AOZ2260QI-15

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Power Management Integrated Circuit (PMIC) is the brain of any power system; providing power conditioning, control and monitoring of the overall power budget. Voltage Regulation (VR) is an integral part of a PMIC and essential for ensuring optimal performance. DC-DC Converters, or Switching Regulators, are one of the most commonly used types of voltage regulators. The AOZ2260QI-15 is a high-efficiency, synchronous, buck-type DC-DC switching regulator developed for consumer, computing, and industrial applications.

AOZ2260QI-15 Application Field

The AOZ2260QI-15 is a step-down buck device designed for voltages between 6V and 28V in source and 1.2V to 12V output. The device is equipped with a dedicated low-side switch, making it suitable for a wide range of applications such as computer, networking, and consumer electronics. The AOZ2260QI-15 supports an output current of up to 8A, making it able to provide power to multiple devices. The device is also capable of dynamic voltage scaling, with the output voltage range adjustable over a 50mV in 1mV step. The device can be interfaced with a variety of control modes, and can be synchronized with an external clock.

AOZ2260QI-15 Working Principle

The working of the AOZ2260QI-15 is based on the buck topology. This topology uses a high side switching transistor, usually a MOSFET, coupled with a low side switch, usually a current mirror diode, to convert the input voltage to the required output voltage. In the active mode, the MOSFET transistor is turned on, allowing current to flow from the input voltage to the output under the control of the current mirror diode. The current mirror diode automatically increases or decreases the output voltage depending on the input voltage provided, thus regulating the output voltage to the desired level. When the output voltage reaches its target level, the MOSFET is turned off and the current flow is stopped, thus saving energy and improving efficiency.

The AOZ2260QI-15 has a few other features that improve the performance of the device. Firstly, the device has an integrated voltage set adjust control (VSADC), which provides precise voltage regulation. Secondly, the device includes an over-current- guard (OCG) circuit that prevents excessive current flow and protects against over-voltage and over-temperature conditions. Lastly, the AOZ2260QI-15 supports both pulse-width modulation (PWM) and pulse frequency modulation (PFM) control, allowing for wide flexibility.

Conclusion

The AOZ2260QI-15 is a high-efficiency, synchronous, buck-type DC-DC switching regulator designed for consumer, computing, and industrial applications. The device is able to convert voltages between 6V and 28V in source and 1.2V to 12V output, with a maximum output current of 8A. The device includes a variety of features, such as voltage set adjust control, over-current protection, and pulse-width and pulse frequency modulation control, making it suitable for a variety of applications.

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