TPS60255RTET Integrated Circuits (ICs)

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PMIC - LED Drivers are an important component of the semiconductor industry. These components enable us to control the current and voltage flows that power light emitting diodes (LEDs) and other lighting applications. The TPS60255RTET is a highly efficient, cost-effective, multi-channel, low-profile, multi-topology power management IC (PMIC) that can be used to power and regulate the current in a wide range of lighting applications, including but not limited to LED arrays, automotive lighting, and general lighting applications.

The TPS60255RTET is a high-efficiency, low-profile in-line switch mode power supply (SMPS) that provides up to 10 A peak output current and can operate at a switch frequency of 2 MHz. The TPS60255RTET is designed to efficiently (up to 95%) control the current in LED arrays with up to 1 Ohm in series LED resistance, with output voltages ranging from 1.4V to 25V. The IC also has an adjustable output current limit and output current stability, which is important for applications such as automotive and general lighting, that require certain degrees of brightness for longer periods of time.

The TPS60255RTET has a variety of features that make it suited for lighting applications in a wide range of environments. It has integrated short-circuit, over-temperature, and over-voltage protections, allowing it to operate safely. The IC also features an adjustable output voltage range and a programmable soft-start time, allowing the IC to be tuned to a specific application. In addition, the IC includes a programmable LED driver that is capable of providing up to 10 A peak output current, allowing for more efficient delivery of current and a longer operational life of LEDs.

The TPS60255RTET is designed to operate over an input voltage range of 5.5V to 36V and can accept both AC and DC power sources. The switch output frequency is adjustable from 200 kHz to 2 MHz, allowing for maximum control of current and heat dissipation. The IC is also capable of automatically detecting the voltage of the power source and regulating the current flows accordingly, allowing for a highly efficient and reliable operation of the system.

The main working principle of the TPS60255RTET is based on an internal oscillator and a switched-mode topology. This topology consists of an internal power switch, an inductor and a diode that are connected in series between the input and output terminals. The switch is controlled by the oscillator, which generates a periodic on-off switching signal. During the on time of the oscillator, the switch conducts current to the output terminal and the inductor stores energy. During the off time of the oscillator, the switch is opened and the stored energy of the inductor is released to the output terminal. This cycle is repeated every cycle of the oscillator, resulting in a regulated output voltage.

The TPS60255RTET offers many advantages for LED drivers and lighting applications. It is a low-profile in-line SMPS that provides efficient current control and voltage stabilization for LED drivers. The on-chip protection function and programmable LED driver make it reliable for various applications. Its wide input and adjustable frequency ranges make it an ideal solution for LED array applications. In addition, the IC is easy to use and requires no additional external components, making it an ideal choice for a variety of applications.

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