ADM690ARM

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PMIC (Power Management Integrated Circuit) is a class of semiconductor devices that combine power management, protection, regulation and diagnostic functions within a single circuit. Supervisors refer to a subset of PMICs designed to monitor power supply systems. The ADM690ARM is a low power supervisor device optimized for reset/power-on reset (POR) monitoring applications in networking, computer and peripherals, industrial, medical and portable instrumentation applications.

The ADM690ARM is a reliable, cost-effective reset/monitoring solution that provides the necessary features for reset or power-on reset functionality. It is designed to be extremely tolerant to wide input supply, transient and temperature ranges, providing protection in various application environments. The chip has an on-chip voltage monitor that will detect a wide range of operating ranges and provide appropriate reset responses. It also has a wide power supply range of 2.2V to 6V, as well as a software-programmable reset timeout. In addition, the chip has a low power consumption level, low pin count, and a wide supply range for superior performance.

The ADM690ARM can be used in a wide range of applications. In computers, the supervisor can monitor a system\'s primary power supply to ensure proper sequencing during initial power-up, reboot or brown-out conditions. It can also be used to reset the CPU after a system lock-up. In industrial or medical applications, the ADM690ARM can be used to detect power supply transients and control the response of the system to maintain the proper operating range. In portable devices, the supervisor provides reset and power on/off cycle detection, allowing the device to almost immediately detect a low power supply and prevent damage due to power failure.

On the working principle side, the ADM690ARM operates on a simple logic-level based monitoring protocol. It detects a preset voltage level (threshold) set by an external resistor, and then the supervisor issues a reset or power-on reset when the voltage drops below the set threshold. When the voltage level returns to within the normal operating range, the supervisor then releases the reset. The ADM690ARM also includes a few more advanced features such as a reset timeout and adjustable current-limit thresholds.

The ADM690ARM is a dependable, reliable and cost-effective reset/monitoring solution that suits a vast range of applications. Its low-power operation and wide supply range help provide accuracy, reliability and precision at all times, as well as efficient power usage in many embedded designs. What’s more, with its wide voltage range capabilities and advanced features, the ADM690ARM is an ideal choice for embedded system applications where reliable and consistent monitoring and resetting are needed.

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