TCA9543APWR

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TCA9543APWR

IC BUS SWITCH 2 X 1:2 14TSSOP

  • Nhà sản xuất
  • Ông. Phần #TCA9543APWR
  • Gói TSSOP-14
  • Bảng dữ liệu
  • Có sẵn2547

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
Type Bus Switch
Circuit 2 x 1:2
IndependentCircuits 1
VoltageSupplySource Single Supply
Voltage-Supply 1.65V ~ 5.5V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 14-TSSOP (0.173, 4.40mm Width)

Tổng quan

Description

The TCA9543APWR is a 3-channel I2C switch designed by Texas Instruments, enabling multiple I2C bus lines to be multiplexed. This device allows one master to connect to multiple I2C slaves without address conflicts, ideal for applications requiring expanded I2C device connections. The TCA9543A can manage up to three separate I2C buses, each supporting standard I2C communication speeds up to 1 Mbps.
Key features include the ability to control bus channels via a simple I2C command, integrated pull-up resistors, and the capability to interface with both 5V and 3.3V systems. The device also supports hot-swapping, which allows for the dynamic connection and disconnection of devices without powering down the system.
The TCA9543APWR is housed in a 16-pin TSSOP package, making it suitable for space-constrained applications. It’s particularly useful in complex sensor networks, multiple device systems, and other scenarios where efficient I2C bus management is critical.

Features

The TCA9543APWR is a versatile I2C multiplexer designed to expand the number of I2C devices on a single bus. Key features include:
1. Channel Selection: It can switch between multiple I2C channels, allowing for connection to multiple devices with the same address.
2. I2C Compatibility: Operates with standard I2C bus protocols, supporting data rates up to 1 Mbps.
3. Addressable: It supports multiple devices on the same I2C bus using unique I2C addresses.
4. Low Power Consumption: Ideal for battery-operated applications due to its low quiescent current.
5. Wide Supply Range: Works with a supply voltage range from 1.8V to 5.5V.
6. Interrupt Output: Provides an interrupt signal to indicate channel switching.
7. Package Type: Available in a 16-pin TSSOP package, facilitating easy integration into compact designs.
Overall, the TCA9543APWR is an efficient solution for managing multiple I2C devices, enhancing system flexibility.

Package

The TCA9543APWR is packaged in a 16-pin HTQFN (Thin Quad Flat No-lead) format. This package type features a thin profile and no leads extending from the body, allowing for a compact design and efficient thermal management.

Pinout

The TCA9543APWR is a 4-channel I2C multiplexer/demultiplexer, which helps to connect multiple I2C devices to a single I2C bus. It has a total of 16 pins.
Here are the key pin functions:
1. VCC (Pin 1): Power supply pin (2.3V to 5.5V).
2. GND (Pin 8): Ground reference.
3. SCL (Pin 2): I2C clock line.
4. SDA (Pin 3): I2C data line.
5. A0, A1, A2 (Pins 4, 5, 6): Address selection pins for setting the active channel.
6. EN (Pin 7): Active low enable pin to activate the device.
7. Y0 to Y3 (Pins 9-12): Outputs that connect to the selected I2C devices.
8. NC (Pins 13-16): No connect (not used).
This configuration allows for easy management of multiple I2C devices without address conflicts.

Manufacturer

The TCA9543APWR is manufactured by Texas Instruments (TI), a leading semiconductor company based in the United States. Texas Instruments specializes in designing and manufacturing a wide range of electronic components, including integrated circuits (ICs), microcontrollers, and analog devices. The company serves various markets, including automotive, industrial, communications, and consumer electronics. TI is known for its innovation in analog and embedded processing technologies and is recognized as a significant player in the global semiconductor industry.

Application

The TCA9543APWR is a dual I2C multiplexer that allows multiple I2C buses to connect to a single master controller. Its application areas include sensor interfacing, where multiple sensors can be connected and selected; LCD or OLED displays; RFID readers; and other I2C-based devices in complex systems. It is especially useful in embedded systems and robotics, where multiple peripherals require communication with a microcontroller without address conflicts.

Equivalent

Equivalent products to the TCA9543APWR chip, which is a 4-channel I2C multiplexer, include the PCA9543A, PCA9544A, and the TCA9548A. These chips serve similar functions in I2C bus expansion and multiplexing, though they may differ in channel count or specific features. Always check the datasheets for electrical characteristics and pin compatibility before substitution.

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