MIC2075-1YMM-TR: A 1.5A Adjustable Current Limit Load Switch

In modern electronic systems, robust power management is critical for ensuring reliability and protecting sensitive components. The MIC2075-1YMM-TR stands out as a high-performance, adjustable current limit load switch designed to deliver precise control over power distribution. With a capability to handle up to 1.5A of continuous current, this integrated circuit (IC) is engineered for applications where space, efficiency, and protection are paramount.

The device integrates a low on-resistance (R₄ₛ) P-channel MOSFET, which minimizes voltage drop and power loss during operation, enhancing overall system efficiency. A key feature of the MIC2075-1YMM-TR is its user-adjustable current limiting, set via an external resistor. This allows designers to tailor the current threshold to specific needs, from a few milliamps up to 1.5A, providing flexibility across diverse applications such as USB ports, peripherals, and portable devices.

Built-in protection mechanisms are central to its design. The IC safeguards against overcurrent conditions, short circuits, and excessive thermal stress. When a fault is detected, the device enters a constant-current mode, limiting output current to the preset value and preventing damage to the host system. Additionally, the thermal shutdown feature disables the switch if junction temperature exceeds safe limits, ensuring long-term reliability.

The MIC2075-1YMM-TR also offers controlled turn-on through an enable pin, reducing inrush current and mitigating voltage sag during startup. This is particularly valuable in battery-powered systems where sudden current spikes can disrupt operation. Housed in a compact 8-pin μMAX package, it is ideal for space-constrained PCB designs.

ICGOODFIND: The MIC2075-1YMM-TR is an efficient solution for modern power management, combining adjustable current limiting, robust protection, and compact form factor to meet the demands of today’s electronic systems.

Keywords:

Adjustable Current Limit

Load Switch

Overcurrent Protection

Thermal Shutdown

Power Management