Power Switch ICs – Power Distribution 5.5-V 10-A 3.9-moh m load switch with a A 595-TPS22990DMLT

TPS22990DMLR – 10A High-Side Load Switch with Power Good – Texas Instruments

Optimize your power management design with the TPS22990DMLR from Texas Instruments, a high-efficiency load switch engineered for robust power distribution. This integrated circuit delivers precise control over high-current loads while providing critical protection features like slew rate control and power-good monitoring—ideal for space-constrained applications demanding reliability and thermal safety.

Key Features

• High Current Handling: Supports up to 10A continuous load current
• Ultra-Low Resistance: Just 3.9mΩ typical Rds(On) minimizes power loss
• Wide Voltage Range: Operates with 2.5V to 5.5V load voltages
• Advanced Protection: Integrated load discharge, power-good signal, and adjustable slew rate control
• Compact Design: Surface-mount 10-WSON package (3x2mm) saves board space
• Industrial Durability: Operates from -40°C to +105°C

Technical Specifications

This N-channel high-side switch features a non-inverting ON/OFF interface for straightforward logic control without external voltage supply requirements. Its single 1:1 output configuration ensures stable power delivery to sensitive components. The exposed-pad DFN package enhances thermal dissipation in high-current scenarios. Base part number: TPS22990.

Typical Applications

• Hot-swap protection in servers/enterprise hardware
• Power sequencing in FPGAs, ASICs, and processors
• Battery-powered portable electronics (tablets, handheld devices)
• USB power delivery systems and peripheral ports
• Industrial control module power gating

About Texas Instruments

Texas Instruments (TI) is a global semiconductor leader with over 90 years of innovation in analog and embedded processing technologies. Renowned for rigorous quality standards, TI components undergo extensive validation for industrial, automotive, and commercial applications.

TI’s power management portfolio sets industry benchmarks for efficiency and integration. Their commitment to reliability and continuous R&D investment ensures cutting-edge solutions for complex power delivery challenges, making TI ICs a preferred choice for mission-critical designs worldwide.

About Power Distribution Switches

Power distribution switches (load switches) are essential integrated circuits that act as electronic “circuit breakers” between power sources and subsystems. They provide controlled power sequencing while protecting downstream components from inrush currents, short circuits, and voltage spikes.

Modern load switches like the TPS22990DMLR integrate advanced features such as thermal shutdown, current limiting, and status monitoring. These ICs are fundamental in extending battery life, reducing system complexity, and enhancing safety across consumer electronics, data centers, and industrial automation.

Packaging Options

Available in industry-standard formats: Tape & Reel (TR) for automated assembly, Cut Tape (CT) for prototyping, and Digi-Reel® packaging. Confirm packaging preference during ordering.

FAQs

Q: What is the primary advantage of slew rate control?
A: It prevents voltage overshoot and reduces EMI by gradually ramping voltage during turn-on, protecting sensitive downstream components.

Q: Does this IC require an external Vcc supply?
A: No, the TPS22990DMLR operates without a separate supply voltage, simplifying design.

Q: How does the power-good feature enhance system safety?
A: It provides a logic output indicating stable output voltage, enabling processors to validate power state before initialization.

Q: Can this switch handle automotive applications?
A: While industrial-grade (-40°C to +105°C), verify against specific automotive standards; TI offers automotive-qualified variants.

Q: What’s the benefit of the integrated load discharge?
A: It rapidly discharges output capacitors when disabled, preventing residual voltage from damaging components.

Q: Is a heatsink required for 10A operation?
A: The exposed thermal pad provides sufficient dissipation in most cases, but thermal modeling for your PCB layout is recommended.

Access the full datasheet on PCXCo.com for design guidelines and schematics.

Order today for fast delivery! PCX guarantees genuine Texas Instruments components, backed by same-day shipping and dedicated technical support. Simplify your power management with this high-performance load switch—in stock now.