ADM1818-20ART-RL7

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PMIC - Supervisors are devices that generate reset and interrupt signals based on user-programmable conditions and thresholds. They monitor power supply stability, system temperatures, system events, and so on, and provide the necessary signals for system reset and system power management. The ADM1818-20ART-RL7 supervisor does all of these in an extremely compact package and offers a comprehensive set of features for demanding applications.

The ADM1818-20ART-RL7 is a turbo reset supervisor designed to provide a robust system reset solution in ultra-low power and space-challenged applications. It offers a wide range of voltage input, temperature, delay and active reset outputs, making it ideal for design engineers who require the size and flexibility of a multi-function low power supervisor. It can monitor multiple power rails and offer various reset configuration options to suit different needs in a wide range of applications.

This device can be used in automotive, telecom, industrial and consumer applications. It is suitable for a wide range of DC and AC powered products, including computers, TVs, security, surveillance and automotive systems. In automotive applications, for example, the ADM1818-20ART-RL7 enables system designers to use a single device to provide reset and protection for multiple power rails, and its power rail monitoring feature ensures that the system is protected against both supply voltage and input power quality issues.

The ADM1818-20ART-RL7 incorporates the following features to provide sophisticated system protection:

• Low supply current of 2.2µA in active state
• Wide voltage range of 2. 55V -18V DC
• Two to four software configurable reset outputs
• Programmable reset timeout/safer timer range of 25 µs to 32sec
• Programmable voltage window supply monitor
• Integrated warm reset
• Monitoring of AC or DC power supply
• ECOPACK® compliant package

The ADM1818-20ART-RL7 works by constantly monitoring the system power supply to detect power rail failures, supply violations, and over/under voltage failures. As soon as one of these conditions are detected, a reset signal is generated to protect the system. When power is supplied successfully, this device distinguishes between a valid power-on and a malfunction. This function reduces the system reset time and ensures faster system recovery.

The reset outputs can be configured to reset the system when the supply voltage drops below a certain voltage, rises above a certain voltage, or exceeds a certain duration. Multiple reset outputs can be combined to create multiple reset functions based on several different conditions. Additionally, a variety of latching modes and reset timeout options are available to fine-tune functionality for the application.

In addition to driving the reset lines, the ADM1818-20ART-RL7 also provides interrupt signals for monitoring purposes. This means that a single device can be used to provide both reset and interrupt signals, which simplifies system design and reduces cost.

The cut-edge technologies used in the ADM1818-20ART-RL7 make it an outstanding choice for designers who require a highly integrated reset solution. This device offers superior system protection in a compact package, making it an ideal solution for demanding applications in automotive, industrial and consumer markets.

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