BU4936G-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:	3.6V
Operating Temperature:	-40°C ~ 125°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SC-74A, SOT-753
Supplier Device Package:	5-SSOP
Base Part Number:	BU49*

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A PMIC (Power Management Integrated Circuit) is an integrated circuit used to control the flow of power from one part of a system to another. The BU4936G-TR is a specific type of PMIC, known as a supervisor. Supervisors are used to control and monitor the power supply to the system, ensuring it is stable and within regulated levels. This article will explore the application field and working principle of the BU4936G-TR.The BU4936G-TR is designed to be used in a variety of applications, most notably in the automotive industry. It is primarily used to enhance safety when charging/discharging Li-Ion battery cells, as it will monitor the voltage levels and protect against overcharge, overdischarge, and over-current. This ensures that the battery cells are not damaged by extreme voltages. The BU4936G-TR is also used in audio systems to ensure that spikes or surges in voltage do not damage the speakers or other components.In addition to its automotive applications, the BU4936G-TR can also be used in medical, industrial, and consumer electronics. In medical applications, it is used to ensure the safety of users and protect medical equipment from damage due to excessive voltage. Industrial applications may include monitoring equipment such as pumps and compressors, ensuring that they are not running too fast or too slow. Finally, in consumer electronics, the BU4936G-TR is used to protect against over-voltage or over-current, enhancing the overall reliability and stability of the system.The working principle of the BU4936G-TR is based on a monitoring circuit, which is used to sense the voltage and current levels in the system and provide appropriate protection. The circuit is designed to monitor the current and voltage levels in the system and compare them to the established thresholds. When the monitored levels exceed the thresholds, it triggers an interrupt, signaling that protection is required. The BU4936G-TR has several switch options, allowing it to be configured to different applications. It has an adjustable overcurrent threshold and an adjustable overvoltage threshold to ensure that the system is protected in case of excessive voltages or currents. It also contains an internal regulator and a variety of power sources for different power requirements. Additionally, the BU4936G-TR has a built-in watchdog timer, which can detect and reset the system in case of system faults.The BU4936G-TR also includes additional features such as an automatic power cycling function, a low voltage lockout (LVO) function, and an over-temperature reset option. The automatic power cycling function allows the regulator to cycle the power between two different levels based on the system’s needs. The LVO protects the system against voltage drops and has two adjustable thresholds to indicate the allowable levels of voltage. The over-temperature reset option monitors the temperature of the system, and will reset it in case it exceeds the set threshold.The BU4936G-TR is a versatile supervisor IC and can be used in many different applications. It is designed to protect the system from excessive voltages or currents, ensuring that the system is stable and reliable. It also has additional features, such as an adjustable overcurrent and overvoltage threshold and a built-in watchdog timer, that enable it to be customized to meet specific requirements. As a result, the BU4936G-TR is a popular choice for a variety of applications, from automotive to medical and consumer electronics.

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