KA75420MTF

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Power management integrated circuits (PMICs) are special types of integrated circuits which perform the task of monitoring power supply voltages and controlling the power supply. Application of these devices range from cell phones and portable electronic devices to high-end embedded systems. Supervisors are an important component within the PMIC family, and are responsible for resetting the system in the event of power supply malfunctions. An example of such a supervisor device is the KA75420MTF.

The KA75420MTF combines features of high/low voltage adaptive supervisor and voltage detector in one device. The adjustable reset threshold voltage (TH) of the device can be set from 2.2V to 3.6V using the external reference voltage (VREF). This HYST pin enables the user to select the additional voltage on top of VRESET for the HYSTERISIS or noise margin. This pin is internally tied to a fixed voltage of 0.2V. The output of the device is CMOS-compatible.

This device has a wide range of applications in power management circuits, such as system reset and voltage monitor. System reset is the application in which the KA75420MTF is used to initiate a safe shut down of the system in case of voltage exceeding the threshold. Voltage monitor application is used to provide alert notifications when voltage exceeds the threshold. In addition, the KA75420MTF can also be used for sleep-mode control and other power management facts.

Components of the KA75420MTF include an on-chip voltage detector with dual threshold and hysteresis circuitry, an open drain output, a voltage reference, and a reset output. The device is designed to detect a wide range of input voltages and generate a reset signal when the voltage exceeds the threshold. The reference voltage is used to set the threshold and the hysteresis levels of the detector. The reset output of the device is low when the input voltage exceeds the threshold, and is high when the voltage is below the threshold. The output can be used to power down the system when the voltage exceeds the threshold.

In summary, the KA75420MTF is a versatile, low power supervisor device that can be used in power management circuits, including system reset and voltage monitoring. Its adjustable reset threshold and open drain output enable it to be used for a wide range of applications. Furthermore, the device is CMOS-compatible, and has a wide input voltage range, making it suitable for a variety of applications.

The specific data is subject to PDF, and the above content is for reference