LTC4242IG#PBF

Hot Swap Controllers Overview

The LTC4242IG#PBF is a six-channel hot swap controller designed for PCI Express applications, manufactured by Analog Devices Inc. It operates within a supply voltage range of 2.7V to 14.4V and draws an operating supply current of 1.6 mA. The device features internal switches for both high-side and low-side control, housed in a 38-lead QFN package measuring 5mm x 7mm with an exposed pad. It supports surface mount installation and functions reliably across an industrial temperature range of -40°C to 85°C.

Hot Swap Controllers Feature Summary

• Integrates six independent channels for managing multiple slots in backplane systems
• Includes programmable features such as automatic retry, current limiting, fault timeout, and slew rate control
• Provides comprehensive protection mechanisms including undervoltage lockout (UVLO) and thermal shutdown

Hot Swap Controllers Applications

• PCI Express backplane slot management
• Hot swap controller circuits for expansion cards
• Multi-slot server and communication system power distribution

Hot Swap Controllers Procurement Notes

Verify the specific suffix against official Analog Devices documentation to confirm package type and temperature grade. Ensure compatibility with existing PCB footprints for the 38-QFN configuration. Confirm that the component meets RoHS3 compliance requirements for your assembly process. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and traceability before finalizing procurement orders.

Hot Swap Controllers Selection Notes

Select this component when designing systems requiring simultaneous management of multiple PCI Express slots. Consider the 38-QFN package dimensions for layout constraints. Evaluate the need for programmable fault handling and retry logic based on system reliability requirements. Verify that the input voltage range aligns with the available bus voltages in the target application environment.

Hot Swap Controllers Part Context

This part belongs to the LTC4242 family of hot swap controllers from Analog Devices. It is specifically optimized for PCI Express standards, offering integrated solutions for safe insertion and removal of circuit boards. The IG#PBF designation indicates a specific package and temperature variant within the broader product line, distinct from other suffixes like IUHF or CG.

Hot Swap Controllers Replacement Considerations

Consult official Analog Devices substitution guides for verified alternatives. Direct replacements must match the six-channel architecture and PCI Express compatibility. Verify pin-to-pin compatibility if swapping packages. Generic hot swap controllers may lack the specific feature set required for PCI Express compliance.