Product Overview: AP2141WG-7 - USB Power Switch from Diodes Incorporated

The AP2141WG-7 is a high-quality, single-channel, integrated high-side power switch designed by Diodes Incorporated for USB applications. It is a current-limited, power-distribution switch targeted for self-powered and bus-powered Universal Serial Bus (USB) applications. With a wide input voltage range and an efficient current management system, this device is engineered to provide reliable protection for USB ports by limiting the output current when the output load exceeds the current-limit threshold.

Key Features

• Input Voltage Range: The AP2141WG-7 operates over a 2.7V to 5.5V input voltage range, making it suitable for a variety of USB-powered devices.
• Current Limiting: This device features an accurate and programmable current limit threshold, which helps in preventing damage to USB ports due to overcurrent conditions.
• Fast Response Time: The quick response time to fault conditions ensures that devices are protected promptly, enhancing the overall safety of the USB system.
• Thermal Shutdown Protection: It includes thermal shutdown protection that disables the power switch in the event of excessive heat, further safeguarding the device and connected peripherals.
• Controlled Rise Time: The AP2141WG-7 offers a controlled output rise time which reduces inrush current, minimizing EMI and potential system interference.
• Low Standby Current: The switch features a low standby current, which contributes to energy savings and extended battery life in portable applications.

Applications

The AP2141WG-7 is ideal for a broad spectrum of USB applications, including:

• USB Hubs
• Desktop and Notebook Computers
• Peripheral Power Management
• Portable Devices
• Battery-Charger Circuits

The device comes in a small 6-pin SOT-25 package, which is RoHS compliant and ensures a compact footprint on the PCB, making it an excellent choice for space-constrained applications. Its robust design and comprehensive feature set make the AP2141WG-7 a preferred choice for designers looking to enhance the safety and reliability of their USB power distribution systems.

With its advanced protection features and efficient power management, the AP2141WG-7 from Diodes Incorporated stands as a versatile and durable solution that meets the stringent requirements of modern USB applications.