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MICROCHIP MIC2544-1YM-TRRoHS

Manufacturer
MICROCHIP
MPN
MIC2544-1YM-TR
LCSC Part #
C627828
Packaging
SOIC-8
Customer #
Key Attributes
Programmable Current-Limit High-Side Switch
Datasheetpdf iconMICROCHIP MIC2544-1YM-TR
In-Stock: 494
494 In stock, ships now
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QtyUnit PriceTotal Amount
1+$ 1.2035$ 1.20
10+$ 0.9885$ 9.89
30+$ 0.8697$ 26.09
100+$ 0.7361$ 73.61
500+$ 0.6759$ 337.95
1,000+$ 0.6498$ 649.80
Standard Packaging2500/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Power Distribution Switches, Load Drivers
ManufacturerMICROCHIP
PackagingSOIC-8
Operating Temperature-40℃~+85℃
FeaturesOvercurrent Protection;Short-Circuit Protection;Over temperature protection;Reverse current blocking;Soft-start;Integrated charge pump;Latch protection
number of channels1
Control Input LogicActive High
Maximum Continuous Current1.5A
RDS(on)80mΩ
Operating Voltage2.7V~5.5V
TypeHigh Side Switch
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging2500
Sales UnitPiece

Introduction

AI Translation

The MIC2544 and MIC2548 are integrated, high-side power switches optimized for low-loss DC power switching and other power management applications, including Advanced Configuration and Power Interface (ACPI). They are cost-effective, highly integrated solutions that require few external components to satisfy USB and ACPI requirements.

Load current management features include a precision resistor-programmable output current-limit and a soft-start circuit that minimizes inrush current when the switch is enabled. Thermal shutdown, along with current-limit, protects the switch and the attached device.

The MIC2544/48’s open-drain flag output is used to indicate current-limiting or thermal shutdown to a local controller. The MIC2548 has an additional internal latch that turns the output off upon thermal shutdown, providing robust fault control. The enable signal is compatible with both 3V and 5V logic, and is also used as the thermal shutdown latch reset for the MIC2548.

The MIC2544 and MIC2548 are available in active-high and active-low enable versions in the 8-pin SOIC and 8-pin MSOP packages.

Features

AI Translation
  • 2.7V to 5.5V Input
  • Adjustable Current-Limit up to 1.5A
  • Reverse Current Flow Blocking (No “Body Diode”)
  • 75 μA Typical On-State Supply Current
  • 1 μA Typical Off-State Supply Current
  • 120 mΩ Maximum On-Resistance
  • Open-Drain Fault Flag
  • Thermal Shutdown
  • Thermal Shutdown Output Latch (MIC2548)
  • 2 ms (Slow) Turn-On and Fast Turn-Off
  • Available with Active-High or Active-Low Enable

Applications

AI Translation
  • USB Power Distribution
  • PCI Bus Power Switching
  • Notebook PC
  • ACPI Power Distribution
  • PC Card Hot Swap Applications
  • Inrush Current-Limiting