TCA9517DGKR

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TCA9517DGKR

IC TRNSLTR BIDIRECTIONAL 8VSSOP

  • Nhà sản xuất
  • Ông. Phần #TCA9517DGKR
  • Gói VSSOP (DGK)-8
  • Bảng dữ liệu
  • Có sẵn6581

100% gốc & amp; Mới

24 giờ sẵn sàng để vận chuyển

Bảo hành 365 ngày

RFQ & amp; Nhận thêm Giảm giá

Thông số kỹ thuật

Package Tape & Reel (TR),Cut Tape (CT)
Series TCA
ProductStatus Active
TranslatorType Voltage Level
ChannelType Bidirectional
NumberofCircuits 1
ChannelsperCircuit 2
Voltage-VCCA 0.9 V ~ 5.5 V
Voltage-VCCB 2.7 V ~ 5.5 V
OutputType Open Drain
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)

Tổng quan

Description

The TCA9517DGKR is a dual bidirectional I2C bus and SMBus buffer designed to allow multiple I2C devices to communicate over longer distances or to isolate devices operating at different voltage levels. It supports data rates up to 1 MHz and features active-low enable pins for each channel, allowing for selective buffering.
This device has two separate I2C channels, each capable of buffering the SDA and SCL lines. It operates across a supply voltage range of 1.8V to 5.5V, making it versatile for various applications. The TCA9517DGKR is particularly useful in systems where signal integrity is crucial, such as in complex networks or when interfacing with legacy devices.
Additionally, the device includes built-in pull-up resistors, simplifying design requirements. The TCA9517DGKR is available in a 16-pin HTQFP package and is suitable for applications in consumer electronics, automotive, and industrial systems where reliable I2C communication is essential.

Features

The TCA9517DGKR is a dual bidirectional I²C bus and SMBus level translator designed to facilitate communication between devices with different voltage levels. Key features include:
1. Dual Channel: Supports two separate I²C bus channels.
2. Voltage Level Translation: Operates between 1.2V to 5.5V on the low side and 1.2V to 5.5V on the high side.
3. Bidirectional Operation: Allows data to flow in both directions without the need for direction control.
4. Fast Mode Support: Compatible with I²C Fast Mode up to 1 MHz.
5. Open-Drain Configuration: Designed for open-drain signals, which allows multiple devices to connect to the bus.
6. Pull-Up Resistors: No external pull-up resistors required, simplifying design.
7. Low Power Consumption: Ideal for battery-operated devices due to its efficient power usage.
8. Temperature Range: Operates across a wide temperature range, suitable for various applications.
These features make the TCA9517DGKR suitable for interfacing devices with different voltage levels in I²C/SMBus systems.

Package

The TCA9517DGKR is packaged in a VQFN (Very Thin Quad Flat No-lead) package type, specifically a 16-pin VQFN (3mm x 3mm). This compact package design is suitable for applications requiring space-saving solutions.

Pinout

The TCA9517DGKR is a dual bidirectional I2C bus buffer with a total of 16 pins. It is designed to facilitate communication between I2C devices operating at different voltage levels while maintaining signal integrity over longer distances.
Pin Count: 16
Key Functions:
- Bidirectional Buffering: Supports I2C communication by buffering SDA (data) and SCL (clock) lines, allowing for higher capacitance loads.
- Voltage Level Translation: Can connect devices operating at different voltage levels (e.g., 1.8V to 5V).
- I2C Compatibility: Maintains the I2C protocol, ensuring proper clock stretching and signaling.
- Active/Inactive States: Features a power-on reset and can be disabled to reduce power consumption.
- Input/Output Pins: The pins are designated for high-speed input/output while preventing cross-talk between different voltage domains.
This makes the TCA9517DGKR ideal for applications requiring reliable I2C communication in multi-voltage environments.

Manufacturer

The TCA9517DGKR is manufactured by Texas Instruments (TI), a leading global semiconductor company headquartered in Dallas, Texas. Texas Instruments designs and produces a wide range of electronic components, including analog and embedded processing chips. The company is well-known for its innovations in analog technology and digital signal processing, catering to various industries such as automotive, industrial, communications, and consumer electronics. TI is recognized for its commitment to research and development, providing advanced solutions that enhance the performance and efficiency of electronic systems.

Application

The TCA9517DGKR is a dual I2C bus buffer designed for improving signal integrity in I2C communication over longer distances or multiple devices. It is commonly used in applications such as industrial automation, consumer electronics, automotive systems, and communication devices. It helps in extending the bus length, enabling multi-master configurations, and isolating different segments of the I2C bus, ensuring reliable data transmission.

Equivalent

The TCA9517DGKR is a dual bidirectional I2C bus buffer. Equivalent products include the PCA9517, P82B715, and the TCA9515. These chips also serve similar functions in I2C bus expansion and level shifting. Always verify specifications and compatibility for your specific application.

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