Спецификации
| Атрибут | Ценность |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Series | TCA |
| Part Status | Active |
| Translator Type | Voltage Level |
| Channel Type | Bidirectional |
| Number of Circuits | 1 |
| Channelsper Circuit | 2 |
| Voltage - VCCA | 0.8 V ~ 5.5 V |
| Voltage - VCCB | 2.2 V ~ 5.5 V |
| Output Type | Open Drain |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
Обзор
Description
The TCA9617BDGKR is a bidirectional I2C bus repeater designed by Texas Instruments. It facilitates communication between devices with differing voltage levels, making it useful in systems where components operate at different logic levels. The device supports I2C bus speeds up to 1 MHz, enhancing data transfer capabilities. It features two bidirectional channels with voltage-level translation capability, allowing the device to interface between a wide range of I2C devices.
One of the key features of the TCA9617BDGKR is its ability to maintain the integrity of the I2C signals while providing isolation between different segments of the bus, which can help improve signal quality and reduce capacitive loading on the bus. The device operates from a single supply voltage, ranging from 0.8 V to 5.5 V, and offers low power consumption with a standby current typically below 1 µA. Its integrated rise time accelerator ensures fast signal transitions, making it ideal for applications in industrial, consumer electronics, and computing environments. The TCA9617BDGKR comes in a small, space-saving package, making it suitable for compact designs.
One of the key features of the TCA9617BDGKR is its ability to maintain the integrity of the I2C signals while providing isolation between different segments of the bus, which can help improve signal quality and reduce capacitive loading on the bus. The device operates from a single supply voltage, ranging from 0.8 V to 5.5 V, and offers low power consumption with a standby current typically below 1 µA. Its integrated rise time accelerator ensures fast signal transitions, making it ideal for applications in industrial, consumer electronics, and computing environments. The TCA9617BDGKR comes in a small, space-saving package, making it suitable for compact designs.
Equivalent
The TCA9617BDGKR is a buffer/level translator for I2C/SMBus applications. Equivalent products include:
1. PCA9617A from NXP Semiconductors
2. PCA9517 from NXP Semiconductors
3. PCA9306 from NXP Semiconductors
4. LTC4311 from Analog Devices
5. MAX3378 from Maxim Integrated
These equivalents may offer similar functionality but could differ in specifications like voltage levels, package types, or additional features. Always check the datasheets to ensure compatibility with your specific application.
1. PCA9617A from NXP Semiconductors
2. PCA9517 from NXP Semiconductors
3. PCA9306 from NXP Semiconductors
4. LTC4311 from Analog Devices
5. MAX3378 from Maxim Integrated
These equivalents may offer similar functionality but could differ in specifications like voltage levels, package types, or additional features. Always check the datasheets to ensure compatibility with your specific application.
Features
The TCA9617BDGKR is a dual bidirectional I2C bus buffer designed to enhance communication on I2C and SMBus systems. Key features include:
1. Dual Bidirectional Buffer: Supports I2C bus signals in both directions, allowing for effective communication between multiple devices.
2. Level Shifting: Provides voltage level translation between different bus voltages, supporting mixed voltage applications.
3. High-Speed Operation: Capable of supporting I2C bus speeds up to 1 MHz, facilitating fast data transfer.
4. Enable Pin: Includes an active-high enable pin for controlling buffer operation, offering flexibility and power savings.
5. Wide Voltage Range: Operates with VCCA from 0.8 V to 5.5 V and VCCB from 2.2 V to 5.5 V, ensuring compatibility with various power supply levels.
6. Low Propagation Delay: Features a low propagation delay, maintaining signal integrity and synchronization across devices.
7. ESD Protection: Integrated ESD protection ensures device reliability and longevity.
8. Compact Package: Available in a small, space-saving package suitable for compact designs.
These features make the TCA9617BDGKR well-suited for applications requiring reliable, high-speed I2C communication with voltage level translation.
1. Dual Bidirectional Buffer: Supports I2C bus signals in both directions, allowing for effective communication between multiple devices.
2. Level Shifting: Provides voltage level translation between different bus voltages, supporting mixed voltage applications.
