MB39C811QN-G-EFE2

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Power management integrated circuits (PMIC) are essential components for a wide range of applications and products that require a regulated power source. Among PMICs, the MB39C811QN-G-EFE2 was designed to be a highly integrated one-chip power solution that integrates various regulators, dc-dc converters, and drivers into a single multi-output configuration. It has a high degree of integration and conducts low-noise regulation and low EMI. These features make the MB39C811QN-G-EFE2 suitable for a wide range of applications, from mobile phones and handheld devices, to LCD or LED TVs, gaming console, and portable audio players.

Application fields

The MB39C811QN-G-EFE2 is capable of providing programmable buck regulators and DC-DC converters, as well as multiple power switching pathways. Its flexible design also allows for customizable output voltage for different applications requiring different voltage supplies. In addition, it supports multiple integrated voltage regulating and sequencing settings for AC adapters and a wide range of Standby and Sleep mode power supply requirements. These features make the MB39C811QN-G-EFE2 the ideal solution for mobile electronics and embedded systems in smartphones, tablets, navigation systems, digital cameras, LCD or LED TVs, gaming consoles, and portable audio players. The MB39C811QN-G-EFE2 is also compatible with multiple popular communication protocols such as I2C, SMBus, and USB.

Working principle

The MB39C811QN-G-EFE2 is designed to integrate several voltage regulators and drivers into one power solution to reduce power supply design complexity and save PCB space. The on-chip regulators provide high-efficiency operation with low EMI and low noise. Its on-chip DC-DC converters are also highly efficient and programmable for output voltage regulation, allowing for low-power consumption and low ripple noise. The MB39C811QN-G-EFE2 can provide up to 20mA of current from each output and is protected from over-voltage, over-current, and short-circuit conditions. It also includes several built-in over-temperature protection paths to protect from excessive heat. The power rail is automatically adjusted and filtered for a steady, low-noise voltage.

The MB39C811QN-G-EFE2 also supports a comprehensive set of control features and interfaces, including multiple communication protocols such as I2C, SMBus, and USB. The built-in scaler and the real-time clock can be used to select an appropriate phase current limit or a desired phase delay to optimize EMI behavior or reduce power consumption. The built-in sequencing and sequencing control logic allow for various sequencing settings to be implemented. In addition, the on-chip deep sleep mode allows the power supply to enter low-power operation mode without compromising system performance.

The MB39C811QN-G-EFE2 is an efficient and versatile PMIC solution for a wide range of applications that require a regulated power source. Its high degree of integration and flexibly programmable power pathways make it suitable for mobile electronics and embedded systems in a variety of portable and home appliances. Its built-in protection circuits and communication protocols also make it an ideal solution for a variety of applications.

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