AP1701FWL-7

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Push-Pull, Totem Pole
Reset:	Active Low
Reset Timeout:	100 ms Minimum
Voltage - Threshold:	2.63V
Operating Temperature:	0°C ~ 70°C (TA)
Mounting Type:	Surface Mount
Package / Case:	TO-236-3, SC-59, SOT-23-3
Supplier Device Package:	SC-59-3
Base Part Number:	AP1701

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PMIC - Supervisors: AP1701FWL-7 Application Field and Working Principle

PMIC - Supervisors, or power management integrated circuits, are used to manage power distribution and control power flows in today\'s electronic systems. The AP1701FWL-7 is a low quiescent current monitor and supervisor with four input channels for detection of supply voltages, an open-collector reset output and an adjustable reset-delay stage. It is suitable for use in various DC/DC power regulators and point-of-load regulators. This article will explain the application field and working principles of the AP1701FWL-7! The AP1701FWL-7 is suitable for use in mobile devices, including smartphones, tablets and portable media players. Its features include low power consumption and efficient power management performance, making it ideal for the ever-shrinking designs of portable electronics. The device has four input channels that are each capable of monitoring supply voltages ranging from 0.9V to 5.5V with a resolution of 25mV. It also has an adjustable reset delay time, allowing the user to control the time period over which a reset is triggered by input voltage fluctuations.The AP1701FWL-7 typically operates on a supply voltage of 0.9V to 5.5V, and is available in both a 5-pin SOT953-1 package and a 6-pin SOT3001-1 package. It has an open-collector reset output that can be used to pull a power-on event line to low levels when a detected voltage drops below its preset lower threshold value. It also features an adjustable reset-delay stage, allowing for a user-definable delay time for the reset to be triggered.The AP1701FWL-7 works by continuously monitoring the voltages on its input channels. When any of the monitored voltages drops below its preset lower threshold value, it will trigger the reset output, thus pulling the power-on line to a low level. This will cause the device to cease normal operation and reset itself. The adjustable reset-delay stage provides the ability to set a delay time before the reset is triggered by input voltage fluctuations, thus helping to protect the device from unexpected power drops.In addition to its primary tasks of power monitor and supervisor, the AP1701FWL-7 also provides visibility into the status of the device’s power system. It contains two pins for adding LEDs, allowing for the visual display of power system status. It also contains two pins for the addition of audible alarms, allowing for the audible notification of power system status.The AP1701FWL-7 is designed to provide a reliable and efficient power management solution for today\'s mobile devices. Its low power consumption and user-defined reset delay times provide an ideal solution for increasingly shrinking electronics designs. Its visibility and alarm functions also allow for enhanced monitoring and protection of the device’s power system. With its ability to monitor up to four supply voltages, the AP1701FWL-7 is a powerful and versatile PMIC – Supervisors!

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