TPS54140ADGQ

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TPS54140ADGQ is a synchronous DC-DC step-down regulator, which is suitable for automotive applications. It provides integrated high-side and low-side MOSFETs, high-accuracy current-mode control, accurate current regulation, and fast transient response. More specifically, the device is a high-frequency synchronous buck regulator that can deliver 2A of output current from a 4.5V to 42V input voltage range.

The TPS54140ADGQ is optimized for fast transient response and can support high-efficiency operations over a wide range of load and line conditions. The device also has integrated thermal foldback protection, output voltage reset functions, and operates from ultra-low input voltages. It provides a large power-down margin, low external component count, and easy layout due to its flexible pinout. It can also be used with external power transistors, making it suitable for a wide range of applications.

The TPS54140ADGQ is an ideal solution for automotive applications that require high efficiency and fast transient response. Examples include DC-DC converters, battery chargers, power supplies, and power controllers. The device is also suitable for LED applications, embedded systems, and portable applications that require a high-efficiency, low-noise power solution.

The TPS54140ADGQ is incorporated with a voltage regulator architecture that includes both high-side and low-side power MOSFETs, as well as current-mode control. This enables high-accuracy current regulation and quicker transient responses. The device is also equipped with a PWM-to-PFM converter by which it will switch the PWM mode at light loads. The device also utilizes a dedicated power-down input pin, which reduces power dissipation when cutting load current.

In addition, the TPS54140ADGQ provides other features such as over-voltage protection, thermal foldback, and short-circuit protection. These features work together to protect the device from potential voltage, current, and temperature problems. The device also offers noise-free shutdown when input voltages are below a specific threshold.

Overall, the TPS54140ADGQ is a highly integrated device designed for automotive applications. It features high-efficiency operating modes, fast transient response, and temperature and over-voltage protection. It is also suitable for a wide range of applications, including DC-DC converters, battery chargers, power supplies, power controllers, LED applications, embedded systems, and portable devices.

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