MAX1823HEUB+

Overview

The MAX1823HEUB+ is a dual-channel, active-high enable USB power switch designed for peripheral applications. It operates within a supply voltage range of 4V to 5.5V and draws a typical supply current of 50µA. The device supports surface mount mounting in a 10-uMAX package. It functions across an operating temperature range of -40°C to 85°C. Key electrical characteristics include independent fault reporting and autoreset capabilities.

Feature Summary

• Dual-channel architecture with active-high enable control
• Integrated thermal shutdown and overload protection
• Independent fault reporting mechanism
• Autoreset functionality for recovery

Applications

• USB port protection
• Peripheral power switching
• Overcurrent protection circuits

Procurement Notes

Verify component authenticity through authorized channels due to obsolete status. Confirm package integrity and pin alignment against the 10-uMAX specification. Validate lot traceability and storage conditions to ensure reliability. Cross-reference datasheet revisions for any parameter updates prior to integration into final designs.

Selection Notes

Select this component for applications requiring dual-channel USB power management with integrated safety features. Consider the 4V to 5.5V supply range and 50µA quiescent current when designing power budgets. Ensure thermal management strategies align with the built-in thermal shutdown limits for reliable operation in confined spaces.

Part Context

The MAX1823 series belongs to Maxim Integrated's portfolio of USB power switches. This specific variant integrates multiple safety protections into a compact surface-mount package. It serves as a specialized solution for protecting downstream peripherals from overcurrent and thermal events in USB-based systems.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Due to the obsolete status, direct replacements may require design review and functional verification.