MAX6364HUT44-T

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Power management integrated circuits (PMICs) are electronic devices used to manage power in a wide range of applications from mobile phones to servers. PMICs are used to monitor battery voltage, current, temperature, and other parameters and to control power regulation and switching. PMICs also perform other operations such as analog-to-digital conversion, voltage regulation, and voltage scaling. One popular type of PMIC is the Supervisors, used to protect circuitry from dangerous operating conditions and runaway.The MAX6364HUT44-T is a quad supervisor IC specifically designed for applications such as PCs, handhelds, cell phones, and consumer devices. The device monitors up to 4 power supplies and provides four voltage-reset outputs that can be used to assert a reset when any of the monitored supplies drops below a user-specified reset threshold. The input voltage range is 2.2V to 5.5V and the reset threshold is adjustable from 2V to 5V. The reset output is active low and has a timeout period of 0.125 to 8.0ms.The MAX6364HUT44-T works by continuously monitoring four inputs. The voltage at each input is compared to the set reset threshold and if the voltage falls below the reset threshold, a reset pulse is generated at the corresponding output. The reset pulse is active low and has a configurable timeout period that acts as a reset timeout so that if the voltage remains below the reset threshold, the output will remain low. This prevents erratic behavior from the supervisor due to rapid changes in voltage.The device also includes a watchdog timer that can be used to reset the system in the event that the system hangs or fails for any reason. The watchdog timer can be programmed to timeout after a user-specified duration between 1ms to 8.192s. If the watchdog timer is not reset before the timeout period elapses, a reset pulse is generated at the watchdog output that can be used to reset the system.The MAX6364HUT44-T also includes a section for voltage supervisory functions. The inputs monitor voltages between 1.7V and 5.5V, and the reset threshold is adjustable between 0.5V and 5.0V. If any monitored voltage drops below the specified reset threshold, the corresponding reset output will be asserted. The output can be configured to either stay asserted, toggle, or de-assert after a user-specified delay.The MAX6364HUT44-T is primarily used in communication platforms, tablets, wearables, and other applications where power supply monitoring and protection is essential. The adjustable reset threshold and timeout period provide flexibility in designing systems with a wide range of operating profiles. The watchdog timer also ensures system reliability and fault-tolerance in the event of a system shutdown or hang.In summary, the MAX6364HUT44-T is a quad power-supply supervisor IC designed for applications such as PCs, cell phones, and consumer devices. The device continuously monitors four inputs and provides four voltage-reset outputs to protect circuitry from dangerous operating conditions. The device also includes a watchdog timer and a section for voltage supervisory functions for greater accuracy and reliability. The adjustable reset threshold and timeout period provide flexibility in designing systems with a wide range of operating profiles. The device is a great choice for applications that require reliable power supply monitoring and fault-tolerance.

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