TPS92020D

Voltage - Output:	--
Base Part Number:	TPS92020
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Applications:	Backlight, Lighting
Dimming:	--
Frequency:	--
Current - Output / Channel:	--
Series:	--
Voltage - Supply (Max):	18V
Voltage - Supply (Min):	11.5V
Number of Outputs:	1
Internal Switch(s):	No
Topology:	--
Type:	AC DC Offline Switcher
Part Status:	Active
Packaging:	Tube

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Introduction
The TPS92020D is a product of Texas Instruments, a family of LED driver integrated circuits. It is a high efficiency, low cost LED driver that is used to control LED lighting systems, LED displays and LED backlighting. It is a low voltage operation product that has integrated current setting, low output ripple and low noise current control, making it ideal for use in LED applications. In this article, we will discuss the application field of the TPS92020D and its working principle.
Application Field
The TPS92020D is an LED driver designed for LED lighting applications. It is designed with low voltage operation and has integrated current setting. It is capable of handling multiple input and output LED strings, and can be used for series or parallel LED string configurations. The TPS92020D is ideal for use in LED street lights, LED TV backlighting, LED decorative lighting, LED signage and architectural lighting. It is also suitable for automotive, industrial and home lighting applications. The low ripple current and low noise operation of the TPS92020D make it an excellent choice for LED lighting applications.
Working Principle
The TPS92020D is an integrated circuit that utilizes an internal switching regulator, controlled by an external voltage source, to regulate the combined current of multiple LED strings. The voltage source is determined by the current setting resistor and a capacitive feedback network. This feedback network is responsible for varying the output current based on the voltage at the terminals. The TPS92020D also uses forward protection, reverse protection and peak current limit features to ensure the proper operation of the circuit.In addition, the TPS92020D employs a high-precision current setting resistor to control the switching frequency and output current of the circuit. The output ripple current is further reduced by using a current sensing amplifier, a voltage reference, an error amplifier and a pulse-width modulator to regulate the combined current of the LED strings.Conclusion
The TPS92020D is a low voltage LED driver integrated circuit that is capable of controlling multiple LED strings. It is suitable for LED lighting applications such as street lights, TV backlighting, architectural lighting and home lighting. The TPS92020D has integrated current setting, low output ripple and low noise current control, making it ideal for use in LED applications. In addition, it also utilizes forward protection, reverse protection and peak current limit features to ensure the proper operation of the circuit.   Finally, it is important to note that the TPS92020D is part of the PMIC - LED Drivers family, which is used for providing precise control over the output current and brightness of LED lighting systems.

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