MAX16090UK16FDB+T

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The MAX16090UK16FDB+T is an Application Specific Power Management (APM) integrated circuit from very capable semiconductor design company MAXIM Integrated Products, Inc. It serves as a hybrid power supply supervisor (PSS) specifically designed to integrate both positive and negative VPWR power supply monitoring and step-down voltage regulation in one package. The MAX16090UK16FDB+T incorporates an I2C/SMBus interface, 256 sub-circuit steps as well as integrated linear and switched regulators. It has many distinct advantages including an integrated linear and switching regulator controller, ultra-low power requirements, adjustable voltage setting, and built-in sequencing. Its primary application field is to replace multiple power supply ICs and reduce board overhead, while providing reliable power-up and power-down sequencing.

The MAX16090UK16FDB+T is a “hybrid” power supply supervisor which provides both positive and negative VPWR power supply monitoring. It incorporates an I2C or SMBus interface to support a broad range of applications. 256 voltage steps are available for linear and switched regulators. The integrated linear and switching regulator controller provides dynamic power management and smoothly transitions the system from power-up to power-down states. The low current requirements of less than 1uA make it an ideal solution for low power and low power overhead applications. Additionally, an adjustable voltage setting for both linear and switching regulators is available for fine-tuned voltage control.

The MAX16090UK16FDB+T also offers a built-in sequencing capability. When the device is powered up, the sequence begins with the PON bit, where it holds the PWRON pin low and places the I2C/SMBus pins into their known states. The controller then releases the VPWR rail and blanks the feedback until the proper voltage is achieved, sequencing the linear and switching regulators in the proper order. This ensures that when the device is first powered on, the internal linear and switched regulators are brought up in a controlled and safe way. When powering down, the MAX16090UK16FDB+T follows a similar sequence for safe removal of power.

The MAX16090UK16FDB+T is an ideal choice for a multitude of applications. It can be used to replace multiple power supply ICs and reduce board overhead while providing reliable power-up and power-down sequencing. Its low power requirements and adjustable voltage setting make it a cost effective and energy efficient solution for space-constrained applications. The MAX16090UK16FDB+T’s integrated linear and switching regulators provide dynamic power management and the built-in sequencing ensures safe, controlled power-up and power-down transitions.

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