TLE73683EXUMA2 Integrated Circuits (ICs)

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The TLE73683EXUMA2 is a multi-channel automotive voltage regulator with a fractional multiplier architecture and an on-chip digital transformation controller. It is an integrated voltage regulator with both current mode (step-down) and voltage mode (step-up/step-down) functions designed to regulate currents up to 14A, with a wide range of power output levels.

The TLE73683EXUMA2 is specially designed for automotive applications such as cooling fans, power steering, and interior/exterior lighting systems. It features an advanced programmable voltage regulator, with internal and external sensing, comprehensive short-circuit protection, and a 2-pin DALI and PWM interface for remote control.

Working Principle

The TLE73683EXUMA2 incorporates a unique fractional multiplier architecture that gives a greater flexibility in turning the output voltage of the regulator by varying the control logic and digital feedback loop. It is also able to regulate not only the load current, but also the on-time of the switching power stage.

In this way, the device can maintain a preset output voltage, while sensing and adjusting the output current according to the load demand. The output voltage can be set using the onboard resistive voltage divider. The output voltage level can be adjusted easily through fine tunning, depending on the application.

The device also incorporates a 5-bit digital rotary encoder for remote control of the voltage settings, providing an additional layer of flexibility for the user. The device can be programmed from a distance, making it ideal for automotive applications.

The TLE73683EXUMA2 is protected against overload and excessive temperature, ensuring that the voltage regulator can maintain safe operating temperatures even at high loads. It also includes advanced protection features such as over-voltage protection, over-current protection, and short-circuit protection, which prevent damage to the system.

Applications

The TLE73683EXUMA2 is designed for automotive applications, such as cooling fans, power steering, and interior/exterior lighting systems. It can be used to regulate the output power of a system, to manage the voltage output and prevent against overload. It can be used in both standard and high-power systems, due to its high power ratings and wide range of output voltages.

The device can also be used for other applications, such as DC-to-DC power converters, and intelligent displays. It is also well suited for use in electric and hybrid vehicles, as it can provide a robust and accurate regulation and power management solution while helping reduce overall system power consumption.

Conclusion

The TLE73683EXUMA2 is a powerful and versatile automotive voltage regulator with a unique fractional multiplier architecture and an on-chip digital transformation controller. It is ideal for a wide range of applications, from cooling fans and power steering to electric and hybrid vehicles. It is also well protected against overload and excessive temperature, ensuring reliable power output with comprehensive system protection.

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