MAX8214BESE+

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Integrated circuits and circuit designs have become a key component of many electronic applications in the modern world. As a result, manufacturers have strived to integrate many components into small, powerful and energy efficient circuits, such as the MAX8214BESE+.

The MAX8214BESE+ is a versatile circuit integrated device, providing a range of protective, monitoring and control functions. As one of the widely used power management integrated circuits (PMIC), it helps to improve the reliability and performance of powered devices. Primarily it falls within the family of supervisory circuits, since the primary purpose is to monitor and actively respond to circuit status in order to optimise operation.

Application Field

The MAX8214BESE+ is designed primarily for low power monitoring and protection in battery-powered applications, such as personal media players, cellular phones, GPS navigation systems and even computers. In addition, it can be used for industrial and medical applications, where a low power supervisor is a must.

The device consists of several integrated functions such as voltage monitors, bidirectional logic interfaces and digital logic output. The voltage monitor includes a windowed reset generator, a reset generator and an overvoltage detector. The bidirectional logic interface provides the proper handshake between the application and the MAX8214BESE+. The digital logo output makes it easier to determine the status of the circuit under its protection.

Working Principle

The MAX8214BESE+ utilizes an on-chip 2.5V voltage detector and a 5V comparator. Voltage out of the range of 1.8V to 5.5V can be monitored for manual or automatic reset, depending on the setting of the reset timers and the need for maximum control. The reset timers allows the voltage to be monitored from 1 second to 8 seconds before triggering a reset.

The bidirectional logic interface is a two-line logic level shifter combination. This allows for different logic levels of the application to be accessed without having to manually modify the logic design. It is useful for applications where microcontroller interface communication is desired.

The digital logic output works in conjunction with the voltage detector, comparator and logic interface. It allows the system to be monitored at any point in time, alerting the user when critical voltages are exceeded. It also allows for manual selection of the reset timer, and can provide additional protection such as short circuit protection, over voltage protection and reverse voltage protection.

The MAX8214BESE+ can be used in low power applications that require monitoring and protection. It is widely used in battery-powered applications, industrial and medical applications, because of its low power and high reliability.

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