ADM7154ACPZ-1.2-R7

PMIC (Power Management Integrated Circuit) is a key component in the power system design of electronic equipment. It is widely used in a variety of electronic devices such as home appliances, mobile phones, personal computers, automobiles and other applications. For example, battery charging, low noise power management, logic power control, etc. are widely used PMICs.

Voltage regulators are widely used in current electronic equipment. They help to adjust the output voltage, current and frequency of electronic components or power supply to ensure reliable operation of electronic equipment. Linear voltage regulators are one of the three major types of voltage regulators and are used in different scenarios. This article mainly introduces the application field and working principle of ADM7154ACPZ-1.2-R7 linear voltage regulator.

ADM7154ACPZ-1.2-R7 Application Field

ADM7154ACPZ-1.2-R7 is a linear voltage regulator with an output voltage of 1.2V and an additional status flag terminal voltage of 1.15V. Its output is capable of sourcing up to 500mA and sinking up to 100mA of current. It integrates many features into a single package, such as over-current protection, reverse polarity protection, adjustable voltage output and short-circuit protection. Due to its wide output voltage range and powerful drive capability, it is suitable for a wide range of applications.

ADM7154ACPZ-1.2-R7 is mainly used as a power supply solution for a variety of embedded MCU, DSP and FPGA systems, and can also be used to power other components in power system design, especially in parts of some industrial control and communication systems, such as battery management systems, safety systems, medical systems, etc. These systems must ensure that the power supply is stable and reliable.

ADM7154ACPZ-1.2-R7 Working Principle

ADM7154ACPZ-1.2-R7 is a single-chip voltage regulation device with an output voltage of 1.2V and an accuracy of ±1.0%. Its integrated over-current protection and reverse battery protection circuitry can protect the component from overload conditions and reverse connections, and its short-circuit protection circuit can protect the component from short-circuit conditions. It also features an adjustable voltage, making it suitable for a variety of systems.

ADM7154ACPZ-1.2-R7 uses an internal reference voltage to guarantee the accuracy of the output voltage. Both negative and positive feedback are applied in its working principle, and the reference voltage, current and output voltage are compared with each other in the feedback loop. The comparison generates an error signal, which is then fed back to the output signal and the adjustment signal is used to control the output voltage.

The external components will form a typical LC low-pass filter circuit to improve the signal-to-noise ratio and reduce electromagnetic interference. As long as the external environment has enough circulation, the working current of this linear voltage regulator can be controlled in theMicroampere range to achieve ultra-low power consumption.

Conclusion

ADM7154ACPZ-1.2-R7 is a linear voltage regulator with a wide range of applications. It has a wide output voltage range and powerful current drive capability, which is used for battery management systems, reversing protection, short-circuit protection, adjustable voltage output, etc. In its working principle, the internal reference voltage and negative and positive feedbacks are applied to generate the correction signal to control the output voltage.