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MAX1823AEUB
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Product Detailed Parameters
- Description：DUAL USB SWITCH WITH AUTORESET
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- 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：4V ~ 5.5V
- Voltage - Supply (Vcc/Vdd)：Not Required
- Current - Output (Max)：720mA (Min)
- Rds On (Typ)：90mOhm
- Input Type：Non-Inverting
- Features：Load Discharge, Status Flag
- Fault Protection：Current Limiting (Adjustable), Over Load, Over Temperature, Reverse Current, 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 MAX1823AEUB is a dual USB power switch IC designed for efficient load management in USB applications. It features autoreset functionality, fault blanking, and status indication. Key electrical parameters include an operating voltage range of 4 V to 5.5 V, a maximum on-resistance of 120 mOhms, and an output current capability of 720 mA with a current limit of 900 mA. The device operates within a temperature range of -40°C to +85°C and utilizes a 10-pin µMAX package.
Feature Summary
- Dual-channel architecture with integrated current limiting and over-temperature protection
- Autoreset feature that latches the switch off during fault conditions until the fault is removed
- Fault blanking capability to prevent false triggering during startup or transient events
- Status flag output indicating active fault conditions
Applications
- USB peripheral power distribution
- Portable electronic device power management
- USB hub load switching
- Battery-powered equipment requiring efficient USB load control
Procurement Notes
Verify the specific suffix (e.g., +T for tape and reel) against your packaging requirements. Confirm RoHS compliance status through official documentation. Ensure the supplier provides valid traceability for Analog Devices/Maxim Integrated products. Check availability constraints as some variants may have limited stock or restricted sales regions.
Selection Notes
Select this component when dual independent USB channel control with automatic fault recovery is required. Consider the 120 mOhms on-resistance for thermal performance at 720 mA loads. Verify compatibility with 4 V to 5.5 V supply rails. The 10-pin µMAX package suits space-constrained designs. Evaluate if the 3 ms max on-time meets system startup timing requirements.
Part Context
Part of the MAX1823A series of USB power switches. Designed by Maxim Integrated, now part of Analog Devices Inc. Targets applications needing robust USB port protection and management without external components. Competes with other dual USB switch ICs offering similar fault handling and low on-resistance characteristics.
Replacement Considerations
Direct substitutes include MAX1823AEUB+T. Verify pinout and electrical specifications match before substitution. Cross-reference with other MAX1823 variants if different packaging or temperature grades are needed.
