MAX1823BEUB+T

Overview

The MAX1823BEUB+T is a dual-channel USB power distribution switch designed for portable applications. It operates within a supply voltage range of 4 V to 5.5 V and supports up to 720 mA output current per channel with a 900 mA current limit. The device features a maximum on-resistance of 120 mOhms and includes fault blanking capabilities. It functions reliably across an operating temperature range of -40°C to +85°C.

Feature Summary

• Dual-channel architecture for independent USB port power management
• Integrated auto-reset mechanism that latches off during fault conditions
• Fault blanking feature to prevent false triggering during inrush events

Applications

• Portable computing devices requiring USB hub power distribution
• Mobile communication equipment with multiple peripheral interfaces
• Consumer electronics utilizing USB connectivity for data and power

Procurement Notes

Verify the complete part number including suffixes such as +T for tape-and-reel packaging when ordering. Confirm RoHS compliance status through official manufacturer documentation or authorized distributor declarations. Ensure the specific variant matches your system requirements regarding package type and thermal performance before finalizing procurement decisions.

Selection Notes

Select this component when dual-channel USB power switching with current limiting is required. Consider the 10-uMAX package size for space-constrained designs. Evaluate the 120 mOhm on-resistance against efficiency needs. Verify compatibility with the 4 V to 5.5 V input voltage range of the host system.

Part Context

This device belongs to the MAX1823A/B series of USB power switches from Analog Devices/Maxim Integrated. These components are engineered specifically for USB power distribution applications, offering integrated protection features. The BEUB+T designation indicates a specific package and lead-free configuration within this product family.

Replacement Considerations

Publicly confirmed substitute part numbers include MAX1823AEUB+T. Verify pinout compatibility and electrical specifications before substitution.