3. High-Speed Operation: Capable of supporting I2C bus speeds up to 1 MHz, facilitating fast data transfer.
4. Enable Pin: Includes an active-high enable pin for controlling buffer operation, offering flexibility and power savings.
5. Wide Voltage Range: Operates with VCCA from 0.8 V to 5.5 V and VCCB from 2.2 V to 5.5 V, ensuring compatibility with various power supply levels.
6. Low Propagation Delay: Features a low propagation delay, maintaining signal integrity and synchronization across devices.
7. ESD Protection: Integrated ESD protection ensures device reliability and longevity.
8. Compact Package: Available in a small, space-saving package suitable for compact designs.
These features make the TCA9617BDGKR well-suited for applications requiring reliable, high-speed I2C communication with voltage level translation.
Pinout
The TCA9617BDGKR is an I2C bus repeater with two voltage-level translation capabilities. It is designed by Texas Instruments and primarily used to extend the I2C bus by isolating bus capacitance, which allows for communication over longer distances or with more devices. The device comes in an 8-pin package with the following pin functions:
1. A side (SDAA, SCLA): Connects to the I2C bus on one side, typically used for lower voltage levels.
2. B side (SDAB, SCLB): Connects to the I2C bus on the other side, often used for higher voltage levels.
3. VCCA: Power supply input for the A-side bus.
4. VCCB: Power supply input for the B-side bus, allowing for level translation.
5. GND: Ground reference for the device.
6. EN: Enable pin to activate or deactivate the repeater function.
This configuration allows the TCA9617BDGKR to facilitate communication between different I2C buses operating at different voltage levels, making it suitable for mixed-voltage environments.
1. A side (SDAA, SCLA): Connects to the I2C bus on one side, typically used for lower voltage levels.
2. B side (SDAB, SCLB): Connects to the I2C bus on the other side, often used for higher voltage levels.
3. VCCA: Power supply input for the A-side bus.
4. VCCB: Power supply input for the B-side bus, allowing for level translation.
5. GND: Ground reference for the device.
6. EN: Enable pin to activate or deactivate the repeater function.
This configuration allows the TCA9617BDGKR to facilitate communication between different I2C buses operating at different voltage levels, making it suitable for mixed-voltage environments.
Manufacturer
The TCA9617BDGKR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor design and manufacturing company that develops analog and embedded processing chips. The company is known for its innovation in the electronics industry, providing products that are integral to various applications, including automotive, industrial, consumer electronics, and communications. TI focuses on making electronics more efficient, reliable, and cost-effective, and it is recognized for its contributions to advancing technology across numerous sectors.
Application
The TCA9617BDGKR is a dual bidirectional buffer intended for I2C and SMBus applications. It is commonly used to extend the communication distance in these bus systems. Key application areas include:
1. Consumer Electronics: Enhancing communication between microcontrollers and peripheral devices.
2. Industrial Automation: Facilitating reliable data transfer over long distances in harsh environments.
3. Automotive Systems: Supporting advanced driver-assistance systems (ADAS) and infotainment networks.
4. Telecommunications: Enabling efficient data exchange in network equipment.
5. Medical Devices: Assisting in the integration of various sensors and control units.
Its primary role is to improve signal integrity and capacitance isolation, ensuring robust system performance.
1. Consumer Electronics: Enhancing communication between microcontrollers and peripheral devices.
2. Industrial Automation: Facilitating reliable data transfer over long distances in harsh environments.
3. Automotive Systems: Supporting advanced driver-assistance systems (ADAS) and infotainment networks.
4. Telecommunications: Enabling efficient data exchange in network equipment.
5. Medical Devices: Assisting in the integration of various sensors and control units.
Its primary role is to improve signal integrity and capacitance isolation, ensuring robust system performance.
Package
The TCA9617BDGKR is packaged in an 8-pin VSSOP (Very Thin Shrink Small Outline Package) with a package designator "DGK". This type of package is compact, suitable for surface-mount technology (SMT), and typically used in applications requiring efficient space usage on printed circuit boards (PCBs).