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TCA4311ADR

Name: TCA4311ADR
Rating: 4.8 (15 reviews)

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IC ACCELERATOR I2C HOTSWAP 8SOIC

제조업체텍사스 인스트루먼트(주)
제조업체 부품 #TCA4311ADR
데이터시트 TCA4311ADR DataSheet
패키지 8-SOIC (0.154, 3.90mm Width)
재고8009

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90-판매 후 1일 보증

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사양

속성	가치
Supplier	Texas Instruments
Package	Tape & Reel (TR),Cut Tape (CT)
ProductStatus	Active
Type	Buffer, Accelerator
Applications	I²C - Hotswap
Input	2-Wire Bus
Output	2-Wire Bus
NumberofChannels	1
Capacitance-Input	10 pF
Voltage-Supply	2.7V ~ 5.5V
Current-Supply	5.1mA
OperatingTemperature	-40°C ~ 85°C
MountingType	Surface Mount
Package/Case	8-SOIC (0.154, 3.90mm Width)

개요

Description

The TCA4311ADR is a Texas Instruments device in the TCA family, typically a bidirectional I2C-bus buffer/level shifter. It’s designed to isolate and translate I2C lines between different voltage domains or to buffer a long I2C run, while allowing safe, two-way communication between master and slave devices. Key ideas: bidirectional I2C buffering, level translation, and optional enable control to isolate the bus. It usually targets standard (100 kHz) and fast-mode (400 kHz) I2C operation and operates across a broad supply range with low quiescent current. The ADR suffix indicates a RoHS-compliant packaging variant. Common applications include connecting low-voltage sensors to a higher-voltage MCU I2C bus, extending I2C distances, or isolating noisy subsystems on a shared bus. For exact features, channels, pinout, and electrical specs, consult the TI datasheet for TCA4311ADR.

Pinout

- Pin count: 8 pins (8-pin package).
- Function: I2C-bus buffer/level shifter (bidirectional) to connect two I2C buses, typically with an enable control for isolation or translation between voltage domains.

Manufacturer

Manufacturer: Texas Instruments (TI).
Company type: TI is an American multinational semiconductor company that designs and manufactures analog and digital integrated circuits and other electronic components; it’s one of the world’s largest semiconductor producers.

Application

TCA4311ADR is typically used for I2C/SMBus related tasks. Common application areas include:
- I2C/SMBus level shifting and buffering between devices with different supply voltages.
- MCU-to-sensor, EEPROM, and peripheral interfaces in automotive, industrial, and consumer electronics.
- Multi‑voltage embedded systems, data acquisition, and control electronics requiring robust I2C signaling across voltage domains.
- I2C bus segmentation or fan-out in backplanes and distributed sensor networks.
Note: use cases emphasize level shifting, buffering, and protection of I2C signaling in mixed-voltage environments.