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DS2484Q+T

Name: DS2484Q+T
Rating: 4.7 (12 reviews)

IC MASTER I2C-1WIRE 1CH 8DFN

Производитель
Мфр. Часть #DS2484Q+T
Пакет
Лист данных DS2484Q+T DataSheet
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Спецификации

Part Status	Active
DigiKey Programmable	Not Verified
Protocol	1-Wire®
Function	Controller
Interface	I2C
Voltage - Supply	1.71V ~ 5.25V
Current - Supply	300µA
Operating Temperature	-40°C ~ 85°C
Package / Case	8-WFDFN Exposed Pad
Supplier Device Package	8-TDFN (2x3)
Base Product Number	DS2484

Обзор

Description

The DS2484Q+T is a specialized I²C to 1-Wire interface chip designed by Maxim Integrated (now part of Analog Devices). It enables microcontrollers to communicate with 1-Wire devices using the I²C protocol, simplifying the integration of 1-Wire technology in various applications. Key features include support for multiple 1-Wire devices on a single bus, robust error detection, and the ability to drive long cables while maintaining signal integrity.
The DS2484Q+T operates with a supply voltage of 2.7V to 5.5V and features low-power modes, making it suitable for battery-operated devices. It supports fast 1-Wire speeds and includes an internal state machine to streamline communication processes.
This interface is commonly used in applications such as temperature sensing, RFID, and smart sensors, where multiple devices need to be managed efficiently. The DS2484Q+T is packaged in a compact form for easy integration into various electronic designs.

Features

The DS2484Q+T is a USB to 1-Wire® interface adapter designed for communication with 1-Wire devices. Key features include:
1. USB Interface: Provides a direct connection to USB ports for easy integration with PCs and host devices.
2. 1-Wire Master: Supports communication with multiple 1-Wire devices, allowing for networking of sensors, memory, and other 1-Wire components.
3. Multiple 1-Wire Ports: Supports up to 8 different 1-Wire buses, enabling connection to numerous devices in parallel.
4. High-Speed Communication: Offers fast data transfer rates for efficient data exchange.
5. Power Management: Features power supply through the USB, as well as the ability to power 1-Wire devices from the host system.
6. Simple Command Set: Utilizes an easy-to-use command interface for control and configuration.
7. Compact Design: Small form factor suitable for embedded applications and space-constrained environments.
These features make the DS2484Q+T a versatile solution for integrating 1-Wire technology with modern USB systems.

Package

The DS2484Q+T is packaged in a 16-pin TSSOP (Thin Shrink Small Outline Package).

Pinout

The DS2484Q+T is a 1-Wire master device from Maxim Integrated (now part of Analog Devices). It features a total of 8 pins. The pinout and their primary functions are as follows:
1. GND - Ground connection.
2. VDD - Supply voltage (3.0V to 5.25V).
3. IO - 1-Wire communication line (bi-directional).
4. SCL - Serial clock input for SPI communication.
5. SDA - Serial data input/output for SPI communication.
6. RESET - Resets the 1-Wire bus.
7. ALERT - Interrupt output indicating a device status change.
8. NC - No connect (not used).
The DS2484Q+T provides a means to interface microcontrollers with 1-Wire devices, enabling communication over a single wire for applications like temperature sensing, identification, and more. It supports various operating modes and can manage multiple 1-Wire devices.

Manufacturer

The DS2484Q+T is manufactured by Texas Instruments (TI), a prominent American technology company. Texas Instruments is known for designing and manufacturing semiconductors and various integrated circuits, which are used in a wide range of electronic devices and systems. The company specializes in analog and embedded processing technologies, providing solutions for sectors such as automotive, industrial, communications, and consumer electronics. Founded in 1930, TI is recognized for its innovation and contribution to the development of integrated circuits, microcontrollers, and digital signal processors. The DS2484Q+T itself is a single-chip I²C to 1-Wire interface, facilitating communication for applications involving 1-Wire devices.

Application

The DS2484Q+T is a 1-Wire bus master interface used in applications such as temperature monitoring, smart sensors, RFID, and access control systems. It facilitates communication between microcontrollers and 1-Wire devices, enabling data acquisition in industrial automation, smart home systems, and wearable technology. Its compact design and versatility make it suitable for portable and embedded systems.

Equivalent

The DS2484Q+T is a 1-Wire master device. Its equivalents include the DS2482-100, DS2482-800, and DS2480B. These chips serve similar functions in 1-Wire communication but may differ in features such as interface type and operating voltage. Always check specific datasheets for compatibility and performance characteristics.

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