MAX6888IETE+

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Power management integrated circuits (PMICs), especially supervisors, are a very important component in mobile phone, networking, power distribution, and other applications. The MAX6888IETE+ is a supervisory PMIC designed to enable more efficient, multi-application platforms. It offers robust, safe power sequencing and auto-detection features, complete self-monitoring and reset functions, and a wide input voltage range in a small package. This paper will discuss the application field and working principle of the MAX6888IETE+ device.

Application Field

The MAX6888IETE+ is ideally suited for portable battery powered devices such as notebooks, cell phones, mp3 players and digital cameras. It can also be used in telecom and networking equipment, systems electronics, and any other power related application where power monitoring and efficient power management are essential.

The MAX6888IETE+ has several features that make it an attractive choice for battery powered applications. It has an adjustable voltage threshold for the power supply, allowing it to be configured for any given application. The device also offers adjustable system reset time delay, allowing for flexibility in the power management system design. The MAX6888IETE+ has advanced power sequencing and reset control logic, providing protection against power sequencing faults. Finally, the device provides an intelligent auto-detection feature, automatically determining the input power source type in order to ensure proper power management.

The small package size of the MAX6888IETE+ makes it an ideal choice for power-sensitive applications. The device is designed to operate over a wide input voltage range, from 2.6V to 17V, making it suitable for a variety of applications. The MAX6888IETE+ is also available in a 14-lead, 4mm x 4mm QFN package, allowing for design flexibility and space savings.

Working Principle

The MAX6888IETE+ has the ability to detect and reset the system in the case of a fault condition. This device has 3 voltage threshold and auto-detection inputs (VCC1_, VCC2_, BATT_), allowing it to monitor the system power supply rails for potential faults. The MAX6888IETE+ is capable of monitoring 2 voltage rails each with a separate voltage threshold and reset output.

The MAX6888IETE+ has an integrated watchdog timer, which can be used to detect secured faults. This timer can be reset autonomously by the internal reset logic, or it can be reset by an input signal. If a fault condition occurs, the watchdog timer will timeout, and the MAX6888IETE+ will issue a system reset signal. This reset signal can be used to detect and reset any potential system faults, ensuring system reliability and stability.

The MAX6888IETE+ also offers an auto-detect feature. This feature automatically detects the presence of valid VCC1_, VCC2_, or BATT_ input, and provides an output signal to indicate the detection of a valid input. This feature ensures that the device is operating correctly, and can provide a more reliable power supply management.

The MAX6888IETE+ also provides a comprehensive set of safety features, providing power distribution designers with a reliable and safe power distribution system. It features an auto-reset upon power outage, and a weak reset during power up, preventing the system reset during normal operation. In addition, the device provides a system reset time delay feature, allowing the system to monitor and reset itself after a specified timeout period, providing additional reliability and safety.

In summary, the MAX6888IETE+ is a capable and reliable supervisory PMIC, providing robust and safe power sequencing and auto-detection features. The device has an adjustable voltage threshold for any given application, and the wide input voltage range makes it an ideal choice for power-sensitive applications. The MAX6888IETE+ also has an integrated watchdog timer for secure system fault detection, and an auto-detect feature for accurate power source detection. The device is also available in a small, 4mm x 4mm QFN package, allowing for design flexibility and space savings. The MAX6888IETE+ is an excellent choice for portable battery powered devices and any other power related application.

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