LTC4234IWHH#PBF

Hot Swap Controllers Overview

The LTC4234IWHH#PBF is an integrated hot swap controller from Analog Devices, designed for safe board insertion into live backplanes. It combines a hot swap controller, power MOSFET, and current sense resistor in one package. Key electrical parameters include a supply voltage range of 2.9V to 15V, maximum output current of 20A, and operating supply current of 1.6mA. The device supports an operating temperature range from -40°C to +85°C and utilizes an SMD/SMT surface mount package.

Hot Swap Controllers Feature Summary

• Integrates hot swap controller, power MOSFET, and current sense resistor for compact design
• Enables safe insertion and removal of boards from live backplanes
• Features programmable current limit, fault timeout, overvoltage protection, and turn-on voltage

Hot Swap Controllers Applications

• Hot swap applications requiring safe board insertion
• Live backplane system integration
• General purpose power distribution management

Hot Swap Controllers Procurement Notes

Verify the specific suffix #PBF indicates lead-free compliance when sourcing. Confirm the WHH package type matches your PCB footprint requirements. Ensure the 2.9V to 15V supply range aligns with your system's voltage rails. Check the -40°C to +85°C temperature rating against your environmental conditions. Validate that the integrated 20A current capability meets your load demands.

Hot Swap Controllers Selection Notes

Select this component when space efficiency is critical due to its integrated MOSFET and sense resistor. Consider it for systems requiring precise control over insertion sequences and fault protection. The programmable features allow customization for specific circuit protection needs. Ensure the surface mount package fits your assembly constraints. Verify compatibility with your backplane voltage levels within the specified operating range.

Hot Swap Controllers Part Context

This part belongs to the LTC4234 series of hot swap controllers by Analog Devices. It is categorized under PMIC - Power Management ICs. The device is specifically engineered for power distribution applications where board replacement without power loss is required. It represents a solution for managing inrush currents and protecting against faults during hot plug events.

Hot Swap Controllers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Users should consult official Analog Devices resources or authorized distributors for verified alternatives. Cross-referencing pinouts and electrical specifications is essential if considering other manufacturers' devices.