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PMIC - Supervisors

MAX6865UK36D3L+T is a member of a family of low-voltage supervisor circuits with a precision reset timer, an acceptable reset timeout, and an adjustable reset threshold voltage. By monitoring system voltage, the circuit provides an output to reset the system when the voltage falls outside the setpoint range.

Application field

MAX6865UK36D3L+T can be used in a variety of applications, including microcontrollers, logic circuits, communication systems, networks, automotive electronics, battery technology, safety-critical systems, and medical devices. Its features can be adapted to the requirements of a wide range of applications.

Its low-voltage reset capabilities make it suitable for microprocessor-based systems with input voltages down to 1.4V. Its small 8-pin package reduces board-space requirements, making it suitable for use in space-conscious designs.

Its precision reset timing and adjustable reset threshold voltage ensure that the processor or MCU can be safely reset in the event of a fault or power failure, thus ensuring system reliability.

Working principle

The MAX6865UK36D3L+T uses a voltage supervisor circuit to monitor the accuracy of the power supply voltage, and a precision-timed reset output to control resetting.

The reset threshold is set via an external resistor and can be adjusted to support a variety of supply voltage ranges. When the power supply voltage drops below the set threshold, the MAX6865UK36D3L+T produces a reset pulse. The width of the reset pulse is adjustable to accommodate the needs of different applications.

In addition to its supervisor functions, the MAX6865UK36D3L+T offers a brownout detection feature that detects when the supply voltage drops below a preset level and can be used to protect the system from damage due to over voltage.

The MAX6865UK36D3L+T also contains an active low-leakage current pin that enables the circuit to be enabled or disabled from the system controller, allowing the system to be powered down under certain conditions.

By monitoring the accuracy of the supply voltage and providing a precise reset output, the MAX6865UK36D3L+T ensures a reliable, accurate system performance.

Conclusion

The MAX6865UK36D3L+T is a low-voltage supervisor circuit with a precision reset timer and adjustable reset threshold voltage. Its low-voltage reset capabilities make it suitable for microprocessor-based systems with input voltages down to 1.4V. Its precision reset timing and adjustable reset threshold voltage ensure that the processor or MCU can be safely reset in the event of a fault or power failure and its small 8-pin package reduces board-space requirements, making it suitable for use in space-conscious designs.

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