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MIC2546-2YM
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Product Detailed Parameters
- Description：DUAL PROGRAMABLE CURRENT LIMIT S
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- 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 MIC2546-2YM is a dual high-side power switch IC from Microchip Technology, designed for USB power distribution and general DC load switching. It features two independent N-channel switches with programmable current limits and thermal shutdown protection. The device operates within an input voltage range of 2.7 V to 5.5 V and supports output currents up to 1.5 A per channel. Key electrical characteristics include an on-resistance (RDS(on)) of 80 mΩ at 5 V. It is housed in a 16-pin SOIC package and functions reliably across temperatures from -40°C to +85°C.
Feature Summary
- Dual independent high-side switches with integrated N-channel MOSFETs
- Programmable current limit control via external resistor
- Integrated thermal shutdown for overtemperature protection
- Reverse voltage blocking capability
Applications
- USB hub power distribution circuits
- Peripheral device power switching
- General-purpose DC load management
- Battery-powered equipment power gating
Procurement Notes
Verify the specific suffix 'YM' corresponds to the 16-pin SOIC package and commercial temperature grade (-40°C to +85°C). Confirm that the datasheet revision matches your design requirements, as pinout or electrical parameters may vary between revisions. Ensure compatibility with your PCB footprint and thermal management strategy given the 80 mΩ on-resistance.
Selection Notes
Select this component when dual-channel high-side switching with adjustable current limiting is required. It is suitable for applications needing low on-resistance to minimize power loss. Consider the 16-pin SOIC package constraints for board space. Verify that the external programming resistor values align with the desired current limit thresholds specified in the official datasheet.
Part Context
This part belongs to the MIC2546/2547 family of dual high-side power switches. It is functionally similar to the MIC2546-2YTS but differs in packaging; the YM variant uses a 16-pin SOIC, whereas the YTS uses a TSSOP-16. Both share identical electrical characteristics and functionality, allowing for potential mechanical substitution if pinouts are compatible.
Replacement Considerations
MIC2546-2YTS-TR is a direct functional equivalent with identical electrical specifications, differing only in the TSSOP-16 package instead of SOIC-16.
