PCA9646PW,118

Signal Buffers, Repeaters, Splitters Overview

The PCA9646PW,118 is a buffered four-channel two-wire bus switch manufactured by NXP Semiconductors. It supports I2C-bus, SMBus, and PMBus applications. The device operates within a supply voltage range of 2.3 V to 5.5 V and features a maximum clock frequency of 1 MHz. Packaged in a 16-TSSOP format, it provides signal buffering and switching capabilities for digital bus systems.

Signal Buffers, Repeaters, Splitters Feature Summary

• Monolithic CMOS integrated circuit design for robust signal integrity
• Supports multiple protocol standards including I2C, SMBus, and PMBus
• Provides four independent channels for flexible bus topology management

Signal Buffers, Repeaters, Splitters Applications

• I2C-bus buffering and switching
• SMBus system integration
• PMBus interface expansion

Signal Buffers, Repeaters, Splitters Procurement Notes

This component is classified as End of Life and scheduled for obsolescence. Verify current availability status with authorized distributors before finalizing designs. Consider long-term supply chain risks associated with discontinued parts when planning production runs or maintenance cycles.

Signal Buffers, Repeaters, Splitters Selection Notes

Select this part for legacy systems requiring buffered four-channel switching on two-wire buses. Ensure the application voltage aligns with the 2.3 V to 5.5 V operating range. Evaluate pin compatibility if replacing existing buffer solutions in TSSOP-16 footprints.

Signal Buffers, Repeaters, Splitters Part Context

Part of the PCA9646 family of digital bus switches. Designed specifically for managing signal integrity across multiple branches in low-speed serial communication networks. Offers isolation between bus segments while maintaining protocol transparency.

Signal Buffers, Repeaters, Splitters Replacement Considerations

• PCA9646A