X4045M8I-4.5A

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

PMIC (Power Management ICs) play an important role in today’s portable electronic devices. They are used to regulate and monitor power levels to ensure the stability and efficiency of an electronic device. The X4045M8I-4.5A is a Supervisor IC that is designed to protect power in devices ranging from laptop and cell phones to medical and automotive equipment.

The X4045M8I-4.5A is a versatile protection IC with a wide application range. It is primarily used to protect circuits from over-voltage and over-current conditions. It provides a means to detect and protect against excessive current, undervoltage, overload, overvoltage, in-rush peak current and short-circuit to ensure power supply stability and safe operation. Additionally, it can also monitor voltage levels, detect faults and provide digital diagnostic reporting.

The X4045M8I-4.5A features an Internal MOSFET (Metal Oxide Semiconductor Field Effect Transistor) which acts as a switch that can be controlled by an external control signal. The MOSFET will shut off in an overcurrent event, thereby protecting sensitive electronic components and ensuring system stability. Additionally, it is designed to be protected against electrostatic discharge (ESD) and has an adjustable overvoltage protection level.

In terms of its working principle, the X4045M8I-4.5A features two input voltage signals (VIN1 and VIN2) and a voltage reference pin (VREF). When the input voltage signals exceed the predefined thresholds, the output signal (VOUT) is asserted low and the MOSFET is opened, which allows for protection against over-current or over-voltage conditions. The internal circuit also includes three current sense resistors and a voltage resistor for providing feedback to the MOSFET driver.

The X4045M8I-4.5A is also designed with a high accuracy integrated voltage reference (IVR) to provide constant voltage output. Additionally, it features a comparator, latch register, hysteresis control signal and various other features to improve its reliability and performance. The X4045M8I-4.5A is also designed to support a variety of protection modes, such as single-step, dual-step, hysteresis and soft-start, depending on the application.

In summary, the X4045M8I-4.5A is a feature-rich supervisor IC designed to protect power levels in various electronic devices. It is designed to provide over-voltage and over-current protection, as well as additional features such as digital diagnostic reporting. Its versatile design and wide application range make it a suitable choice for protection in many devices.

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