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MIC2546-2BM-TR
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Product Detailed Parameters
- Description：IC PWR SWITCH N-CHAN 1:1 16SOIC
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Switch Type：USB Switch
- Number of Outputs：2
- 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, Reverse Current
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：16-SOIC
- Package / Case：16-SOIC (0.154", 3.90mm Width)
- Grade：-
- Qualification：-
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Overview
The MIC2546-2BM-TR is a dual high-side power switch IC designed for USB power distribution applications. It features two independent channels with adjustable current limiting capabilities, supporting a maximum output current of 1.5 A per channel. The device operates within a supply voltage range of 2.7 V to 5.5 V and includes thermal shutdown protection. It is housed in a 16-SOIC surface-mount package and functions reliably across an operating temperature range of -40°C to +85°C.
Feature Summary
- Dual-channel high-side switching architecture for independent load control
- Programmable current limit functionality to protect downstream circuits
- Integrated thermal shutdown protection against overheating conditions
Applications
- USB hub power distribution systems
- Portable electronic device power management
- Peripheral interface power switching
Procurement Notes
Verify the specific suffix 'BM' corresponds to the 16-SOIC package variant when sourcing. Confirm that the ordering part number matches the required tape-and-reel packaging configuration. Ensure compatibility with the target PCB footprint dimensions for the SOIC-16 case. Cross-reference the manufacturer's latest datasheet for any updates on pinout or electrical characteristics before finalizing procurement.
Selection Notes
Select this component for designs requiring dual isolated high-side switches with programmable current limits. It is suitable for USB-powered applications needing overcurrent protection. Consider the 16-SOIC package constraints for board space. Evaluate the 2.7V to 5.5V input range against system supply rails. Verify thermal performance requirements given the integrated shutdown feature.
Part Context
This part belongs to the MIC2546 family of USB power switches from Microchip Technology. The family includes variants with different packages such as TSSOP and SOIC, and options like the MIC2546-2YTS-TR. These devices are engineered for robust power distribution in consumer electronics and industrial interfaces.
Replacement Considerations
The MIC2546-2YM-TR is a documented substitute offering similar dual-channel functionality but in an SOIC package. The MIC2546-2YTS-TR provides equivalent features in a TSSOP-16 package. Verify pin-to-pin compatibility and package dimensions before substitution.
