MIC8114TUY-TR

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Power Management Integrated Circuits (PMICs) are electronic devices that regulate the supply of power to electronic circuit boards, usually in the form of integrated chips. Supervisors,sometimes referred to as voltage supervisors or voltage monitors, are a particular type of PMIC. Supervisors are responsible for monitoring the power supply in an electronic circuit board, raising alarms in the event of an overvoltage or undervoltage event. They generally take the form of an integrated chip.The MIC8114TUY-TR is a voltage supervisor specifically designed for use on high-speed circuits. In this article we discuss the application field of the MIC8114TUY-TR, as well as its working principle.

Application Field

The MIC8114TUY-TR is a low-voltage supervisor (LVS) specifically designed for high-speed circuits. It is designed to manage the power supply of electrical devices operating at speeds of up to 2GHz. The MIC8114TUY-TR supports both single-ended and differential inputs. It has a detection voltage range of 0.8V to 3.3V, a hysteresis voltage of 0.4V, and a maximum output current of 8 mA. It also features a Low-RDS(ON) open drain output and a reset-active low push-pull output. The MIC8114TUY-TR is tested and guaranteed at elevated temperatures of up to 150°C.

The MIC8114TUY-TR is ideal for use on computers, servers, telecommunications systems, and consumer electronics requiring a low-voltage supervisor. It is suitable for applications such as power-on reset, power sequencing, and brownout detection. It can also be used to monitor over voltages in applications such as power supply control, power shut-down, and electronic system control.

Working Principle

The MIC8114TUY-TR is a two-terminal voltage supervisor. It is typically connected between the system ground and the VDD supply. The MIC8114TUY-TR monitors the supply voltage and asserts a reset signal when the voltage exceeds the specified upper or lower threshold. The reset signal is an active-low push-pull output (RPO). The output is released once the supply voltage drops below the reset threshold.

The MIC8114TUY-TR also features a Low-RDS(ON) open drain output (RDN). The RDN is an active-low open drain output, typically used for system power up or power down sequencing. The RDN is asserted when the supply voltage is below the lower threshold and released when the voltage exceeds the upper threshold. The RDN can be used to power down the system when the supply voltage is outside of the specified operating range.

The MIC8114TUY-TR also features an adjustable reset timeout. When the supply voltage is detected to be lower than the lower threshold, the MIC8114TUY-TR asserts a reset signal and holds it at the RPO pin for a predetermined period of time. This period of time is adjustable with an external resistor, and can range from 1 ms to 1 s. After the timeout period has expired, the reset signal is released and the RPO pin assumes its inactive high state.

The MIC8114TUY-TR also features a power-on reset (POR) time delay. When the supply voltage exceeds the upper threshold, the MIC8114TUY-TR will wait a predetermined amount of time before asserting a reset signal. This can be adjusted by an external capacitor, and can range from 100 ms to 1 s.

In summary, the MIC8114TUY-TR is a voltage supervisor specifically designed for high-speed circuits. It is suitable for applications such as power-on reset, power sequencing, and brownout detection. It can also be used to monitor over voltages in applications such as power supply control, power shut-down, and electronic system control. It features a Low-RDS(ON) open drain output, adjustable reset timeout, and power-on reset time delay.

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