TUSB320HIRWBR Integrated Circuits (ICs)

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The TUSB320HIRWBR is an integrated high-speed-recovery bidirectional port protection and power management switch designed for USB Type-C applications. It integrates two integrated FETs for two ports, allowing for efficient power management and reversible port protection. As an important component in the PMIC - Power Management - Specialized field, it plays an important role in different power management applications.

The TUSB320HIRWBR provides comprehensive port protection solutions, protecting each port from voltage transients and reverse current. It supports USB Type-C port power delivery and USB PD negotiation, enabling portable device interoperability. The device can also detect the power levels within the power delivery network and the cable’s impedance to optimize power delivery.

To better understand how the TUSB320HIRWBR works, let’s review its basic operating principle. The device consists of two integrated FETs, each with a dedicated gate voltage pin. The two FETs provide bidirectional port protection; when VIN is higher than the VOUT threshold, the TUSB320HIRWBR opens the FETs and connects the source to the load. Conversely, when VIN is lower than the VOUT threshold, the TUSB320HIRWBR closes the FETs and disconnects the source from the load.

In addition, the TUSB320HIRWBR features a reverse current protection circuit to protect both the input and the output ports. The device includes a low-voltage differential signaling (LVDS) receiver configured to detect any reverse current flows in either direction and disconnect the port in case a reverse current is detected. This provides extra protection for the port by preventing any damage to the connected equipment.

The TUSB320HIRWBR also includes an overvoltage protection circuit. This circuit is configured to detect any overvoltage conditions at the port and disconnect the port from the power source. The TUSB320HIRWBR also has an active pull-up resistor circuit designed to provide further protection for the port.

The TUSB320HIRWBR also supports USB PD negotiation, allowing for optimal power delivery based on the capabilities of the connected device. During the USB PD negotiation, the TUSB320HIRWBR is configured to detect the power levels and cable impedance to optimize the power delivery from the device or wall adapter. This enables the device or wall adapter to transfer power more efficiently.

Finally, the TUSB320HIRWBR includes an integrated high-speed-recovery bidirectional port protection and power management switch. This switch is designed to protect the ports from voltage transients and reverse current, and also to ensure optimal power delivery during USB PD negotiation. This allows for a more efficient power management system across the USB Type-C applications.

In summary, the TUSB320HIRWBR is an important component in the PMIC - Power Management - Specialized field. It provides comprehensive port protection solutions and supports USB PD negotiation, allowing for efficient power management and reversible port protection. The integrated high-speed-recovery bidirectional port protection and power management switch ensures optimal power delivery, providing the necessary level of protection for the connected devices.

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