P82B715TD,118

IC, BUS EXTENDER, I2C, 8SOIC; IC Interface Type:I2C, SMBus; Applications:Advanced TCA Radial IPMB Architecture, Drive I2C Bus Signals over

P82B715TD,118 – I²C Bus Extender IC – NXP Semiconductors
This P82B715TD,118 I²C bus extender from NXP Semiconductors enables robust long-distance communication in industrial systems. Designed to drive I²C signals over extended cables or complex backplanes, this buffer/repeater IC enhances signal integrity while supporting critical applications like telecom infrastructure. PCX provides genuine NXP components with guaranteed quality assurance and expedited shipping.

Key Features

Interface Type: I²C/SMBus compatible
Data Rate: Up to 400kHz operation
Voltage Range: Wide 4.5V–12V supply
Input Capacitance: 3000pF load capacity
Temperature Range: Industrial-grade -40°C to +85°C
Package: 8-SOIC surface-mount (3.90mm width)

Technical Details
This single-channel bidirectional buffer extends I²C bus systems by amplifying signals and compensating for line capacitance. Its 2-wire bus architecture maintains protocol compatibility while enabling cable runs up to 20 meters. The device operates at 22mA supply current and features ESD protection for reliability in electrically noisy environments. Surface-mount design ensures compact integration into PCB layouts.

Typical Applications

AdvancedTCA® radial IPMB architecture
Industrial sensor networks
Telecommunication backplanes
Distributed control systems
Medical monitoring equipment

About NXP Semiconductors
NXP Semiconductors is a global leader in secure connectivity solutions for embedded applications. With over 60 years of innovation, NXP delivers high-performance mixed-signal electronics for automotive, industrial, and IoT markets. Their components are renowned for rigorous quality standards, electromagnetic compatibility, and extended lifecycle support.
NXP’s interface IC portfolio includes industry-compliant solutions tested under demanding environmental conditions. As a trusted semiconductor manufacturer, they maintain ISO/TS 16949 and ISO 14001 certifications, ensuring reliability for mission-critical systems worldwide.

About I²C Bus Extenders
I²C bus extenders solve signal degradation issues in distributed electronic systems. When I²C signals travel beyond standard 0.5-meter limits, capacitance and resistance cause waveform distortion leading to communication failures. Bus extenders act as signal repeaters, restoring voltage levels and timing integrity across extended networks.
These ICs are essential in industrial automation, server farms, and modular instrumentation where sensors, controllers, and peripherals span large areas. By enabling reliable long-distance I²C communication without protocol changes, they reduce system complexity while maintaining bidirectional data flow and clock synchronization.

Packaging Options
PCX supplies this I²C interface IC in multiple industrial-standard formats including Tape & Reel (TR), Cut Tape (CT), and Digi-Reel® configurations. All packaging options include moisture-sensitive labeling and ESD protection for safe handling and machine assembly.

Frequently Asked Questions
Q: Is this IC compatible with 3.3V I²C systems?
A: Yes, it operates across 4.5-12V, supporting common 5V and 3.3V logic through voltage translation.

Q: Can it drive multiple bus segments simultaneously?
A: As a single-channel device, it extends one I²C bus segment. For multi-branch systems, consider bus switches.

Q: What’s the maximum cable length supported?
A: Up to 20 meters with standard twisted-pair cable, depending on line capacitance and data rate.

Q: Does PCX provide lifecycle status updates?
A: Yes, PCX proactively notifies customers about component lifecycle changes and recommends migration paths.

Q: Are evaluation boards available for this IC?
A: NXP offers development kits for bus interface testing. Contact PCX support for evaluation hardware options.

Q: How does this differ from I²C hubs?
A: Extenders amplify signals for distance, while hubs create multiple branches from a single controller port.

Note: Product images are representational. Refer to datasheet for exact dimensions.
Datasheet: Download P82B715TD,