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MIC2042-1BTS
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Product Detailed Parameters
- Description：POWER DISTRIBUTION SWITCH
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Switch Type：General Purpose
- Number of Outputs：1
- Ratio - Input:Output：1:01
- Output Configuration：High Side
- Output Type：N-Channel
- Interface：On/Off
- Voltage - Load：0.8V ~ 5.5V
- Voltage - Supply (Vcc/Vdd)：1.6V ~ 5.5V
- Current - Output (Max)：3A
- Rds On (Typ)：40mOhm
- Input Type：Non-Inverting
- Features：Slew Rate Controlled, Status Flag
- Fault Protection：Current Limiting (Adjustable), Open Load Detect, Over Temperature, UVLO
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：14-TSSOP
- Package / Case：14-TSSOP (0.173", 4.40mm Width)
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Overview
The MIC2042-1BTS is a single-channel high-side power distribution switch manufactured by Microchip Technology. It operates within an input voltage range of 0.8V to 5.5V and supports a current limit between 0.5A and 3A. The device features a typical on-resistance of 40mΩ and includes soft-start functionality to manage inrush currents. It provides thermal shutdown protection and a fault status output for overcurrent detection. The component is housed in a 14-pin TSSOP package and is rated for operation from -40°C to +85°C.
Feature Summary
- High-side MOSFET switching optimized for general-purpose power distribution
- Integrated soft-start circuitry minimizes inrush current for capacitive loads
- Built-in thermal shutdown protects the device and load during fault conditions
- Dedicated fault status flag indicates overcurrent or thermal shutdown events
Applications
- Multi-port USB power distribution applications
- General purpose circuit protection systems
- Upstream and downstream power requirement management
Procurement Notes
Verify the specific suffix 'BTS' corresponds to the 14-pin TSSOP tube packaging configuration as indicated in distributor catalogs. Confirm that the current limit rating aligns with system requirements, as the series supports variable limits. Ensure compatibility with the 0.8V to 5.5V operating voltage range before integration into low-voltage designs.
Selection Notes
Select this component when a single-channel high-side switch with integrated protection is required. It is suitable for applications needing soft-start capabilities to protect highly capacitive loads. Consider the 40mΩ on-resistance for efficiency calculations. Verify that the 14-pin TSSOP package fits the PCB layout constraints compared to smaller SOIC alternatives in the same family.
Part Context
This part belongs to the MIC2042 series of low-voltage power distribution switches. It shares functional similarities with the MIC2040 and MIC2041 but offers distinct pinout and protection features. The series is designed for robust circuit protection in portable and industrial electronics requiring reliable power management.
Replacement Considerations
The MIC2042-1YM and MIC2042-1BM are alternative packages within the same series. Cross-reference electrical parameters carefully when substituting different package types to ensure pin compatibility and thermal performance meet design specifications.
