MIC8115TU TR

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Part Status:	Obsolete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:	1.1 s Minimum
Voltage - Threshold:	3.08V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	TO-253-4, TO-253AA
Supplier Device Package:	SOT-143
Base Part Number:	MIC8115

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Introduction
A Supervisor (also known as an MCU Supervisor) is an integrated circuit designed to provide power management and reset functionality in a system. Supervisors typically include many features such as push-button reset, a watchdog timer, and an adjustable voltage monitoring section. The MIC8115TU TR (or Transient Regulator) is an example of a standard Supervisor, and can be used in a number of applications, depending on the particular features and needs of the system.
MIC8115TU TR Application Field
The MIC8115TU TR Supervisors can be used in a wide range of applications, from commercial, industrial and automotive electronics to telecom, medical and military systems. In all of these application fields, the MIC8115TU TR Supervisors can be used for reliable power management and reset function of the system.
Some specific application fields where MIC8115TU TR Supervisors are usually used, include:

• Power Management: MIC8115TU TR Supervisors can be used to regulate power, reduce power consumption and monitor the status of a system\'s power supply.
• Brownout Protection: An important application field of the MIC8115TU TR Supervisors is brownout protection, which allows a system to continue operating even under low-voltage conditions.
• Protection from Transients: These Supervisors offer protection from transient voltage spikes, helping to protect sensitive electronic components against damage.
• System Reset: The MIC8115TU TR provides a reset signal when needed, which allows a system to start from a known state when faults occur.
• Fail-safe Power Supply Monitoring: The MIC8115TU TR Supervisors can be used to monitor the power supply, ensuring that any faults in the power supply are quickly detected and rectified.

MIC8115TU TR Working Principle
The MIC8115TU TR Supervisors integrate a power management controller, a watchdog timer, an adjustable voltage monitoring section and a reset controller. The power management controller is composed of a voltage detection circuit, an overvoltage detection circuit and a voltage pre-regulator. The voltage detection circuit constantly monitors the system\'s power supply to ensure it is within the specified range. The pre-regulator helps to maintain a stable power supply voltage in the range of 3.1V to 5.5V.
The overvoltage detection circuit is responsible for detecting any overtemperature conditions that may cause excessive power supply current, and is used to initiate a power shut-down or to trigger a system reset. The adjustable voltage monitoring section allows the user to set the voltage at which a system reset is initiated. This section also allows for setting a "watchdog" function, meaning that if the monitored voltage fails to respond to a specified window size within a certain time period, a system reset is triggered.
When a system reset is initiated, the reset controller uses a reset signal to reset all system control signals to their default states, reinitializing the system and allowing the system to start from a known state. This reset signal can also be used by an external reset controller to reset an external system. The MIC8115TU TR Supervisors use both positive and negative logic signals, which increases their versatility and makes them compatible with a wide range of systems.
Overall, the MIC8115TU TR Supervisors can be used for a variety of applications, from power management to system reset and protection from transients. With its wide range of features and adjustable voltage monitoring, the MIC8115TU TR can help to ensure that any system functions correctly and safely.

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