TLVH431AQLPR

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Power management IC (PMIC) is a crucial component for enabling many products to operate as expected. The TLVH431AQLPR is a specific type of PMIC, known as a voltage reference, used to continuously regulate output or input voltage. It efficiently conserves the consumed energy while regulating the signal power. This article will explain the application field and working principle of the TLVH431AQLPR voltage reference.

Application Fields of TLVH431AQLPR Voltage Reference

The TLVH431AQLPR voltage reference can be employed in various machines and electronic equipment, ranging from general-purpose industrial to automotive applications. It can be used as a power supply for data acquisition circuits, low power radios, and motor-driven controllers. Its low consumption of quiescent current makes it suitable for applications with limited power consumption.

The TLVH431AQLPR is especially suitable for automotive applications. Its high precision and thermal stability makes it capable of withstanding extreme temperature fluctuations. Moreover, it has a wide voltage range, making it suitable for situations where the input voltage is slightly higher or lower than the desired output. The TLVH431AQLPR is also resistant to short-circuit and over-voltage conditions, making it suitable for use in harsh environmental conditions.

Working Principle of TLVH431AQLPR Voltage Reference

The TLVH431AQLPR voltage reference found in automotive applications includes a resistor-divider, a high-frequency oscillator and an amplifier. The resistor-divider network is connected to the supply voltage, which is then divided into different parts, depending on the resistance. This divided voltage is then transferred to the oscillator, which produces a high-frequency signal. This signal is then sent to the amplifier, which produces a stable output voltage.

This output obtained after amplification is connected to the output voltage as a reference. This reference voltage is then compared to the supply voltage using a voltage comparator. The output of the comparator is used to adjust the output voltage. If the supply voltage becomes lower or higher than the reference, the output of the comparator will be modified accordingly, and the output voltage is adjusted accordingly.

The TLVH431AQLPR voltage reference is equipped with a hysteresis feature, which helps reduce the output noise. This feature triggers a rapid switching of the output voltage and helps keep the output stable. This is especially beneficial for automotive applications, as it helps keep the output in a steady state, regardless of small changes in the supply voltage.

Conclusion

The TLVH431AQLPR is a power management IC for regulating output or input voltage. This voltage reference can be employed in various machines and electronic equipment, ranging from general-purpose industrial to automotive applications. The working principle of the TLVH431AQLPR voltage reference involves the use of a resistor-divider, high-frequency oscillator, amplifier and voltage comparator, which helps keep the output voltage stable. The hysteresis feature reduces the output noise and helps keep the output stable in extreme conditions.

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