TPS53219ARGTR

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TPS53219ARGTR is a high frequency step-down DC/DC converter controller designed for very small, low-output voltage DC/DC applications. It primarily supports single-phase, synchronous or non-synchronous rectification, constant frequency PWM current-mode control with adjustable switching frequency, soft-start and an integrated over-current protection. Furthermore, the TPS53219ARGTR offers adjustable operating frequency up to 6 MHz, allowing users to optimize the size and efficiency of their designs.

This TPS53219ARGTR DC/DC converter bridges the gap between traditional low-voltage buck regulators and high-frequency DC/DC converters. It is a cost effective solution that can provide efficient power conversion and superior performance while enabling smaller form factor designs, especially in compact The battery powered applications and low thermal design.

The TPS53219ARGTR application field includes automotive, laptop, communications, consumer, industrial and portable applications that require a low two phase input voltage, low output current and low output voltage. It is ideal for automotive CAN Bus applications for backlighting, motor control, and other low power voltage regulation needs.

Several features of TPS53219ARGTR make it one of the most applicable devices in the field of DC/DC switching controllers. These features include its adjustable switching frequency, its low quiescent current output and the presence of an overall shutdown feature. In addition, the device supports adjustable over-current protection (OCP) up to 6 A, providing maximum protection of the system by limiting the current below the specified set point.

The working principle of TPS53219ARGTR is based on synchronous rectification, PWM control, and an adjustable current-mode control scheme. It adopts a single switch connection topology, which requires fewer components and leads to quicker power delivery compared to the other DC/DC switching controllers. The device uses a PWM duty cycle to adjust the amount of current provided to the load. This duty cycle increases or decreases based on the feedback signal to ensure that the target output voltage is maintained over a wide range of load conditions.

To ensure that the device operates over wide input andoutput voltage ranges, the TPS53219ARGTR\'s conductionand switching loss protection feature monitors the input andoutput voltage levels. This feature can dynamically limit themaximum duty cycle when loss conditions are detected andautomatically switch the device to a low-power standby mode,allowing the device to achieve high efficiency.

Additionally, the TPS53219ARGTR has an internal soft-start function that can gradually increase the output voltage to its set target while protecting the load from voltage over-shoots during start-up. This feature helps minimize the inrush current and reduce the inrush current consumed by the system, resulting in better overall system performance.

Overall, the TPS53219ARGTR is a DC/DC converter in the PMIC - Voltage Regulators - DC DC Switching Controllers category. It is designed for fast and efficient DC/DC conversion of low output current, low output voltage and low two phase input voltage applications. It offers adjustable operating frequency up to 6 MHz, adjustable soft-start, integrated over-current protection, PWM current-mode control, synchronous or non-synchronous rectification, and conduction and switching loss protection features. Thanks to these features, TPS53219ARGTR is an optimal solution for automotive, laptop, communications, consumer, industrial and portable markets.

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