MAX6461XR29+T Integrated Circuits (ICs)

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A power management integrated circuit (PMIC) or platform manage controller (PMC) is a dedicated integrated circuit which configures, monitors, and distributes electrical power in a computer system, generally by way of integrated circuits. The term refers to integrated circuit components which provide various power management functions such as voltage converters and regulators, switching power supplies, and power voltage supervisors. In particular, the MAX6461XR29+T is a low voltage supervisor designed to monitor a power supply coming from a low voltage bus in a system on a chip (SoC).

The MAX6461XR29+T is widely used in applications such as microprocessors, microcontrollers, field-programmable gate arrays (FPGAs), digital signal processors (DSPs), memories, and analog-to-digital converters (ADCs). It is also suitable for use in embedded systems and peripherals. It provides a cost-effective and reliable solution for monitoring power supply voltage in embedded systems.

The MAX6461XR29+T comes in a tiny 6-pin surface mount package, making it ideal for space-constrained designs. It features a 2.85 to 5.5V operating voltage range and a 0.8V to 5.5V supply voltage range. The shutdown input is a logic-low enable/disable pin which can be used for power sequencing or disabling the circuit in order to save power. The device also offers a low power-on reset voltage of 4.2V. It has an enable/disable logic pin which allows the user to control the status of the output and the power-on-reset transition.

The MAX6461XR29+T has an active-low push-pull RESET output, which is asserted low when the power supply voltage falls below the VLTH threshold. This allows the user to reset the system in case of critical power supply conditions. The device can also be used to detect and identify power supply glitches that can cause a system crash or malfunction. The output of the RESET pin is actively pulled low when the power supply voltage falls below the VLTH level, and is released when the voltage reaches the VLTR level. The user can customize the delay between the assertion and release of the RESET output using the programmable delay feature.

The MAX6461XR29+T has a wide range of features which make it well suited for embedded systems. It offers a soft start feature which gradually ramps up the power supply voltage, ensuring that the system does not suffer from sudden power surges. It also provides a power supply fault and warning detection feature, which triggers an interrupt when a predefined voltage level is detected. This feature can be used to alert a microcontroller to take corrective action in the event of a power supply fault.

In addition, the MAX6461XR29+T provides advanced features such as temperature and supply voltage monitoring, as well as UVLO (under-voltage lockout) protection. This ensures that the device is protected against temperature and voltage extremes, while also ensuring that under-voltage conditions do not cause a system crash. The MAX6461XR29+T also comes with a watchdog timer, allowing the user to detect faults and take corrective action before the system crashes.

The MAX6461XR29+T is a highly versatile power management solution for embedded systems. Its advanced features and wide range of application possibilities make it an ideal choice for a variety of applications. Its low power-on reset voltage of 4.2V, as well as its UVLO and temperature management features, make it a robust and reliable power management solution.

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