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MAX1931EUB-T
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Product Detailed Parameters
- Description：SWITCH FOR TWO USB PORTS
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Bulk
- Switch Type：USB Switch
- Number of Outputs：1
- Ratio - Input:Output：1:01
- Output Configuration：High Side
- Output Type：P-Channel
- Interface：On/Off
- Voltage - Load：2.7V ~ 5.5V
- Voltage - Supply (Vcc/Vdd)：Not Required
- Current - Output (Max)：500mA
- Rds On (Typ)：60mOhm
- Input Type：Non-Inverting
- Features：Status Flag
- Fault Protection：Current Limiting (Fixed), Over Load, Over Temperature, Short Circuit, UVLO
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Supplier Device Package：10-uMAX
- Package / Case：10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Grade：-
- Qualification：-
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Overview
The MAX1931EUB-T is a USB peripheral power management IC designed for single-port applications. It integrates a current-limited switch with an output current capability of 400 mA and a maximum on-resistance of 150 mOhms. The device features a built-in fault blanking mechanism to prevent false triggering during transient events. It operates within a temperature range of -40°C to +85°C and is housed in a compact 10-pin µMAX or uSOP package, suitable for space-constrained portable electronics.
Feature Summary
- Integrates a single-channel current-limited switch for USB port protection
- Includes built-in fault blanking circuitry to enhance reliability
- Provides accurate preset current limiting for overcurrent protection
Applications
- USB peripheral power management
- Portable electronic devices requiring single-port USB switching
- Systems needing integrated overcurrent protection for USB interfaces
Procurement Notes
Verify the specific suffix (T vs +) against the manufacturer's official documentation to ensure correct packaging and lead-free status. Confirm that the 10-pin µMAX/uSOP package aligns with your PCB footprint requirements. Check for any regional distribution restrictions or obsolescence notices directly from Analog Devices or authorized distributors before finalizing procurement plans.
Selection Notes
Select this component when a single USB port requires integrated current limiting and fault protection in a small form factor. Ensure the 400 mA output current meets the load requirements. Verify compatibility with the system's voltage levels and thermal constraints within the specified operating temperature range. Consider the 150 mOhms on-resistance impact on power efficiency for the application.
Part Context
This part belongs to the Maxim Integrated family of USB interface and power management solutions. It complements other USB switches and transceivers by providing dedicated current-limiting functionality for individual ports. The series typically targets mobile and embedded applications where space and integration are critical design factors.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided data. Consult Analog Devices' official cross-reference tools or distributor databases for verified alternatives if this specific part number is unavailable.
