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MIC94031BM4 from MICREL

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MIC94031BM4

Manufacturer: MICREL, MIC

TinyFET? P-Channel MOSFET Preliminary Information

Partnumber Manufacturer Quantity Availability
MIC94031BM4 MICREL, MIC 4712 In Stock

Description and Introduction

TinyFET? P-Channel MOSFET Preliminary Information **Enhance Your Power Management with the MIC94031BM4**  

The MIC94031BM4 is a high-performance, ultra-low RDS(ON) load switch designed to optimize power management in a wide range of applications. With its compact 4-pin SOT-23 package, this component delivers efficient power distribution while minimizing board space, making it an ideal choice for portable electronics, IoT devices, and embedded systems.  

Featuring an exceptionally low on-resistance of just 40mΩ (typical), the MIC94031BM4 ensures minimal power loss, improving overall system efficiency. Its fast turn-on and turn-off times enable precise control over power delivery, reducing energy waste in battery-operated devices. The device also includes built-in protection features such as reverse current blocking and thermal shutdown, enhancing reliability in demanding environments.  

Designed for simplicity, the MIC94031BM4 operates with a single control input, making it easy to integrate into existing designs. Its wide input voltage range (1.5V to 5.5V) supports compatibility with various power sources, including Li-ion batteries and low-voltage rails. Additionally, the component’s low quiescent current ensures minimal impact on battery life, a critical factor for energy-sensitive applications.  

Whether used in wearables, smart sensors, or industrial control systems, the MIC94031BM4 provides a robust and efficient solution for power switching needs. Its combination of low power dissipation, fast response, and protective features makes it a standout choice for engineers seeking reliable performance in space-constrained designs.  

For applications requiring precise power management with minimal footprint, the MIC94031BM4 offers a compelling balance of efficiency, reliability, and ease of use.

Application Scenarios & Design Considerations

TinyFET? P-Channel MOSFET Preliminary Information

Alternative Part Number

  • TPS22910A --: Pin-compatible load switch with similar current rating and low on-resistance, widely available and well documented.
  • FDC6330L --: Integrated load switch in a small package offering comparable voltage and current handling for similar power-switch applications.
  • AP2280 --: Low-voltage load switch with similar functionality and compact footprint, suitable as a functional replacement.
  • RT9742 --: Low-side/high-side load switch offering similar on-resistance and current handling in a small package.

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