MAX16907SATE/V+

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MAX16907SATE/V+ Application Fields and Working Principle

The MAX16907SATE/V+ is an advanced power management integrated circuit (PMIC) from Maxim Integrated, with integrated voltage-mode step-up controllers and high-side current-sense switches, integrated dual-mode inductor current limit protection, and low-side under-voltage lockout. This integrated circuit is part of the PMIC voltage regulator family and is classified under DC-DC switching regulators. In this article, we will explain the application fields and the working principle of the MAX16907SATE/V+.

Application Fields of MAX16907SATE/V+

The MAX16907SATE/V+ is designed to enable the efficient power conversion of a wide range of applications requiring high levels of integration and good efficiency even at low power settings. The PMIC\'s performance has been optimized to provide integrated voltage-mode switching and a multi-level inductor current limit protection with both feed-forward and sensing inputs for enhanced dynamic performance. Suitable for both single-cell and dual-cell input sources, the PMIC can be used in a wide range of applications such as cellular phones, handheld devices, automotive systems, GPS receivers, and other battery powered applications.

Working Principle of the MAX16907SATE/V+

The MAX16907SATE/V+ is a boost converter that works by taking energy stored in an inductor and converting it into a higher voltage. Its circuit operates on two principles, namely, inductor-current sensing and voltage conversion. The so-called inductor-current sensing mechanism tracks the inductor current and sets the upper limit for the current with its dual-mode inductor current limit protection. The second principle, voltage conversion, is done by the integrated voltage-mode step-up controllers: via a LC filter network with an inductor, capacitor and diode, voltage comes out at a higher level than the input voltage.

The MAX16907SATE/V+ offers high-speed loop compensation for improved dynamic performance, low-dropout linear regulators (LDOs) for regulating multiple auxiliary supplies, and a number of other features, such as adjustable soft-start and a shutdown mode. The circuit also contains protection features, in order to protect the system against inrush current, overvoltage, and overtemperature.

Conclusion

In conclusion, the MAX16907SATE/V+ PMIC is a highly integrated DC-DC switching regulator, optimized for building efficient power conversion applications. The PMIC benefits from its integrated voltage-mode step-up controllers, high-side current-sense switches, dual-mode inductor current limit protection, and low-side under-voltage lockout. This integrated circuit is suitable for both single-cell and dual-cell input sources and is easily suitable for a wide range of applications, such as cellular phones, automotive systems, GPS receivers, and other battery powered devices.

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