DS1707ESA+

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PMIC - Supervisors is a class of integrated circuits that is used to provide supervisor functions for power management and/or system reset. The DS1707ESA+ is a boundary-scan and microprocessor supervisor circuit that is designed to provide power management, system reset, and device protection features for microprocessor-based systems.

The DS1707ESA+ is a highly integrated, system-level supervisor device that can monitor input power supplies, provide power-on reset, push button reset control, and precision voltage monitoring of up to two separate system inputs. It is a compact, low-power, drop-in device that can be used in a variety of applications where reliability and system protection are critical.

The DS1707ESA+Application field and working principle can be summarized as follows:

Application Field:

The DS1707ESA+ is used across a range of applications including industrial, automotive, consumer and medical electronics. It can be used to supervise microprocessor-based systems, provide power-on reset and pushbutton reset control, and independently monitor two system inputs.

Working Principle:

The DS1707ESA+ consists of three basic blocks: voltage monitors, reset outputs and logic control. All inputs to the device are voltage free and the device operates from a single power supply. The voltage monitors continuously monitor up to two system inputs to detect fault conditions such as overvoltage, undervoltage and over temperature. The reset outputs generate system reset signals if any of the monitored conditions are detected. The logic control block manages the state of the device, powers the reset outputs and provides additional features such as push button reset control.

The DS1707ESA+ is designed to provide maximum protection to the system by using various mechanisms such as shutdown control, power-on reset and watchdog timer. The shutdown control prevents the system from being damaged due to prolonged overvoltage or undervoltage conditions. The power-on reset signal prevents the system from operating with degraded power calls. The watchdog timer monitors the system for proper operation and it is triggered if the system does not complete a task within a certain period of time. All these features allow for reliable system operation and high system availability.

In conclusion, the DS1707ESA+ is a high-integrity supervisory IC designed to provide power management, system reset, and device protection features. Its wide range of applications, excellent protection features and low-power benefits make it an ideal choice for protecting any microprocessor-based system.

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