MAX5901ABETT+

Hot Swap Controllers Overview

The MAX5901ABETT+ is a hot-swap voltage controller from the Simple Swapper family, designed for -48V applications. It operates from a -9V to -100V supply and features a single channel with no internal switch. The device provides adjustable current limiting, fault timeout, thermal limiting, and auto-retry capabilities. It utilizes UVLO programmability and is housed in a 6-TDFN (3x3) exposed pad surface-mount package.

Hot Swap Controllers Feature Summary

• Eliminates external components except an N-channel MOSFET for simple hot-swap implementation
• Provides circuit-breaker function for overcurrent protection during startup
• Includes fault timeout and thermal limiting for robust system protection

Hot Swap Controllers Applications

• -48V telecom line cards
• Circuit card hot-plugging into live backplanes
• Power-supply sequencing applications

Hot Swap Controllers Procurement Notes

Verify component status as this part may be obsolete or discontinued. Confirm availability through authorized distributors or secondary market sources like Rochester Electronics. Ensure RoHS compliance matches project requirements. Validate package integrity upon receipt. Check datasheet revisions for any functional updates.

Hot Swap Controllers Selection Notes

Select this controller for -48V systems requiring compact SOT23/TDFN footprints. It suits designs needing adjustable current limits and thermal protection without complex external circuitry. Consider the absence of an internal switch when sizing the external MOSFET. Verify operating temperature range meets environmental specifications.

Hot Swap Controllers Part Context

Part of the MAX5900/MAX5901 Simple Swapper series offering simplified hot-swap solutions. These controllers allow safe insertion of circuit cards into live backplanes without power rail glitches. The family focuses on minimizing external component count while providing essential protection features like inrush current limiting and overcurrent circuit-breaking.

Hot Swap Controllers FAQ

Does the MAX5901ABETT+ include an internal switch?

No, the MAX5901ABETT+ does not contain an internal switch and requires an external N-channel MOSFET.

What is the operating voltage range for this controller?

The device operates from a negative supply voltage ranging from -9V to -100V.