BU4940F-TR

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Push-Pull, Totem Pole
Reset:	Active High/Active Low
Reset Timeout:	--
Voltage - Threshold:	4V
Operating Temperature:	-40°C ~ 125°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SC-82
Supplier Device Package:	4-SOP
Base Part Number:	BU4940

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INTRODUCTION BU4940F-TR is an ultra-low power detection and reset IC designed to monitor the system environment and identify any abnormality. With its minimum operating voltage of 0.8V, it is well suited for a wide range of applications. The IC also has high accuracy, over temperature detection, and adjustable reset delay up to 32 seconds. APPLICATION FIELDS BU4940F-TR can be found in a variety of applications, ranging from consumer electronics to automotive and industrial systems. In consumer electronics, such ICs help maintain system stability and protect against over voltage, under voltage, temperature, and short circuit conditions. They are critical in preventing permanent damages to the system. In automotive applications, BU4940F-TR is used in improved safety monitoring and reset systems. Finally, this IC can be used in industrial systems for power, temperature, and over/under voltage sensing/monitoring. WORKING PRINCIPLE The BU4940F-TR is an advanced voltage monitoring IC designed to monitor the system environment and detect any abnormality. It uses voltage sensing circuits to detect input voltage, and additional functions to detect over-temperature. As soon as an abnormal system condition is detected, the IC will significantly reduce the power consumption in order to prevent equipment damage and system failure. This IC is specifically designed to stop the system from over-voltage and under-voltage conditions.The BU4940F-TR also has a low delay reset pulse when triggered by a master circuit. This pulse can be adjusted up to 32 seconds. This IC also features multiple reset flags, power-on reset delay, and reset output polarity control. These features make the IC suitable for a wide range of systems and also improves safety. CONCLUSION In conclusion, BU4940F-TR is a low power detection and reset IC designed to monitor system environments and detect any abnormal conditions. It is suitable for applications in consumer electronics, automotive, and industrial systems. With its advanced features such as adjustable reset pulse, low delay reset, and multiple reset flags, the BU4940F-TR is the ideal choice for reliable and safe power monitoring.

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