Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Translator Type | Voltage Level |
| Channel Type | Bidirectional |
| Number of Circuits | 1 |
| Channelsper Circuit | 2 |
| Voltage - VCCA | 1.08 V ~ 3.6 V |
| Voltage - VCCB | 1.08 V ~ 3.6 V |
| Output Type | Open Drain |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount |
Tổng quan
Description
The TCA9416DTMR is a dual bidirectional I²C buffer from Texas Instruments designed to enhance signal integrity in I²C or SMBus communication systems. It is particularly useful for applications where long-distance communication or multiple devices on the same bus are involved. The device operates as a level shifter, allowing for interfacing between different logic voltage levels, which is crucial for systems integrating components that operate at different voltages.
Key features of the TCA9416DTMR include its ability to support up to 1 MHz I²C bus speeds, ensuring high-speed data transfer. It offers bidirectional buffering, meaning it can manage signals in both directions on the bus, and has a built-in rise time accelerator to improve signal quality. The device also includes hot-swappable capabilities, allowing it to be added or removed from the system without disrupting bus communication.
Compact in design, the TCA9416DTMR comes in a small VSSOP package, making it suitable for space-constrained applications. It is widely used in consumer electronics, industrial control, and automotive systems due to its robustness and versatility.
Key features of the TCA9416DTMR include its ability to support up to 1 MHz I²C bus speeds, ensuring high-speed data transfer. It offers bidirectional buffering, meaning it can manage signals in both directions on the bus, and has a built-in rise time accelerator to improve signal quality. The device also includes hot-swappable capabilities, allowing it to be added or removed from the system without disrupting bus communication.
Compact in design, the TCA9416DTMR comes in a small VSSOP package, making it suitable for space-constrained applications. It is widely used in consumer electronics, industrial control, and automotive systems due to its robustness and versatility.
Equivalent
The TCA9416DTMR is a dual bidirectional voltage-level translator with auto-direction sensing, typically used in I2C applications. Equivalent products might include the NXP PCA9306, Texas Instruments' TXS0102, or ON Semiconductor's NLSX4373. These alternatives provide similar functionality for logic level translation in I2C and other interfacing applications. Always compare datasheets for pin compatibility and electrical specifications before substituting components.
Features
The TCA9416DTMR is a dual bidirectional I2C buffer designed to facilitate communication by isolating capacitance and allowing for two separate I2C buses to be connected. Key features include:
1. Voltage Range: It operates with a wide supply voltage range, typically from 1.65 V to 5.5 V, allowing compatibility with various microcontrollers and peripherals.
2. Bidirectional Communication: Supports bidirectional data transfer that is essential for I2C protocols, maintaining the integrity of data on both sides of the buffer.
3. Level Shifting: Allows for level shifting between two different voltage I2C buses, making it useful in mixed-voltage environments.
4. Hot Swap Capability: Features hot swap support, enabling devices to be removed or inserted without disrupting bus operations.
5. Isolation: Provides capacitive isolation between the two bus segments, which aids in maintaining signal integrity over long distances or with high-capacitance loads.
6. Low Propagation Delay: Ensures minimal delay in signal transmission, crucial for maintaining I2C communication speed.
These features make the TCA9416DTMR particularly suitable for systems requiring robust I2C communication across different voltage domains and high-capacitance environments.
1. Voltage Range: It operates with a wide supply voltage range, typically from 1.65 V to 5.5 V, allowing compatibility with various microcontrollers and peripherals.
2. Bidirectional Communication: Supports bidirectional data transfer that is essential for I2C protocols, maintaining the integrity of data on both sides of the buffer.
3. Level Shifting: Allows for level shifting between two different voltage I2C buses, making it useful in mixed-voltage environments.
4. Hot Swap Capability: Features hot swap support, enabling devices to be removed or inserted without disrupting bus operations.
5. Isolation: Provides capacitive isolation between the two bus segments, which aids in maintaining signal integrity over long distances or with high-capacitance loads.
6. Low Propagation Delay: Ensures minimal delay in signal transmission, crucial for maintaining I2C communication speed.
These features make the TCA9416DTMR particularly suitable for systems requiring robust I2C communication across different voltage domains and high-capacitance environments.
Pinout
The TCA9416DTMR is a dual bidirectional I²C-bus and SMBus voltage-level translator from Texas Instruments. It is designed to enable communication between I²C buses that operate at different voltage levels. The device has 8 pins, with the following functions:
1. VCCA: Supply voltage for the A-side I²C bus.
2. SCLA: Serial clock line for the A-side I²C bus.
3. SDAA: Serial data line for the A-side I²C bus.
4. GND: Ground reference.
5. EN: Enable pin; controls the operation of the translator.
6. SCLB: Serial clock line for the B-side I²C bus.
7. SDAB: Serial data line for the B-side I²C bus.
8. VCCB: Supply voltage for the B-side I²C bus.
The TCA9416 allows for flexible voltage translation with VCCA and VCCB operating over a range of 0.8 V to 5.5 V, supporting bidirectional data transfer between different I²C voltage levels.
1. VCCA: Supply voltage for the A-side I²C bus.
2. SCLA: Serial clock line for the A-side I²C bus.
3. SDAA: Serial data line for the A-side I²C bus.
4. GND: Ground reference.
5. EN: Enable pin; controls the operation of the translator.
6. SCLB: Serial clock line for the B-side I²C bus.
7. SDAB: Serial data line for the B-side I²C bus.
8. VCCB: Supply voltage for the B-side I²C bus.
The TCA9416 allows for flexible voltage translation with VCCA and VCCB operating over a range of 0.8 V to 5.5 V, supporting bidirectional data transfer between different I²C voltage levels.
Manufacturer
The TCA9416DTMR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of electronic components, including integrated circuits and embedded processors. TI is known for its innovation in analog and digital semiconductor technologies and provides products that are used in applications across various industries, such as automotive, industrial, personal electronics, and communications equipment.
Application
The TCA9416DTMR is a dual bidirectional I²C-bus and SMBus voltage-level translator with an enable pin, typically used in applications requiring voltage translation for I²C or SMBus communication. Its common application areas include:
1. Consumer Electronics: Facilitating communication between components with different voltage levels, such as microcontrollers and peripheral devices.
2. Industrial Automation: Ensuring reliable communication in systems with varying voltage domains.
3. Computers and Servers: Interfacing between different ICs with varying I²C voltage levels.
4. Automotive Systems: Enabling robust communication in automotive electronic systems.
5. IoT Devices: Connecting sensors and processors with different voltage requirements.
These applications benefit from its ability to support multiple voltage levels and bidirectional data flow.
1. Consumer Electronics: Facilitating communication between components with different voltage levels, such as microcontrollers and peripheral devices.
2. Industrial Automation: Ensuring reliable communication in systems with varying voltage domains.
3. Computers and Servers: Interfacing between different ICs with varying I²C voltage levels.
4. Automotive Systems: Enabling robust communication in automotive electronic systems.
5. IoT Devices: Connecting sensors and processors with different voltage requirements.
These applications benefit from its ability to support multiple voltage levels and bidirectional data flow.
Package
The TCA9416DTMR is a digital switch and level translator IC from Texas Instruments. It is packaged in a VQFN (Very Thin Quad Flat No-Lead) package with 16 pins. The compact VQFN package is designed to offer efficient thermal performance and reduced package size, suitable for space-constrained applications.