MIC94082YFT-TR

Overview

The MIC94082YFT-TR is a high-side load switch manufactured by Microchip Technology, designed for power distribution applications. It features a single output capable of handling up to 1.5A continuous current with a maximum on-resistance of 67mΩ. The device operates within a supply voltage range of 1.7V to 5.5V and supports an input-to-output ratio of 1:1. Key timing parameters include a maximum turn-on time of 1.5µs and a maximum turn-off time of 200ns. It functions reliably across an extended temperature range from -40°C to +125°C TJ.

Feature Summary

• High-side load switch architecture with P-channel output configuration
• Integrated soft-start functionality to control inrush current
• Low on-resistance design for efficient power distribution
• Controlled slew rate to minimize system noise during switching

Applications

• USB port protection and power management
• Peripheral power sequencing in embedded systems
• Battery-powered device load switching
• General-purpose high-side power distribution

Procurement Notes

Verify the specific suffix YFT-TR corresponds to the 4-TMLF package and tape-and-reel quantity as documented in official Microchip ordering guides. Confirm that the 1.5A rating aligns with your thermal management capabilities, as some sources cite 2A peak limits. Ensure compatibility with the 1.7V to 5.5V operating window for your target application voltage. Cross-reference the RoHS status and MSL level with current manufacturing notices to guarantee compliance with assembly requirements.

Selection Notes

Select this component when a compact, low-resistance high-side switch is required for voltages up to 5.5V. The 4-TMLF package offers a small footprint suitable for space-constrained designs. Consider the 1.5A continuous current limit against your peak load demands. The integrated soft-start is critical if your downstream capacitive loads require controlled ramp-up times to prevent bus droop or latch-up conditions in the power source.

Part Context

This part belongs to the MIC9408x family of high-side load switches from Microchip Technology, which includes variants like MIC94080 through MIC94085. These devices share similar architectural features but differ in current ratings, package options, and specific timing characteristics. The MIC94082 specifically targets applications requiring a balance between low on-resistance and moderate current capacity in a minimal outline package.

Replacement Considerations

Public confirmed substitutes include other members of the MIC9408x series such as MIC94081YFT-TR or MIC94083YFT-TR, provided their current ratings and pinouts are compatible. Verify that any replacement maintains the same 4-TMLF package dimensions and electrical specifications for direct board-level interchangeability without redesign.