TPS51125RGET Integrated Circuits (ICs)

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The TPS51125RGET is a high-efficiency DCDC switching controller for automotive applications. It is part of the Dual Output Voltage Step-Down Controller family from Texas Instruments. This controller is ideal for applications in the automotive industry such as headlight dimmer control, HVAC, and sunroof applications.

The TPS51125RGET is designed to provide up to 96% efficiency while operating at a fixed frequency of 1.2MHz, allowing for smaller form factor and improved thermal performance. In addition, this controller features integrated line and load regulation, pulse-skipping and burst-mode operation, as well as Gate Drive and PWM features to improve EMI performance. Furthermore, the TPS51125RGET is designed to operate over a wide operating temperature range and under wide input voltage input range which makes it suitable for automotive applications.

This device is offered in a compact 10-pin SOIC-10 package and requires no external components. It also has integrated power switch protection and thermal shutdown which provides robustness and good reliability. It also has protection from overtemperature and overvoltage.

The TPS51125RGET is an ideal for applications such DC/DC step-down, battery charging, secondary power supply in automotive applications. Its wide operating range and integrated protection features makes it very suitable for use in the automotive industry.

The TPS51125RGET works on the basic principles of DC to DC switching. It uses a switching regulator, which switches the input voltages to generate the required output. It works by alternately turning on and off the power switch to allow or prevent current flow, thereby regulating the output voltage. The switching process takes place at a fixed frequency and is regulated to achieve the desired output voltage. This regulator can be used to step down the input voltages to the required output levels.

The TPS51125RGET also features PWM dimming and dimming-at-light-load which are used to generate a smooth light output. The PWM dimming technique allows for a smooth transition between the light and dark states, while the dimming-at-light-load technique adjusts the current to the desired level. This allows for an optimized light output for different momentary lighting needs.

Overall, the TPS51125RGET is an ideal choice for many automotive applications, thanks to its high efficiency, wide operating range, integrated protection features, and pulse-skipping and burst-mode operation. It is a suitable choice for automotive DC/DC step-down, battery charging, and secondary power supply applications.

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