LM3724EM5X-2.32

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Discontinued at Digi-Key
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	100 ms Minimum
Voltage - Threshold:	2.32V
Operating Temperature:	-40°C ~ 125°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SC-74A, SOT-753
Supplier Device Package:	SOT-23-5
Base Part Number:	LM3724

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<p>Power Management Integrated Circuits (PMIC) are integral components of any electronic device, providing the centralized control and regulation of power on-board. They can be divided into a few main categories including voltage regulators, battery management ICs, and supervisors. LM3724EM5X-2.32 is part of Texas Instruments Supervisor PMICs family and provides special protection features to ensure functions of widely used system monitors.</p><p>Prior to discussing the specific application field and working principle of LM3724EM5X-2.32, let\'s first consider the basic features of the Supervisor family. Generally, the parameters of the regulators are programmable, allowing the user to set the exact voltage, current, and other technical parameters for their device. The regulators also have multiple protection pins and protocols, designed to keep the device from overloading and from short-circuits. Moreover, in the case of an overvoltage event, the supervisor would automatically shut-off the power supply to the device.</p><p>The LM3724EM5X-2.32 is a low-power, 5V supervisor and power failure detector. It is based on a Step-Down DC-DC converter which provides efficient power conversion and protects the applications microcontroller. It features an overtemperature protection, an overvoltage protection, an undervoltage protection, an overcurrent protection, and a short-circuit protection making it a good choice for embedded applications where safety and performance are critical. Additionally, it has a programmable hysteresis threshold, adjustable software reset timing, and adjustable power-on reset delay.</p><p>The primary application field of the LM3724EM5X-2.32 is embedded systems that utilize microcontrollers. It is typically used in industrial, retail, and automotive applications, where the need for sustained power supply and continuous power protection is high. Specifically, it can be used to protect the microcontroller from overvoltage, overtemperature, overcurrent, and short-circuit conditions, ensuring the device performs reliably and safely in harsh conditions.</p><p>The internal working of the LM3724EM5X-2.32 consists of a differential amplifier, an oscillator stage, and a voltage-controlled flip-flop. The differential amplifier monitors the input voltage and compares it to an internal reference voltage. When the voltage exceeds a certain threshold, the oscillator stage is enabled and the flip-flop is activated. The activate flip-flop then triggers an output signal reset the microcontroller or other external ICs.</p><p>In addition to being used in embedded systems, the LM3724EM5X-2.32 can also be used in stand-alone applications as a power failure detector. It can be used to detect any anomalous voltage values and alert the user through an interrupt system. This ensures safer operation, preventing damage from overvoltages, undervoltages and other power related issues.</p><p>The LM3724EM5X-2.32 is an excellent choice for unmanned devices, where the need for reliable power supply and monitoring is utmost and can help prevent any possible damage due to unforeseen circumstances. The adjustable features allow users to fine-tune their power supply according to their needs.</p>

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