MAX6467XS25D3+T

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Power management integrated circuits (PMICs) are designed to provide power management solutions to a wide variety of applications. PMICs typically combine multiple regulator and supervisor functions into a single package to reduce solution size and cost. The MAX6467XS25D3+T is a 3.3V supervisor IC with internal voltage references, precision reset timers, and open drain reset signals.

The MAX6467XS25D3+T application field and working principle can be divided into two parts: power monitoring and system reset. Power monitoring provides information about the power supply voltage to other supervisor functions, such as resetting the system. System reset is used to reset the system when a particular condition is detected. To provide reliable system reset function, the MAX6467XS25D3+T has overvoltage, undervoltage, and power-on reset (POR) detection circuits. Additionally, it has an adjustable reset threshold and reset timeout period.

The MAX6467XS25D3+T has an integrated low drop-out (LDO) voltage regulator, which can be configured to provide an adjustable output voltage range from 2.2V to 3.6V. The LDO regulator features low long-term output voltage drift, reverse current protection, and over-current protection. The MAX6467XS25D3+T also provides an active-high open drain RESET pin to indicate power-on reset status. The RESET pin can be disabled if the system has a reset logic that does not require external reset signals.

Apart from power monitoring and system reset, the MAX6467XS25D3+T provides other features that simplify system design and power management. These features include adjustable low voltage and low battery detect thresholds, manual reset input and watchdog timer input, thermal shut-down protection, power supply filter, adjustable delay time, and brownout protection. All these features combine to make the MAX6467XS25D3+T an ideal power supervisor IC for a variety of applications.

The MAX6467XS25D3+T is suitable for applications where reliable system-level monitoring and power management is required. It can be used in medical and industrial systems, as well as in automotive, consumer, computing, and communications systems. In these applications, the MAX6467XS25D3+T can be used to detect any anomalies in the power supply voltage and take corrective action if needed. Additionally, it can be used to protect electronic systems from power supply voltages that are too high or too low.

In conclusion, the MAX6467XS25D3+T is an ideal IC for power monitoring and system-level reset functions. Its integrated low drop-out voltage regulator, adjustable reset threshold, adjustable delay time, and other features make it a versatile power supervisor IC suitable for a variety of applications.

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