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MIC2548-1BMM-TR
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Product Detailed Parameters
- Description：IC PWR SWITCH N-CHAN 1:1 8MSOP
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- 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 MIC2548-1BMM-TR is a single-channel, high-side power switch IC from the Microchip MIC2548 series. It operates within a supply voltage range of 2.7V to 5.5V and supports an output current of up to 1.5A. The device features a maximum on-state resistance of 80mΩ and includes programmable current limiting with a typical turn-off time of 22µs. Designed for low-loss DC power switching, it utilizes an MSOP-8 package and functions effectively across industrial temperature ranges.
Feature Summary
- Integrated high-side N-channel power switch optimized for low-loss DC power distribution
- Programmable current limit protection mechanism to safeguard downstream loads
- Active-high logical control interface for straightforward system integration
Applications
- Low-loss DC power switching in embedded systems
- Power management applications requiring overcurrent protection
- USB power distribution circuits
Procurement Notes
Verify that the specific suffix 'BMM' corresponds to the MSOP-8 lead-free package variant as documented in official Microchip datasheets. Confirm that the operating voltage requirements align with the 2.7V to 5.5V specification before procurement. Ensure compatibility with the active-high logic level required for proper switch activation.
Selection Notes
Select this component when a single-channel high-side switch with integrated current limiting is required for 3.3V or 5V systems. The 80mΩ on-resistance makes it suitable for applications prioritizing efficiency. Consider the MSOP-8 footprint constraints and thermal performance relative to the 1.5A continuous current capability during design phase.
Part Context
This part belongs to the MIC2548 family of programmable current-limit high-side switches. It shares functional similarities with the MIC2544 series but offers distinct channel configurations. The device is manufactured by Microchip Technology, formerly Micrel, and is designed for robust power management in compact electronic designs.
Replacement Considerations
Direct substitutes include other single-channel high-side switches from the same manufacturer with compatible voltage and current ratings. Verify pinout compatibility and package dimensions when considering cross-manufacturer alternatives to ensure board-level interchangeability.
