LM5069MMX-2/NOPB

Hot Swap Controllers Overview

The LM5069MMX-2/NOPB is a positive hot swap controller from Texas Instruments designed for intelligent power supply connection management during circuit card insertion or removal. It operates within a wide voltage range of 9 V to 80 V and features adjustable current limiting and programmable maximum power dissipation in the external N-channel MOSFET to ensure Safe Operating Area compliance. The device includes an internal high-side charge pump, adjustable UVLO/OVLO with hysteresis, and an active high open-drain POWER GOOD output. Unlike the latched version, this variant automatically restarts at a fixed duty cycle after fault detection.

Hot Swap Controllers Feature Summary

• Provides in-rush current control to limit system voltage droop and transients during board insertion into live power sources
• Features automatic restart capability at a fixed duty cycle following fault detection events
• Includes programmable fault timer to avoid nuisance trips and initial insertion delay for transient subsidence
• Integrates internal high-side charge pump and gate driver for external N-channel MOSFET control

Hot Swap Controllers Applications

• Hot swapping circuit cards into live system backplanes
• Managing power connections from other hot power sources
• Protecting external series pass N-Channel MOSFETs within Safe Operating Area limits

Hot Swap Controllers Procurement Notes

Verify the specific suffix against official datasheets to confirm the automatic restart behavior associated with the '-2' designation. Ensure the package type matches the required PCB footprint, as variations exist within the family. Confirm RoHS compliance status through the manufacturer's latest documentation before finalizing procurement specifications.

Hot Swap Controllers Selection Notes

Select this component when automatic recovery from fault conditions is required without manual intervention. Compare against the '-1' variant if latching off upon fault detection is preferred for safety-critical applications. Evaluate the need for programmable current limits and power dissipation thresholds to match the external MOSFET capabilities and system requirements.

Hot Swap Controllers Part Context

This part belongs to the LM5069 series of positive hot swap controllers manufactured by Texas Instruments. It is housed in a 10-pin VSSOP package and falls under the PMIC - Power Management ICs category. The device is specifically engineered to manage power delivery during dynamic connection events, distinguishing it from standard voltage regulators.

Hot Swap Controllers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.