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MIC2544-1YMM
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Product Detailed Parameters
- Description：IC PWR SWITCH N-CHAN 1:1 8MSOP
- Series：-
- Mfr：Microchip Technology
- Package：Tube
- Switch Type：USB Switch
- Number of Outputs：1
- Ratio - Input:Output：1:01
- Output Configuration：High Side
- Output Type：N-Channel
- Interface：On/Off
- Voltage - Load：2.7V ~ 5.5V
- Voltage - Supply (Vcc/Vdd)：Not Required
- Current - Output (Max)：1.5A
- Rds On (Typ)：80mOhm
- Input Type：Non-Inverting
- Features：Status Flag
- Fault Protection：Current Limiting (Adjustable), Over Temperature
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：8-MSOP
- Package / Case：8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
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Overview
The MIC2544-1YMM is a single-channel high-side power switch IC from Microchip Technology, designed for low-loss DC load switching. It features an N-channel MOSFET with a maximum on-resistance of 120 mΩ and supports output currents up to 1.5 A. The device operates within a supply voltage range of 2.7 V to 5.5 V and includes programmable current limiting adjustable from 100 mA to 1.5 A. It provides comprehensive protection against overcurrent, thermal overload, and reverse polarity conditions.
Feature Summary
- Integrates a high-side N-channel MOSFET with low on-resistance for efficient power distribution
- Features fully programmable current limit threshold for precise load management
- Includes built-in thermal shutdown and overcurrent protection mechanisms
- Supports ACPI-compliant control interfaces for system integration
Applications
- USB hub power distribution and port switching
- Peripheral device power sequencing in embedded systems
- ACPI-compliant power management circuits
- Load switching for low-voltage DC applications
Procurement Notes
Verify the specific suffix (YMM) corresponds to the MSOP-8 package and lead-free RoHS compliance when sourcing. Confirm that the procurement channel provides the official Microchip datasheet DS20005725 for final electrical parameter validation before implementation.
Selection Notes
Select this component for applications requiring a single-channel high-side switch with adjustable current limits. Ensure the load current does not exceed the 1.5 A absolute maximum rating. Consider the 120 mΩ on-resistance for power dissipation calculations in high-current scenarios.
Part Context
This part belongs to the MIC2544 family of integrated high-side switches. It is optimized for low-loss DC load switching and power management applications. The device integrates protection features typically found in discrete solutions, simplifying design complexity for USB and peripheral power distribution tasks.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Consult the manufacturer's official cross-reference tools or datasheet for potential alternatives.
