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PCA9518PWR

Name: PCA9518PWR
Rating: 4.7 (12 reviews)

IC INTERFACE SPECIALIZED 20TSSOP

Производитель
Мфр. Часть #PCA9518PWR
Пакет TSSOP (PW)-20
Лист данных
В наличии6879

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Спецификации

Package	Tape & Reel (TR),Cut Tape (CT)
ProductStatus	Active
Applications	Buffer
Interface	I²C, SMBus
Voltage-Supply	3V ~ 3.6V
Package/Case	20-TSSOP (0.173, 4.40mm Width)
SupplierDevicePackage	20-TSSOP

Обзор

Description

The PCA9518PWR is a dual bidirectional I2C bus buffer designed to extend the communication distance and increase the number of I2C devices on a bus. It allows for the connection of multiple I2C devices that may operate at different voltage levels, facilitating interoperability in mixed-voltage environments. The device maintains signal integrity by strengthening the I2C signals, which is crucial in applications with longer traces or multiple devices.
Key features include:
- Dual Buffering: Supports two I2C bus segments, enhancing flexibility in circuit design.
- Voltage Level Translation: Can operate with varying supply voltages, typically from 1.8V to 5V.
- Fast Mode Compatibility: Supports standard and fast I2C modes up to 400 kHz.
- Low Power Consumption: Designed for energy-efficient operation.
The PCA9518PWR is widely used in consumer electronics, industrial automation, and communication devices, making it a versatile component for developers looking to expand their I2C networks.

Features

The PCA9518PWR is an I²C and SMBus bus buffer designed to extend the bus capacitance and enable communication between I²C devices operating at different voltage levels. Key features include:
1. Voltage Level Translation: Supports bidirectional level shifting between 1.8V to 5V I²C devices.
2. Bus Buffering: Enhances the maximum bus capacitance, allowing longer trace lengths and more devices.
3. High-Speed Operation: Supports standard (100 kHz), fast (400 kHz), and fast-mode plus (1 MHz) I²C communication speeds.
4. Low Power Consumption: Designed for low quiescent current, making it efficient for battery-operated devices.
5. Wide Temperature Range: Operates effectively in a temperature range of -40°C to +85°C.
6. Multiple Channels: Contains two channels for isolating two I²C buses.
7. Active Pull-Up Resistors: Integrated pull-up resistors for improved signal integrity.
These features make the PCA9518PWR suitable for a variety of applications, including consumer electronics, automotive, and industrial devices.

Package

The PCA9518PWR is packaged in a TSSOP-20 (Thin Shrink Small Outline Package) format. This surface-mount package is designed for space-efficient applications, offering reduced size and enhanced thermal performance.

Pinout

The PCA9518PWR is an I²C bus buffer and level shifter. It features an 8-pin package (TSSOP). The pinout and their functions are as follows:
1. VCC: Supply voltage (2.3V to 5.5V).
2. GND: Ground.
3. SDA: Serial Data Line (I²C data line).
4. SCL: Serial Clock Line (I²C clock line).
5. SDA_IN: Input for the I²C data line from the master device.
6. SCL_IN: Input for the I²C clock line from the master device.
7. SDA_OUT: Output to the I²C data line for the slave device.
8. SCL_OUT: Output to the I²C clock line for the slave device.
The PCA9518PWR isolates and buffers the I²C signals across different voltage levels, ensuring reliable communication between devices operating at different logic levels.

Manufacturer

The PCA9518PWR is manufactured by NXP Semiconductors, a global semiconductor company that specializes in providing high-performance mixed-signal and standard product solutions. NXP focuses on various markets, including automotive, industrial, IoT, and mobile applications. The company is known for its innovation in microcontrollers, processors, and connectivity solutions, catering to both consumer and enterprise needs. NXP Semiconductors was formed from the spinoff of Philips' semiconductor division and has since established itself as a leader in the semiconductor industry, emphasizing security and connectivity in its product offerings.

Application

The PCA9518PWR is an I2C bus buffer that allows multiple devices to communicate over longer distances or to connect multiple I2C buses. Its application areas include consumer electronics, automotive systems, industrial automation, and communication devices. It is used in scenarios requiring signal integrity improvement, level shifting between different voltage systems, and establishing multiple I2C bus segments while maintaining proper communication between devices.

Equivalent

The PCA9518PWR is an I2C bus buffer. Equivalent products include the TCA9517, TCA9518, and P82B715. These alternatives also serve to extend the I2C bus and improve signal integrity. Always check specific datasheets for compatibility in voltage levels, speed, and other parameters before substitution.

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