AOZ1321DI-04

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The AOZ1321DI-04 is a power management integrated circuit (PMIC) within the Power Distribution Switches, Load Drivers category. This PMIC uses multiple power control and load switch components to efficiently control and support low voltage power in many different types of applications.

The base functions for the AOZ1321DI-04 are 4 LDOs, 4 Smart Load Switches, 1 USB Type-C Direct Charging Port (DCP), 1 Power Path Controller, and 1 VCON.

The four LDOs (Low Drop-out Regulators) are able to provide stable voltage output to specific components, in this case, four components. These LDOs can provide a range of output voltages, up to 3.3V. The output current capability is adjustable with external resistor.

The four Smart Load Switches are capable of controlling the power-on/power-off of several loads. When powering off, the burden of sinking discharge current is eliminated. There is a voltage pull-high and low options. The parameters of these switches can be adjusted by external resistor.

The USB Type-C Direct Charging Port (DCP) supports quick charging from the USB-PD protocol and any other backward-compatible standards. It is capable of providing up to 5V at 15A for fast charging. This feature supports universal quick charging, saving system cost.

The Power Path Controller is part of the AOZ1321DI-04, providing stable power supply in the system’s power path. This includes enhanced power path protection as well as more current capabilities. The control supports dead battery boot, as well as system’s recovery.

The VCON is an adjustable output 0.6V−0.8V boost converter. This converter is used in low voltage applications, such as LCD bias and LED backlight. It requires external bias voltage to start up which is adjustable by external resistor, and it provides 5mA current capability.

The AOZ1321DI-04, with its array of power control components all working together, offers efficient power control to low voltage applications, offering high current capabilities, smooth power path transitions, adjustable parameters, and quick charging. Its wide range of applications allows it to be used in a multitude of systems and scenarios.

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