High-Efficiency Microchip MIC94050YM4-TR Load Switch for Power Management

In the realm of modern electronics, efficient power management is critical for enhancing performance and extending battery life. The Microchip MIC94050YM4-TR stands out as a high-efficiency load switch designed to optimize power distribution in compact, power-sensitive applications. This device integrates advanced functionalities to ensure minimal power loss, robust protection, and precise control, making it an ideal solution for portable devices, IoT modules, and embedded systems.

The MIC94050YM4-TR operates with an impressively low quiescent current of just 0.7 µA (typical), significantly reducing standby power consumption. Its low on-resistance (RDS(ON)) of 60 mΩ (max) at 5V VIN ensures minimal voltage drop and maximizes efficiency during operation. This feature is crucial for battery-powered applications where every milliwatt counts. The load switch supports a wide input voltage range from 1.0V to 5.5V, accommodating various power sources including lithium-ion batteries and low-voltage rails.

Protection and control are central to the MIC94050YM4-TR's design. It includes integrated slew rate control to mitigate inrush current during turn-on, preventing voltage droops and enhancing system reliability. The device also offers thermal shutdown and over-current protection, safeguarding against fault conditions. Controlled via a simple logic-compatible enable pin (EN), it allows seamless integration with microcontrollers and power sequencing circuits.

Housed in a tiny 4-pin UTDFN package, the switch is optimized for space-constrained PCB layouts. Its -40°C to +85°C operating temperature range ensures robustness across diverse environments.

ICGOODFIND: The MIC94050YM4-TR is a superior choice for designers seeking to minimize power loss, simplify power management, and enhance system longevity in next-generation electronic products.

Keywords:

Load Switch

Power Management

High Efficiency

Low Quiescent Current

Over-Current Protection