DS1836AS-10+

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The DS1836AS-10+ is a multi-channel power-on reset and power-fail monitor integrated circuit. It is part of the power management integrated circuit (PMIC) - supervisors series released by Maxim Integrated. Its purpose is to provide advanced power-on reset and power-fail monitoring for today’s highly integrated systems requiring an economical and cell-phone safe resetting. It has a wide range of application fields, mainly on those power-sensitive systems requiring advanced monitoring and reset capabilities when encountering power supply condition changes.

This IC integrates a reset circuit, which features a reset pin that generated an active output whenever the voltage at the reset pin drops below a threshold. This pin can be used to reset the processor or other components in the circuit when any power abnormalities occur, thus protecting the system from potential damage. The supervisory settings can also be programmed via TTL-compatible inputs, giving the user greater flexibility in system design. It is also integrated with a power-fail circuit, which is made up of two detect pins and two comparators. These pins activate the active-low power-fail pin whenever the voltage on any of the two pins falls below the user-programmed voltage on either pin.

The DS1836AS-10+ is built to operate over the -40°C to +85°C temperature range, making it suitable for use in harsh environmental conditions. It has a wide operating range of 1.2V to 5.5V, allowing it to be used in various systems. It also comes with an auto-detect feature, allowing it to automatically detect the voltage level and adjust the reset trip point accordingly. The reseting threshold is user-programmable, allowing the user to customize the trip point to suit the system design\'s power requirements.

In terms of working principle, the DS1836AS-10+ utilized two separate monitoring units, namely the reset circuit and the power-fail circuit. The reset circuit is the main component of the IC and is responsible for monitoring the processor\'s power supply. Whenever the voltage drops below the user-programmed threshold, the reset pin will be activated and the processor reset. The power-fail circuit is responsible for monitoring the power supply of the system and activating the power-fail pin whenever the voltage drops below the user-programmed threshold. In this way, the power supply can be monitored to ensure system stability and prevent potential damage due to power abnormalities.

The DS1836AS-10+ is a highly versatile IC, providing advanced power-on reset and power-fail monitoring for a wide range of systems. It is suitable for use in cell phones, automotive, industrial, and consumer applications. Its user-programmable reset threshold, wide operating range, and auto-detect feature make it a great solution for monitoring power supply in system designs. With its power-on reset and power-fail monitoring capability, it ensures that the system is protected from potentially damaging conditions the moment they arise.

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