AO4806

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The AO4806 is an advanced, single-channel logic-level P-Channel Metal-Oxide-Semiconductor Field-Effect Transistor (MOSFET) array specifically designed for automotive applications. The device features excellent RDS(on) and low gate charge, allowing for the devices to be used in a variety of power management solutions. The AO4806 is a single application, high-density device, reducing the total number of components and circuit board real estate, resulting in smaller and more cost-effective designs. This device is highly rated for its advanced performance, high efficiency, and reliability.

Applications of the AO4806

The AO4806 is ideally suited for a wide variety of automotive applications due to its low static power consumption and ability to turn on and off quickly at referred gate voltages. Applications include, but are not limited to:

• Power management
• Automotive charging systems
• Automotive power control, such as AC and DC control
• Multiple user interfaces in order to control multiple functions
• Driver applications
• Motor control systems, for applications such as windsheild wipers and power windows
• Sensors and monitors, including battery monitors and system diagnostics.

Working Principle of the AO4806

The AO4806 is a logic-level P-Channel MOSFET array, meaning that it is designed to operate with a small signal voltage (5 V) and high current levels (<5 A). This type of array works by using a control gate to regulate the passage of electrons between two conductive channels, the source (input) and drain (output). When the control gate is open, current can flow between the source and drain, and when the control gate is closed, current flow is blocked.

The AO4806 features an advanced, low-voltage MOSFET logic circuitry, allowing it to achieve fast switching times and improved efficiency. This device features a very low on-resistance (RDS(on)) of 4.6 mΩ and a very low input capacitance (Ciss) of 4.2 pF, allowing it to quickly start up with minimal power loss. The low gate charge further facilitates fast switching, as well as reduces power consumption by minimizing the gate voltage and current requirements.

The AO4806 also features a robust power handling design with an output current rating of up to 5 A and an extended junction temperature rating of up to 150 °C, allowing it to provide reliable power control and management in harsh automotive operating environments.

Conclusion

The AO4806 is an advanced, single-channel logic-level P-Channel MOSFET array specifically designed for automotive applications. It features a low static power consumption, fast switching times, and low gate charge, allowing it to be used in a variety of power management solutions. This device is highly rated for its advanced performance, high efficiency, and reliability.

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