MAX16033LLB31+T

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PMIC - Supervisors: MAX16033LLB31+T

The MAX16033LLB31+T belongs to the PMIC - Supervisors family, and is used for low voltage system monitoring in battery- or USB-powered consumer equipment, including notebooks and tablets. The device integrates a range of power management features, such as a high-accuracy voltage monitor, adjustable undervoltage lockout (UVLO) threshold and programmable window watchdog, to protect a system\'s power circuitry and reset the microcontroller during system fault conditions.

Applications

The typical applications of the MAX16033LLB31+T are notebooks, tablet PCs, game consoles and other consumer equipment that require efficient system power management. This device offers tight voltage monitoring accuracy and generous margins throughout the temperature range, providing reliable power supply and reset management without excessive current consumption.

Features

The MAX16033LLB31+T has a low power consumption of 2.4μA (typical) at 5 V; a programmable output threshold voltage range from 0.60 to 4.63 V; tight voltage monitoring accuracy (±1.4% at +25°C); adjustable reset slew rate and window watchdog timeout; manual reset and polarity control input (MR/POL); adjustable UVLO (2.2 to 5.5V); a programmable reset toggle output; and up to four temperature-compensated voltage supervision pins.

Working Principle

The working principle of the MAX16033LLB31+T is simple. It provides a regulated DC voltage to a microcontroller or other device, and monitors the voltage level using an integrated supervisory circuit. If the voltage drops below a preset threshold, the circuit triggers a reset signal, warning the microcontroller of an out-of-tolerance condition and forcing the microcontroller to restart the system. A window-watchdog time-out feature ensures that if the primary reset signal is not acknowledged, the microcontroller will be reset again. The MAX16033LLB31+T also has a programmable reset toggle output for special reset conditions.

Conclusion

The MAX16033LLB31+T is a versatile, low power-consuming PMIC - Supervisors device that provides reliable power supply and reset management, making it an ideal choice for consumer applications that require efficient system power management. Its features including tight voltage monitoring accuracy, adjustable reset slew rate and window-watchdog timeout make this device a powerful and cost-effective solution for many consumer equipment applications.

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