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TCA9802DGKR
+Lista de MateriaisIC TRNSLTR BIDIRECTIONAL 8VSSOP
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FabricanteTexas Instruments
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Peça do Fabricante #TCA9802DGKR
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Pacote VSSOP-8
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Em Estoque3191
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Especificações
| Atributo | Valor |
| 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 | 0.8 V ~ 3.6 V |
| Voltage - VCCB | 1.65 V ~ 3.6 V |
| Output Type | Non-Inverted |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount |
Visão Geral
Description
Key features of the TCA9802DGKR include its ability to handle voltage levels from 0.8V to 3.6V, making it suitable for a wide range of applications. The device also supports clock stretching, arbitration, and synchronization, which are essential features in complex I2C networks. The TCA9802DGKR is available in a compact VSSOP-8 package, optimizing board space in densely populated designs.
This repeater enhances system performance by reducing signal distortion and ensuring reliable data transfer over extended distances or through complex cabling. It is widely used in consumer electronics, industrial automation, and automotive applications where efficient I2C communication is critical.
Equivalent
1. PCA9517 from NXP
2. LTC4311 from Analog Devices
3. MAX14954 from Maxim Integrated
These components also serve to buffer I2C signals, providing level translation and improved drive capabilities. Ensure to check the specific datasheets to match electrical specifications and features for compatibility.
Features
1. Dual-Channel I2C Buffer: Supports bidirectional data transfer on both channels.
2. Level Translation: Compatible with multiple voltage levels, typically used to bridge different voltage domains between I2C buses.
3. High Noise Immunity: Incorporates voltage and current offset features to suppress bus signal noise.
4. Hot Swapping Capability: Allows for live insertion and removal of I2C devices without disrupting the bus operation.
5. Prevention of Bus Lockup: Equipped with logic to prevent I2C bus lockup conditions, ensuring stable communication.
6. Supports Fast and Standard Modes: Compatible with both standard (up to 100 kHz) and fast mode (up to 400 kHz) I2C operations.
7. Low Propagation Delay: Maintains quick signal transmission with minimal delay.
8. Small Package Size: Available in a compact VSSOP (DGK) package, facilitating space-constrained designs.
9. Wide Operating Temperature Range: Suitable for use in various environmental conditions.
These features make the TCA9802DGKR ideal for enhancing communication in complex electronic systems.
Pinout
Here is a brief rundown of the pin functions:
1. A1: I2C bus A side data I/O.
2. A2: I2C bus A side clock I/O.
3. VCCA: Supply voltage for the A side.
4. GND: Ground.
5. B1: I2C bus B side data I/O.
6. B2: I2C bus B side clock I/O.
7. VCCB: Supply voltage for the B side.
8. EN: Enable pin for the device.
This configuration allows the TCA9802 to facilitate communication between two I2C buses running at potentially different voltage levels while maintaining signal integrity and low power consumption.
Manufacturer
Application
1. Consumer Electronics: Used in devices like televisions and gaming consoles to manage data communication between processors and peripherals.
2. Industrial Control: Facilitates communication in automated systems, such as robotics and process control equipment.
3. Automotive Systems: Supports in-vehicle networks by enabling reliable I²C communication for infotainment, navigation, and control systems.
4. Communication Equipment: Used in networking devices for data transfer between processors and peripheral components.
5. Computing: Assists in interfacing various components on motherboards and expansion cards.
These applications leverage the TCA9802DGKR's ability to maintain signal integrity and ensure robust communication across the I²C bus.