FSUSB73UMX

Product Overview

• Category: USB Power Switch
• Use: This product is used to control the power supply to USB devices.
• Characteristics: The FSUSB73UMX is a compact and efficient USB power switch that offers reliable and safe power management for USB devices. It provides protection against overcurrent, short circuit, and thermal overload conditions.
• Package: The FSUSB73UMX comes in a small surface-mount package, making it suitable for space-constrained applications.
• Essence: The essence of this product lies in its ability to efficiently manage power supply to USB devices while ensuring their safety.
• Packaging/Quantity: The FSUSB73UMX is available in tape and reel packaging, with 3000 units per reel.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Maximum Continuous Current: 1.5A
• Operating Temperature Range: -40°C to +85°C
• On-Resistance: 50mΩ (typical)
• Quiescent Current: 10µA (typical)

Detailed Pin Configuration

The FSUSB73UMX has the following pin configuration:

1. VBUS: USB Bus Voltage Input
2. GND: Ground
3. IN: Control Input
4. OUT: Power Output

Functional Features

• Overcurrent Protection: The FSUSB73UMX incorporates overcurrent protection, which automatically shuts off the power supply when excessive current is detected.
• Short Circuit Protection: In the event of a short circuit, the FSUSB73UMX quickly disables the power output to prevent damage to the USB device.
• Thermal Overload Protection: This USB power switch includes thermal overload protection, ensuring safe operation even under high-temperature conditions.
• Low Quiescent Current: The FSUSB73UMX has a low quiescent current, minimizing power consumption when the device is in standby mode.

Advantages and Disadvantages

Advantages: - Compact size - Efficient power management - Overcurrent, short circuit, and thermal overload protection - Low quiescent current

Disadvantages: - Maximum continuous current limited to 1.5A

Working Principles

The FSUSB73UMX operates by monitoring the input voltage and control signals. When the control input is high, indicating that the USB device is active, the power switch allows the flow of current from the input to the output. In case of overcurrent, short circuit, or thermal overload conditions, the power switch quickly shuts off the power supply to protect the USB device.

Detailed Application Field Plans

The FSUSB73UMX finds applications in various fields, including:

1. Mobile Devices: It can be used in smartphones, tablets, and portable media players to manage the power supply to USB peripherals.
2. Computer Peripherals: The FSUSB73UMX is suitable for use in USB hubs, docking stations, and external hard drives to control the power delivery to connected devices.
3. Industrial Equipment: It can be integrated into industrial control systems and automation equipment that require reliable and safe power management for USB interfaces.

Detailed and Complete Alternative Models

1. FSUSB42UMX: This USB power switch offers similar features but with a lower maximum continuous current rating of 500mA.
2. FSUSB83UMX: A higher-rated alternative, this USB power switch can handle a maximum continuous current of 3A, making it suitable for power-hungry USB devices.

(Note: The above alternative models are provided for illustrative purposes and may not represent an exhaustive list.)

This entry provides comprehensive information about the FSUSB73UMX USB power switch. It covers its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.