TLE8880TN2AKSA1

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The TLE8880TN2AKSA1 voltage regulator is an integrated circuit chip that helps in providing precise regulation of a voltage rail. It is a special purpose PMIC (power management integrated circuit) that ensures stable and power efficient regulation of the given voltage rail. The device finds widespread applications in charging circuits, automotive electronics, and industrial control systems. In this article, we will discuss the application fields and working principle of the device.

Application Fields

The TLE8880TN2AKSA1 voltage regulator is a dedicated automotive power management IC designed to control regulated power rails in the circuit. Owing to its wide input voltage range, it is suitable for efficient power management in automotive and industrial control systems. It has a typical junction-to-case voltage drop of 1.6 V and is galvanically isolated from its input and output stages. This makes it ideal for powering various low-voltage 5 V and 3.3 V microcontrollers and peripherals in automotive systems.

The device also finds application in battery charging circuits for charging lead-acid and Li-ion battery packs as it offers a low thermal resistance of 1.3 °C/W. Its wide input voltage range of 5 V to 30 V makes it ideal for a variety of automotive and industrial applications. It can also be used to power digital control systems and servo motors in industrial applications.

Working Principle

The TLE8880TN2AKSA1 voltage regulator operates by regulating the input power supply and providing a safe and constant output voltage. The device uses a PWM (pulse size modulation) control mechanism to regulate the input voltage, through a pair of power transistors controlled by a dedicated feedback loop. The output voltage of the device can be adjusted over a wide range of values by simply changing the bias voltage.

When the input voltage exceeds the upper threshold of the device, the error amplifier triggers the power transistors through a pulse size modulation technique and reduces the input voltage to the required levels. As the device does not have any current limiting feature, a maximum current sense resistor should be connected in series with the power switch to limit the current.

Conclusion

In conclusion, the TLE8880TN2AKSA1 voltage regulator is a special purpose PMIC that provides precise regulation of a voltage rail in automotive, industrial, and battery charging circuits. The device combines a high accuracy, low thermal resistance, wide input voltage range, and low voltage drop for efficient power management. It operates by regulating the incoming power supply and providing a stable and constant output voltage using a PWM control mechanism.

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