MAX16133LFM+T

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The MAX16133LFM+T is a highly-advanced supervisors and power management integrated circuits (PMICs) developed by Maxim Integrated. It integrates three important functions: system reset, power sequencing and monitoring, and electronic fuse in a single chip. In the application field of battery-powered applications and power over Ethernet (PoE) systems, the MAX16133LFM+T can provide the highest level of system protection and power monitoring. Also, the IC provides a wide supply voltage range up to 16.5 V and features excellent ESD, latch-up, and open-drain protections, making it an ideal choice for applications such as servers, tablets, and notebooks.

The system reset function of the MAX16133LFM+T is powered by the internal voltage supervisor microcontroller. It can detect an overvoltage or undervoltage condition and then perform the corresponding reset action. For example, when an overvoltage is detected, the IC can generate a power-on reset signal to initiate the restart of the system. Similarly, when an undervoltage is detected, it can generate a reset signal to shut down the system.

The power sequencing and monitoring function is executed by the MAX16133LFM+T’s active-low reset signal and two programmable low-voltage supervisor (LIVS) inputs. This feature allows the MAX16133LFM+T to protect the application against deep discharging, overcharging, and battery hot-swap. With this function, the user can set specific conditions in order to prevent the application from functioning abnormally when there is a low-power or over-current/voltage/temperature event.

The third function of the MAX16133LFM+T is the electronic fuse. This feature provides a programmable current limit or protection by using a user-specified reference voltage. When the voltage at the current limit input exceeds the reference voltage, the MAX16133LFM+T will shut down the system or isolate the power circuit to prevent further damage. The electronic fuse also provides an overtemperature protection, which can be used to prevent over-heating of the application.

In conclusion, the MAX16133LFM+T is a multi-function PMIC that can protect and monitor power systems in a wide array of applications. Its system reset, power sequencing and monitoring, and electronic fuse features make it an ideal solution for battery-powered applications and PoE systems. The added ESD, latch-up, and open-drain protections make the MAX16133LFM+T a robust and reliable choice for a variety of applications.

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