DS1816R-5-U

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PMIC supervisors are an essential part of any system, responsible for monitoring and controlling the power integrity of the overall system. The DS1816R-5-U is a 3-V, high performance system supervisor from Maxim Integrated that provides an extensive range of features and functions for monitoring system power and events. With an adjustable reset timeout and outstanding immunity to false resetting, the DS1816R-5-U provides high levels of system protection and power integrity.

In particular, the DS1816R-5-U is optimized for battery-powered products and other low-power applications with its improved low-power performance. It also features a watchdog timer to eject anomalous situations. This versatile system supervisor is optimized for portable computing, portable therapeutic equipment, industrial applications, battery-based applications, and other applications that require reliable power monitoring and protection.

The DS1816R-5-U has an adjustable reset timeout as well as an adjustable reset threshold. The reset timeout can be set between 10ms and 2510ms, while the reset threshold can be adjusted between 0.996V and 2.5V. The DS1816R-5-U supports three reset modes: active low hard reset, active high watch dog reset, and pushbutton reset. The active low hard reset provides a logic-low forced reset, while the active high watch dog reset is used for testing and debugging. The pushbutton reset mode allows for manual resetting of the supervisor by pressing the pushbutton. The DS1816R-5-U also features an adjustable voltage trip point, which can be adjusted between 0.5V and 2.75V.

In terms of system protection, the DS1816R-5-U features a built-in ESD protection to prevent the system from becoming damaged due to electrostatic discharge. It also features a surge protection circuit to protect delicate components against over-voltage and reverse-current conditions, and a glitch filter to prevent false triggering of the reset and trip points. In addition, the DS1816R-5-U provides an enhanced security architecture to protect against device tampering and premature resetting.

The DS1816R-5-U operates at temperatures ranging from -40°C to +85°C, making it suitable for operation in a wide range of environments. The device is also RoHS compliant and lead-free, ensuring it is safe for use in a variety of applications. In terms of power supply, the DS1816R-5-U supports a supply voltage range between 0.5V and 5.5V, allowing for operation from a variety of sources.

The DS1816R-5-U provides a number of advantages for system supervisors in terms of power integrity, system protection, and reliable operation. With its improved low-power performance and adjustable reset timeout, the DS1816R-5-U provides high levels of system protection and power integrity. It is ideal for a range of applications requiring reliable power monitoring and protection, including portable computing and other battery-based applications.

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