MAX17088ETX+

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The MAX17088ETX+ is an advanced power management IC (PMIC) that provides regulated output voltages for powering system-on-chip (SoC) and other low-power processors and memory. It offers a wide range of functions, enabling users to tailor the system for their specific application needs. This article will provide an overview of the MAX17088ETX+ application field and its working principle.

Features and Benefits

The MAX17088ETX+ features an adjustable 0.8V to 3V dual-output linear regulator and an adjustable 1.8V to 3.3V buck switching regulator. The smart power management of the chip automatically selects the most power efficient mode to best fit the current application load conditions. It also provides system power monitoring, thermal protection and over-current protection for both regulators. The device is designed for use in applications that require low power dissipation, such as connected applications (IoT) and portable electronics.

The MAX17088ETX+ also provides two integrated buck switches, each with an adjustable voltage range of 0.9V to 5V. The buck switches are primarily used to power FPGAs, ASICs and cameras. Additionally, they support voltage scaling, power sequencing and sequencing timing, protection against faults and battery draining and adjustable current limiting.

Other features of the MAX17088ETX+ include a PMBus I2C interface and an integrated intelligent reset controller (IRC), which can detect a wide range of reset conditions, including brown-out, power-on, power-off and thermal limit. The device also provides system power monitoring, temperature sensing and dynamic phase migration support.

Working Principle

The MAX17088ETX+ regulates output voltages by converting a fixed or adjustable input voltage into desired output voltage. It does this through the use of PWM (pulse width modulation) or linear voltage regulation techniques. PWM technique converts the input voltage into pulse signals of varying pulse widths which, when averaged out, produces the desired output voltage. In linear voltage regulation, the chip sets the pass device\'s operational point such that it delivered the desired output voltage.

The MAX17088ETX+ provides multiple power-saving features such as dynamic voltage scaling and load line calibration. Dynamic voltage scaling allows the chip to adjust the output voltage based on the application\'s need, reducing power consumption. Also, load line calibration feature provides a more precise setting of output voltage as it adjusts the output voltage while compensating for the effect of load on the power source.

The MAX17088ETX+ also features an integrated intelligent reset controller (IRC). IRC monitors a variety of reset conditions, including brown-out, power-on, power-off and thermal limit. It also supports voltage sensing, power sequencing and timing, protection against faults and battery draining.

Besides the integrated IRC, MAX17088ETX+ also provides a broad portfolio of other system power monitoring functions including power-on reset, voltage scaling, power sequencing, current limiting, over-voltage protection and temperature sensing. This allows the chip to take corrective action in case of any misbehaving or fault conditions.

Conclusion

The MAX17088ETX+ is an advanced power management IC (PMIC) that provides regulated output voltages for powering SoC and other low-power devices. It offers a wide range of features, including adjustable 0.8V to 3V dual-output linear regulator, adjustable 1.8V to 3.3V buck switching regulator and two integrated buck switches, each with an adjustable voltage range of 0.9V to 5V. It is designed for low power dissipation applications such as connected and portable electronics. Additionally, it provides system power monitoring, thermal protection, dynamic voltage scaling and load line calibration, protection against faults and battery draining, and power sequencing and timing.

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