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MIC2545A-2BM-TR
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Product Detailed Parameters
- Description：IC PWR SWITCH N-CHAN 1:1 8SOIC
- 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)：3A
- Rds On (Typ)：35mOhm
- Input Type：Non-Inverting
- Features：Slew Rate Controlled, 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：8-SOIC
- Package / Case：8-SOIC (0.154", 3.90mm Width)
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Overview
The MIC2545A-2BM-TR is a single-channel high-side power switch manufactured by Microchip Technology. It features an N-channel MOSFET with a maximum on-resistance of 50 mΩ and supports an output current up to 3 A. The device operates within a supply voltage range of 2.7 V to 5.5 V. Key electrical parameters include a programmable current limit adjustable from 500 mA to 3 A, a maximum turn-on time of 5 ms, and a maximum off-time of 25 μs. It is designed for robust load protection in power distribution applications.
Feature Summary
- Integrates a high-side N-channel power switch with programmable current limiting capabilities
- Provides overcurrent protection with adjustable threshold settings
- Features low on-resistance for efficient power delivery
Applications
- Power distribution systems requiring load protection
- Peripheral power switching in embedded electronics
- Battery-powered devices needing efficient high-side control
Procurement Notes
Verify the specific suffix 'TR' indicates tape-and-reel packaging when sourcing. Confirm the manufacturer is Microchip Technology, as historical Micrel branding may appear in older documentation. Ensure the operating temperature range meets system requirements. Cross-reference the datasheet revision to confirm pinout and electrical characteristics match the intended design implementation.
Selection Notes
Select this component for applications requiring a single high-side switch with adjustable current limits. Consider the 50 mΩ on-resistance for thermal management. Evaluate the 2.7 V to 5.5 V supply range against system voltage rails. The SOIC-8 package suits surface-mount assembly processes. Verify compatibility with control logic levels for the enable function.
Part Context
This part belongs to the MIC2545A family of power distribution switches. It serves as a load switch solution for protecting downstream circuits from overcurrent conditions. The device simplifies power management by integrating control and protection functions into a compact package, replacing discrete solutions.
Replacement Considerations
Public confirmed substitute part numbers are not provided in the available documentation. Consult official Microchip resources or authorized distributors for verified cross-reference data before substituting.
