MIC2544-1YM-TR

$0.94

Description：IC PWR SWITCH N-CHAN 1:1 8SOIC
Series：-
Mfr：Microchip Technology
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:57a0bfefe6aa Category: Power Distribution Switches, Load Drivers Brand: Microchip Technology

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Product introduction

Product Detailed Parameters

Description：IC PWR SWITCH N-CHAN 1:1 8SOIC
Series：-
Mfr：Microchip Technology
Package：Tape & Reel (TR),Cut Tape (CT)
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-SOIC
Package / Case：8-SOIC (0.154", 3.90mm Width)

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MIC2544-1YM-TR

Overview

The MIC2544-1YM-TR is a single-channel high-side power switch IC manufactured by Microchip Technology. It features an N-channel MOSFET with a maximum continuous output current of 1.5A and a typical on-resistance of 80 milliohms. The device operates within a supply voltage range of 2.7V to 5.5V and supports programmable current limiting from 100mA to 1.5A. It includes adjustable shutdown time (up to 5ms) and idle time (up to 22us). The component is housed in an 8-SOIC package and functions within a temperature range of -40°C to +85°C.

Feature Summary

Integrates programmable current limit protection for precise load management
Provides reverse current flow blocking to prevent back-powering
Includes status flag output for fault indication and system monitoring

Applications

USB port power distribution and switching
Peripheral power control in computing systems
Battery-powered equipment load switching

Procurement Notes

Verify the specific suffix 'YM' corresponds to the 8-SOIC package variant when sourcing. Confirm RoHS compliance status as per the latest manufacturer documentation. Ensure the ordering part number matches the required tape-and-reel packaging format. Cross-reference the datasheet revision to validate electrical parameters against your design requirements.

Selection Notes

Select this component for applications requiring a single high-side switch with adjustable current limits. The 8-SOIC package suits surface-mount designs with moderate pin count needs. Consider the 80 milliohm on-resistance for efficiency calculations. Verify that the 2.7V to 5.5V input range aligns with the system's available power rails.

Part Context

This part belongs to the MIC2544 family of USB power switches. It serves as a single-channel solution, distinct from dual-channel variants like the MIC2548. The device integrates protection features typically found in discrete power switch implementations into a compact integrated circuit form factor.