DS1836A-10

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The DS1836A-10 is a supervisor integrated circuit (IC) from Maxim Integrated specifically designed for embedded applications. It is a power management integrated circuit (PMIC) that provides advanced features and monitoring, allowing for sophisticated control of power to embedded systems. This application note covers the general characteristics, features, and working principles of the DS1836A-10 in order to provide users with advanced knowledge of this product.

DS1836A-10 belongs to the PMIC - Supervisors family of PMICs and is primarily used to monitor voltage and control power in embedded systems. Specifically, the DS1836A-10 is used for low-power home automation, refrigerators, physical access control systems, and smoke detectors. The DS1836A-10 features an advanced voltage monitoring system, adjustable threshold voltage, software-based reset and power cycle capabilities, an internal watchdog timer, and an output pin indicator.

The internal voltage monitoring system of the DS1836A-10 is designed to detect if the monitored voltage has gone outside of a predetermined range. When the monitored voltage deviates from that range, the device will issue an output pin indicator signal, and optionally issue a reset or power cycle command to the system. In other words, it can be programmed to latch the system in the case of a voltage failure, or it can be programmed to reset the system automatically.

The adjustable threshold voltage of the DS1836A-10 provides flexibility for the user to configure the monitored voltage. The device provides up to four different user-configurable threshold voltages, along with one device-configured factory-set threshold voltage. This allows for optimal voltage monitoring for various environments and application requirements.

The software-based reset and power cycle capabilities provided by the DS1836A-10 can be used to reset the system or power cycle it without having to resort to hardware solutions. The reset and power cycle functions can be triggered either via software commands or via an external signal. Furthermore, both reset and power cycle functions can be disabled in order to prevent accidental triggering.

The internal watchdog timer of the DS1836A-10 is designed to detect if the system fails to run properly and in turn issue a reset or power cycle command. The timer is also configurable and can be adjusted to varying intervals to ensure the system is running optimally. Additionally, the output pin indicator of the DS1836A-10 is used to indicate when the device is busy.

In conclusion, the DS1836A-10 is a great device for managing power in embedded systems due to its advanced features, adjustable threshold voltage, software-based reset and power cycle capabilities, internal watchdog timer, and output pin indicator. Its voltage monitoring system and configurable watchdog timer provide the user with the security that the system is running optimally and that it will be properly reset or power cycled if it fails.

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