voltage range.The TLC5947RHBT has a simple operating principle: the input voltage is applied to the power switching MOSFET, which switches rapidly to transfer energy from the source to the load. The switching frequency is determined by an external, programmable oscillator, which allows the user to adjust the frequency based on the application needs. The current sense and shutdown signals are generated by comparators that sense the current through the output, allowing for accurate and reliable regulation of the LED current.The TLC5947RHBT is an ideal solution for applications requiring robust, efficient and reliable power management. It provides a wide range of protection features and enables high-efficiency, wide-ranging input-voltage operation. This makes it suitable for applications where power efficiency, high power conversions and reliable operation are desired.

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