MAX5093AATE+

Introduction

The MAX5093AATE+ is a highly integrated Power Management Integrated Circuit (PMIC) from Maxim Integrated Products. It is intended for use in high-power applications that require a combination of high-voltage linear and switching regulation. It is a unique device which offers a combination of positive-voltage and low-voltage linear regulators, as well as a single-channel low-side P-channel MOSFET for use as a switching regulation. It is suitable for automotive applications that require high-side current sensing and Fault Reporting Capability (FRC) from the output of the PMIC. The MAX5093AATE+ is an especially advanced and cost-effective solution for applications that require both voltage and current regulation.

Application

The MAX5093AATE+ provides a full suite of advanced PMIC features, such as configurable sequencing, monitoring, system power supply voltage protection, and fault management. This makes the MAX5093AATE+ suitable for automotive applications like infotainment, Advanced Driver Assistance System (ADAS), powertrain, driver comfort and convenience, in-vehicle networks, and automotive body electronics. The MAX5093AATE+ can also be used in many other industrial and consumer applications, as well as in medical devices requiring both voltage and current regulation for high-power applications.

Operation Principle

The MAX5093AATE+ performs a combination of high-voltage linear and switching regulation. The high-voltage linear regulator is used to regulate an input voltage (V_IN) to a lower setpoint voltage (V_OUT). The switching regulation is used to regulate an input current (I_IN) to a given current limit (I_LIM). The MAX5093AATE+ offers two high-voltage linear regulators and two low-voltage linear regulators, as well as a single-channel low-side P-channel MOSFET for use as a switching regulator. The high-voltage linear regulators are used to provide V_IN-to-V_OUT conversion, and the low-voltage linear regulators are used to provide V_IN-to-I_LIM conversion. The MOSFET is used to switch the current output to ensure the steady-state and dynamic performance of the voltage and current regulation.

The MAX5093AATE+ uses a proprietary bypassing circuit and advanced compensation and noise reduction circuitry, which reduces idle power dissipation and improves light-load efficiency. It features programmable, adjustable current limit and user-selectable input voltage ranges, as well as overcurrent protection, soft-start, undervoltage lockout, and thermal shutdown. The MAX5093AATE+ also offers fault reporting capability (FRC), which allows it to detect and report any faults that occur on the output of the device.

Conclusion

The MAX5093AATE+ is a highly integrated PMIC from Maxim Integrated Products that combines high-voltage linear and switching regulation. It is suitable for automotive applications that require both voltage and current regulation for high-power applications. It features configurable sequencing, monitoring, system power supply voltage protection, and fault management. It also has advanced bypassing and noise reduction circuitry, as well as programmable, adjustable current limit and user-selectable input voltage ranges. The MAX5093AATE+ is an especially advanced and cost-effective solution for applications that require both voltage and current regulation.