MP8869WGL-Z

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

The MP8869WGL-Z, a chip produced by the Monolithic Power Systems, Inc., is a DC DC Switching Regulator, a type of power management integrated circuit (PMIC) used to regulate voltages, a system commonly found in computers, mobile devices and other modern technologies. This chip is a voltage regulator that takes an input DC voltage and then controls its output voltage and provides protections (including short circuit and over-voltage protection).

The MP8869WGL-Zuses monolithic MOSFETs, resistors, and capacitors to ensure high efficiency switching, low power losses, and power conversion efficiency. Its ultra-low on-resistance MOSFETs enable high accuracy and fast response to external voltage settings, creating a fast and ideal power supply solution. This makes it ideal for use in high-power applications, such as mobile phones and tablets, laptops, drones, and other applications.

To understand the working principle of the MP8869WGL-Z, it is necessary to understand the concept of buck converters. Buck converters are DC-DC converters where the input voltage is stepped down to a lower, regulated output voltage. This is achieved by a series of switching operations where the feedback signal is compared to the reference voltage to turn off and on the switches, which then changes the conduction of the inductor in the buck circuit. As a result, the output voltage remains constant in spite of a changing input voltage.

The MP8869WGL-Z features synchronous buck conversion, which is a type of switching regulation where the two MOSFETs that conduct the buck converters switch are always conducting in sync, allowing for lower switching losses, thus improving efficiency. This is achieved by the use of an internal phase-lock loop (PLL), which is an electronic circuit that maintains an oscillator loop in sync with an input signal.

The other feature of the MP8869WGL-Z is its Pulse Frequency Modulation (PFM) technology. This technology helps reduce the number of switching cycles and thus reduces power losses resulting in improved efficiency. The PFM is automatically enabled based on the input voltage and load current, making it an ideal solution for mobile and computing applications. When the load current increases, the MP8869WGL-Z will transition from PFM mode to Pulse Width Modulation (PWM) mode, thus converting higher input voltages into the required output.

Finally, the MP8869WGL-Z includes other features such as over-voltage protection (OVP), under-voltage protection (UVP), over-current protection (OCP), and short-circuit protection (SCP), making it versatile for power applications. The chip also complies with RoHS standards and is designed to operate in ambient temperatures ranging from -40 degrees Celsius to +85 degrees Celsius.

In summary, the MP8869WGL-Z is a versatile DC DC switching regulator that has many application fields due to its ability to provide high efficiency, low power losses, and short-circuit protection. It operates in both PFM and PWM modes and is ideal for applications such as mobile phones, computers, tablets, and drones. Moreover, the chip complies with RoHS standards and operates in a wide temperature range. Overall, the MP8869WGL-Z is an ideal voltage regulator solution for many applications.

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