AP2161DWG-7

Overview

The AP2161DWG-7 is a single-channel high-side power switch IC designed for USB 2.0 applications, manufactured by Diodes Incorporated. It operates within a supply voltage range of 2.7 V to 5.5 V and supports an output current of 1 A with a maximum current limit of 1.5 A. The device features a typical on-resistance of 115 mΩ, ensuring efficient power delivery. Key timing parameters include a maximum turn-on time of 50 µs and a maximum discharge time of 50 µs. It functions reliably across an extended temperature range from -40°C to +85°C and is housed in a compact SOT-25-5 surface-mount package.

Feature Summary

• Single-channel high-side power switching topology optimized for USB 2.0 distribution
• Integrated current limiting capability to protect downstream loads
• Built-in output discharge function for rapid load de-energization

Applications

• USB 2.0 port power switching
• Peripheral power distribution circuits
• Battery-powered device power management

Procurement Notes

Verify the specific suffix 'WG' against the manufacturer's official datasheet to confirm pinout compatibility and package dimensions. Ensure the selected component matches the required thermal performance specifications for the intended operating environment. Cross-reference the RoHS compliance status with the latest regulatory documentation provided by Diodes Incorporated prior to final procurement decisions.

Selection Notes

Select this component when a single-channel solution with integrated current limiting and fast discharge is required for low-voltage applications. The SOT-25-5 package offers space efficiency for portable electronics. Consider the 115 mΩ on-resistance for power loss calculations and verify that the 1.5 A current limit aligns with the protection requirements of the connected load circuitry.

Part Context

This part belongs to the AP2161 series of power switches from Diodes Incorporated. It is specifically engineered as a single-channel variant suitable for USB 2.0 interfaces. The device integrates essential protection features into a small footprint, serving as a key component in modern consumer electronics and computing peripheral power distribution networks.

Replacement Considerations

AP2161WG-7

FAQ

What is the maximum discharge time for the AP2161DWG-7?

The maximum discharge time is 50 µs.

Does the AP2161DWG-7 support USB 2.0 standards?

Yes, it is explicitly described as a single-channel USB 2.0 switch.