P82B96DR

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P82B96DR

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IC REDRIVER I2C 1CH 400KHZ 8SOIC

  • HerstellerTexas Instruments

  • Herstellerteil #P82B96DR

  • Paket SOIC-8

  • Auf Lager2408

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Spezifikationen

Attribut Wert
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Type Buffer, ReDriver
Applications I²C
Input 2-Wire Bus
Output 2-Wire Bus
DataRate(Max) 400kHz
NumberofChannels 2
Capacitance-Input 4 pF
Voltage-Supply 2V ~ 15V
Current-Supply 4mA
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Übersicht

Description

The P82B96DR is a bus buffer designed for I²C and SMBus systems, manufactured by NXP Semiconductors. It serves as a bidirectional interface between I²C-bus segments, allowing for the extension of the bus beyond the typical standard limitations. The device is particularly useful in applications requiring long buses or when connecting multiple devices across different voltages.
Key features of the P82B96DR include its ability to isolate capacitance on the bus, enabling the connection of more devices without degrading signal integrity. It supports two-way data transfer at speeds up to 400 kHz. The device operates over a voltage range, typically between 2 V and 15 V, making it versatile for various applications.
The P82B96DR helps mitigate signal attenuation and noise issues, ensuring reliable communication in complex systems. It includes separate supply voltage pins for each side of the bus, allowing for level shifting between different voltage domains. Overall, it is a robust solution for enhancing I²C and SMBus communications in industrial, automotive, and consumer electronics applications.

Equivalent

The P82B96DR is a NXP semiconductor product used as an I2C bus buffer. Equivalent products include the PCA9600 from NXP, the LTC4311 from Analog Devices, and the TCA9517 from Texas Instruments. These chips serve similar functions as I2C bus buffers or drivers, providing bidirectional voltage level translation and allowing for longer bus lengths and higher capacitance loads. Always verify specifications and compatibility with your specific application.

Features

The P82B96DR is a bi-directional bus buffer designed for I2C and SMBus systems. It facilitates communication between devices operating at different voltage levels and maximizes bus capacitance. Key features include:
1. Voltage Level Translation: It supports voltage level translation, allowing devices with differing supply voltages to communicate effectively.

2. High Drive Capability: The device features a high drive capability, enabling it to handle higher capacitance loads, which extends the I2C bus beyond its typical limitations.
3. Bidirectional Communication: It supports bidirectional data transfer, which is essential for I2C and SMBus operations.
4. Bus Buffering: The P82B96DR isolates capacitance by segmenting bus sections, which increases the overall bus capacitance without compromising communication speed.
5. Open-Drain Logic: It utilizes open-drain logic levels compatible with I2C bus specifications.
6. ESD Protection: The device is equipped with electrostatic discharge (ESD) protection to enhance reliability and durability.
7. Temperature Range: It operates across a broad temperature range, suitable for various industrial applications.
8. Compact Package: Available in a compact package, it is ideal for space-constrained designs.
These features make the P82B96DR a versatile solution for enhancing the performance and compatibility of I2C and SMBus systems.

Pinout

The P82B96DR is an I²C-bus extender designed to allow for long-distance communication and interfacing between devices. It is housed in an 8-pin SOIC package. Here’s a concise overview of its pin count and functions:
1. Pin 1 (Tx): Transmit data pin; used to send data to the bus.
2. Pin 2 (Rx): Receive data pin; used to receive data from the bus.
3. Pin 3 (SDA): Serial Data; bidirectional pin for data transfer.
4. Pin 4 (SCL): Serial Clock Line; input for clock signal.
5. Pin 5 (GND): Ground; connects to the system ground.
6. Pin 6 (VCC): Supply voltage; powers the device.
7. Pin 7 (Lx): Low side driver; used for connecting to the lower voltage side of the bus.
8. Pin 8 (Hx): High side driver; used for connecting to the higher voltage side of the bus.
The P82B96DR is primarily used to extend the reach of I²C buses by allowing them to operate over longer distances and higher bus capacitance than standard I²C-bus systems.

Manufacturer

The P82B96DR is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company headquartered in Dallas, Texas. It is primarily known for designing and manufacturing semiconductors and various integrated circuits, which are used in a wide range of electronic devices. TI's products are utilized in various industries, including automotive, industrial, consumer electronics, and communications equipment. The company is renowned for its innovation in analog and embedded processing technology.

Application

The P82B96DR is a dual bi-directional bus buffer designed for applications requiring I2C and SMBus compatibility. It is commonly used in:
1. Long-distance communication: Facilitates reliable data transmission over long cables.
2. Isolated bus segments: Allows for the isolation of different segments of I2C bus systems to improve signal integrity and noise immunity.
3. Multi-master systems: Supports systems with multiple master devices.
4. Interfacing different voltage levels: Enables communication between devices operating at different voltage levels.
5. Bus capacitance management: Helps manage high bus capacitance, enabling more devices on the bus.
6. Industrial and automotive applications: Used where robust and reliable communication is essential.
These applications leverage its ability to strengthen and isolate I2C/SMBus signals.

Package

The P82B96DR is an integrated circuit typically housed in a SOIC-8 (Small Outline Integrated Circuit) package. This package type is compact, suitable for surface mounting on printed circuit boards, and contains eight pins, which is common for various electronic components requiring a small form factor.

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