ADM694SQ

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Power Management Integrated Circuit (PMIC) is an essential part of modern technology products. The ADM694SQ is one such integrated circuit that provides a wide range of power management functions for general-purpose and automotive electronics. As a PMIC, it can provide protection and monitoring for key components on a circuit board and help in energy conservation. It can also be used to initiate shutdowns when certain conditions are met and help in system-level rail tracking. This article will look into the ADM694SQ’s application field, its features, and its working principle.

ADM694SQ Application Field

The ADM694SQ is mainly used in conjunction with microcontrollers and microprocessors for system-level power monitoring. It is designed for automotive, portable, and other general-purpose systems, and can be used for a wide range of different applications. By providing advanced power management, the device can be used to monitor and protect key system components, including LEDs, voltage rails, microprocessors, and batteries. It can also be used to reduce power consumption in automotive, medical, and industrial systems.

The device\'s features make it ideal for automotive and medical applications, as the ADM694SQ features a wide input voltage range of 2.3V to 15V and an operating temperature range of -40°C to +125°C. This allows it to be used in a wide range of temperatures, making it suitable for use in automotive and medical applications. Additionally, the device has a very low power consumption, with a typical supply current of 1uA when all inputs are tri-stated. This makes it suitable for applications where low power consumption is important.

ADM694SQ Feature

The ADM694SQ is a three-terminal, single-channel supervisor. It provides such features as Programmable Fault-Latch Reset, Over-Temperature Reset, Under-Voltage Lockout (UVLO), and Brown-Out Reset. Programmable Fault-Latch Reset is used to identify and respond to faults, either by resetting the system or automatically entering a safe state. The Over-Temperature Reset feature helps to detect and reset the system when it exceeds its defined temperature, while the UVLO is used to detect and respond to under-voltage conditions. Lastly, the Brown-Out Reset feature helps to detect and reset a system when the voltage falls below a certain level.

This feature-rich integrated circuit also includes a watchdog timer function that allows it to monitor the system and reset it when it detects that it has stalled. Additionally, the device includes a wide range of protection features that can be used to protect the system from over-current, over-voltage, and EMI/RFI noises.

ADM694SQ Working Principle

The ADM694SQ is a three-terminal, single-channel supervisor that provides system level power management functionality. The device works by constantly monitoring the voltage and current levels of the system to detect abnormal conditions. When the voltage or current levels exceed the preset threshold, the device can trigger a reset to either shut down the system or put it in a safe state. The device also includes a low-power watchdog timer, which can be used to detect and reset the system if it stalls. The reset signals can be either active-low or active-high.

The ADM694SQ can also be used to provide rail tracking, allowing it to automatically adjust the voltage level of components on the system based on the voltage of the supply rail. This helps to improve system efficiency and reduces idle current, which can ultimately lead to improved battery life. Additionally, it can be used to detect under-voltage and over-temperature conditions and can be used to take action in order to protect the system components from damage.

Conclusion

The ADM694SQ is a feature-rich PMIC designed for use in a wide range of applications. It can be used to monitor and protect key system components, such as LEDs, voltage rails, microprocessors, and batteries. It provides advanced power management modes that can be used to reduce system power consumption, detect and respond to abnormal conditions, and provide rail tracking for improved efficiency. With its wide input voltage range and low supply current, the device is well-suited for automotive and medical applications.

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