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MIC2042-1YTS
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Product Detailed Parameters
- Description：IC PWR SWITCH N-CHAN 1:1 14TSSOP
- Series：-
- Mfr：Microchip Technology
- Package：Tube
- 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 MIC2042-1YTS is a single-channel high-side USB power distribution switch manufactured by Microchip Technology. It operates within an input voltage range of 0.8V to 5.5V and supports output currents from 0.5A to 3A. The device features a typical on-resistance of 38mΩ to 40mΩ, ensuring efficient power delivery. It includes integrated protection mechanisms such as current limiting and thermal shutdown. The component is housed in a 14-pin TSSOP package and is rated for operation between -40°C and +85°C.
Feature Summary
- Integrated high-side MOSFET switch optimized for low-voltage power distribution applications
- Built-in current limiting and thermal shutdown for circuit and load protection
- Soft-start functionality to minimize inrush current on capacitive loads
- Active-high enable logic with undervoltage lockout
Applications
- USB port power switching and distribution
- General-purpose power distribution circuits requiring overcurrent protection
- Multi-port USB hub designs managing upstream/downstream power requirements
- Battery-powered systems needing efficient high-side switching
Procurement Notes
Verify the specific suffix 'TTS' or 'TTS-TR' against the official datasheet to confirm packaging type (tube vs. reel) and temperature grade. Ensure the order matches the required pin count and package style. Cross-reference the manufacturer part number with authorized distributors to confirm active status and RoHS compliance details before finalizing procurement.
Selection Notes
Select this component when designing circuits requiring a single high-side switch with adjustable or fixed current limits up to 3A. It is suitable for applications operating below 5.5V where low on-resistance and soft-start capabilities are critical. Consider the 14-pin TSSOP footprint for PCB layout constraints and verify that the thermal performance meets the system's heat dissipation requirements under maximum load conditions.
Part Context
This part belongs to the MIC2042 family of power distribution switches from Microchip Technology. The family includes variants with different channel counts, packages, and resistance values. The MIC2042 series is designed to replace traditional fuse-based solutions, offering resettable protection and precise control for modern electronic devices requiring robust power management.
Replacement Considerations
Check the MIC2042-1YM for tube packaging alternatives. Verify compatibility with MIC2040/2041 series for similar functional requirements, noting differences in on-resistance and current limit specifications. Ensure any substitute maintains the same voltage range and package dimensions for direct board replacement.
