Texas Instruments

TPS2065DGN

TPS2065DGN Description

The TPS2065DGN from Texas Instruments is a high-side, N-channel power distribution switch designed for general-purpose load switching in low-voltage applications. Housed in an 8-pin MSOP package, it supports a 2.7V to 5.5V load voltage range with a 1A maximum output current, making it ideal for portable and power-sensitive systems. The device integrates a low 70mΩ typical Rds(on) MOSFET, minimizing power loss and improving efficiency. Key protections include fixed current limiting, thermal shutdown, and undervoltage lockout (UVLO), ensuring robust operation under fault conditions.

TPS2065DGN Features

• High-Side Switch: Single N-channel MOSFET with 1:1 input-to-output ratio for straightforward integration.
• Low On-Resistance: 70mΩ typical Rds(on) reduces voltage drop and power dissipation.
• Integrated Protections: Current limiting (fixed), over-temperature shutdown, and UVLO enhance system reliability.
• Status Flag: Provides fault indication for diagnostics.
• Wide Voltage Range: Operates from 2.7V to 5.5V, suitable for USB, battery-powered, and 3.3V/5V systems.
• Compact & Robust: MSOP-8 package with RoHS3 compliance and REACH unaffected status.

TPS2065DGN Applications

The TPS2065DGN excels in power management for portable electronics, including:

• USB Power Switching: Hot-swap protection and current limiting for USB ports.
• Battery-Powered Devices: Efficient load switching in handheld gadgets, IoT sensors, and wearables.
• Hot-Plug Circuits: Safely manages inrush current in hot-swappable subsystems.
• Industrial & Consumer Electronics: Power sequencing and distribution in embedded systems, set-top boxes, and peripherals.

Conclusion of TPS2065DGN

The TPS2065DGN stands out for its low Rds(on), compact footprint, and comprehensive protection features, making it a reliable choice for low-voltage power distribution. Its status flag and robust fault handling simplify system diagnostics, while its wide operating range ensures versatility across consumer, industrial, and portable applications. For engineers seeking a high-efficiency, space-constrained solution, this power switch delivers optimal performance with minimal design overhead.