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Product Detailed Parameters
- Description:PROGRAMMABLE HIGH-SIDE SWITCH
- Series:-
- Mfr:Microchip Technology
- Package:Bulk
- 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)
- Grade:-
- Qualification:-
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Overview
The MIC2548-2BMM is a single-channel, high-side power switch IC from Microchip Technology's MIC2548 series. It operates within a supply voltage range of 2.7 V to 5.5 V and supports an output current up to 500 mA. The device features a programmable current limit adjustable between 100 mA and 1.5 A, with a maximum on-resistance of 120 mΩ. It includes a maximum turn-on time of 5 ms and a maximum off-time of 22 µs. Designed for surface-mount installation, it functions reliably across temperatures from -40°C to +85°C in an 8-pin MSOP package.
Feature Summary
- Integrates programmable current limiting for precise load protection
- Optimized for low-loss DC power switching applications
- Requires minimal external components to meet USB and ACPI standards
Applications
- Advanced Configuration and Power Interface (ACPI) power management
- Universal Serial Bus (USB) port protection and distribution
- Low-loss DC power switching circuits
Procurement Notes
Verify the specific suffix 'BMM' against the manufacturer's official datasheet DS20005725 to confirm the 8-lead MSOP package and temperature range. Ensure compatibility with system voltage requirements of 2.7 V to 5.5 V. Cross-reference the part number with authorized distributors to confirm availability and authenticity, as suffixes may indicate specific tape-and-reel or tube packaging configurations.
Selection Notes
Select this component when a single high-side switch with programmable current limiting is required for USB or ACPI compliance. It is suitable for applications needing low on-resistance to minimize power loss. Consider the 120 mΩ max Rds(on) and 500 mA continuous output capability. Verify that the 2.7 V to 5.5 V operating range aligns with the system's logic and power rails.
Part Context
The MIC2548-2BMM belongs to the MIC2544/48 family of integrated high-side power switches. This series is designed for cost-effective power distribution solutions requiring few external components. The MIC2548 variant specifically offers single-channel control, distinguishing it from multi-channel counterparts in the same family.
Replacement Considerations
The MIC2548-2YM is a related variant within the same series offering similar electrical characteristics but potentially different packaging or temperature specifications. Verify pinout compatibility and exact current limit ranges before substitution.
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