TPS65263-1QRHBTQ1

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The TPS65263-1QRHBTQ1 is a high-performance synchronous buck regulator chip, belonging to the PWM (pulse-width modulation) Dedicated Switching Regulators family. It is designed to provide low cost, high efficiency and high-quality power supply solutions for multiple components and applications. It employs advanced circuit topologies and technologies, with features such as pulse-by-pulse current limit, thermal protection, programmable soft-start and adjustable output voltage.This integrated circuit contains two power switches and two power regulators, which provide and regulate power to any specific application, such as LED lighting systems, microprocessor cores, RF and other applications requiring variable dc-dc power conversion. As a PWM-DC switch regulator, the TPS65263-1QRHBTQ1 presents itself as the optimal solution for providing and ensuring robust, stable, low-noise power supply in multiple components and applications, thus providing better performance and reliability in power conversion.The TPS65263-1QRHBTQ1 application field includes a wide range of consumer, commercial and industrial products, such as lighting systems, metering and instruments, telecommunications, mobile devices, automotive and portable equipment. It can simplify the power supply design process and minimize overall system costs. The TPS65263-1QRHBTQ1 can also provide primary or secondary side pre-regulation of voltages and/or multiple outputs, depending on the output voltage requirements. To provide reliable power conversion, the TPS65263-1QRHBTQ1 works through pulse-by-pulse current limit, adjustable soft-start and thermal protection, thus protecting itself from damage due to a short-circuit, over-current and/or over-temperature conditions. During the burst mode of operation, the TPS65263-1QRHBTQ1 offers less than 10mV ripple and over 15A current capability, with high efficiency and no audible noise.The working principle of the TPS65263-1QRHBTQ1 starts with power input applied to the chip. This power is then regulated by the Pulse-Width Modulation (PWM) circuit, which reduces or increases the voltage by adjusting the duty cycle of the PWM signal and then outputs the regulated voltage. The PWM signal is then amplified through two internal switches, allowing the power to pass on to the load as desired. As the power flows through the switches, it also passes through the internal On-chip Power Controller, which limits the peak current of the application, checks if an external protection circuit has been connected, adjusts the Soft-Start values, and constantly monitors the temperature. This ensures that the power remains stable and reliable, is protected from damage under any situation and finally ensures a safe, efficient, and high quality power supply at all times.

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