MAX6314US25D3+T

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PMIC (Power Management Integrated Circuits) plays an important role in many electronic applications. And Supervisors are one of PMIC which controls and monitors the status of the system. Supervisors are typically used in system reset management, power-on management and out-of-scope voltage monitoring. The MAX6314US25D3+T is a microprocessor reset supervisor which combines a precision voltage window detector with simple reset logic.

The MAX6314US25D3+T, a Reset Supervisor, has an extended operating temperature range of -40°C to +105°C. It can also operate with any supply voltage between 1.8V and 5.5V. The device provides circuit protection to microprocessor-based systems by monitoring the supply voltage and detecting out-of-range conditions. It has a low active-high reset output which does not interfere with other system logic. The reset output is open-drain in order to allow the reset signal to be combined with other microprocessor systems.

The MAX6314US25D3+T application field includes Battery Powered Computers, Automotive, Telecom & Networking, Personal Systems, Medical Systems, and Industrial controllers. It is widely used in applications where the reset capability is needed.

The MAX6314US25D3+T device can provide a wide range of reset operation across multiple voltage requirements. Its input voltage range is independently programmable via a simple resistive network. The device works by monitoring the supply voltage and comparing it to the user-defined voltage thresholds. When the supply voltage either exceeds or drops below the user-defined voltage thresholds, the MAX6314US25D3+T will immediately issue a reset signal.

The reset output pulse width is determined by an external capacitor and the charging current of the capacitor. The external capacitor is used to control the duration of the reset pulse width. The reset output will maintain a low level until the device detects the input voltage has gone above the programmed upper threshold voltage level. The reset duration is typically around 10ms and is programmable by changing the value of the externally connected capacitor.

The MAX6314US25D3+T also has power-fail detection circuitry which can be used to detect a power failure. The power-fail circuit monitors the voltage between VDD and VSS. The power-fail output is an open-drain output that can be used to trigger an external power-fail alert. The power-fail alert can be detected by a microcontroller or microprocessor, and the system can be shut down.

In summary, the MAX6314US25D3+T is a versatile reset supervisor which can provide system reset management, power-on management, and out-of-range voltage monitoring. It has an extended temperature range and multiple programming options. It is suitable for many applications that require a reset supervisor such as Battery Powered Computers, Automotive, Telecom & Networking, Personal systems, and Medical systems.

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