DS2482S-100+

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DS2482S-100+

IC BRIDGE I2C TO 1-WIRE 8-SOIC

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規格

Package Tape & Reel (TR),Cut Tape (CT)
Series flexPWR™
ProductStatus Active
Protocol USB
Function Switch
Standards USB 2.0
Voltage-Supply 1.8V ~ 5V
OperatingTemperature -40°C ~ 85°C
Package/Case 10-UFQFN
Interface I²C, SPI, UART
Current-Supply 10mA

概述

Description

The DS2482S-100+ is a dual-channel interface chip designed for communicating with 1-Wire devices over I2C (Inter-Integrated Circuit) protocol. It simplifies the integration of 1-Wire networks in embedded systems, allowing microcontrollers to connect to multiple 1-Wire devices, such as temperature sensors and memory chips.
Key features include:
1. Multi-Drop Capability: Supports multiple 1-Wire devices on a single bus.
2. I2C Interface: Easily integrates with any I2C-compatible microcontroller.
3. Single Supply Operation: Operates on a supply voltage of 3V to 5.5V, making it versatile for various applications.
4. Flexible Addressing: Can address multiple DS2482S-100+ chips on the same I2C bus.
5. Enhanced Command Set: Offers advanced features like power management for connected 1-Wire devices.
This chip is ideal for applications in home automation, industrial control, and sensor networks, providing a reliable solution for managing multiple 1-Wire devices effectively.

Features

The DS2482S-100+ is a dual-channel I2C to 1-Wire® bridge designed for interfacing I2C master devices with 1-Wire networks. Key features include:
1. I2C Interface: Operates at standard (100 kbps) and fast (400 kbps) I2C speeds.
2. 1-Wire Communication: Supports multiple 1-Wire devices with unique addressing.
3. Dual Channel Support: Allows simultaneous communication with two separate 1-Wire networks.
4. Simple Commands: Uses simple I2C commands to control 1-Wire functions.
5. Overcurrent Protection: Features built-in overcurrent protection for enhanced reliability.
6. Power Supply Options: Operates from a wide voltage range (2.8V to 5.5V).
7. Temperature Range: Designed for industrial applications with an operating temperature range of -40°C to +85°C.
8. Integration: Reduces the need for additional components, facilitating easier system design.
These features make the DS2482S-100+ suitable for various applications, including sensor networks and smart devices.

Package

The DS2482S-100+ is available in a 5-pin SOT-23 package type. This compact surface-mount package is designed for easy integration into various electronic circuits.

Pinout

The DS2482S-100+ is a bus master device for controlling multiple 1-Wire devices. It features a total of 8 pins with the following functions:
1. VDD (Pin 1): Power supply input (2.8V to 5.25V).
2. GND (Pin 2): Ground reference.
3. SCL (Pin 3): I2C clock input.
4. SDA (Pin 4): I2C data input/output.
5. nRESET (Pin 5): Active-low reset for the 1-Wire bus.
6. 1-WIRE (Pin 6): 1-Wire bus communication line.
7. IO (Pin 7): General-purpose input/output (can be configured).
8. SENSE (Pin 8): Sensing input for temperature measurement.
The DS2482S-100+ allows microcontrollers to communicate with 1-Wire devices via I2C, facilitating easy integration into various applications.

Manufacturer

The DS2482S-100+ is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated was known for developing high-performance analog and mixed-signal integrated circuits, particularly for applications in automotive, industrial, communications, consumer, and medical markets. The company specialized in a range of products, including sensors, power management solutions, and data converters. The DS2482S-100+ is a 1-Wire master device that facilitates communication with multiple 1-Wire devices, making it useful in various applications, such as remote sensing and data logging.

Application

The DS2482S-100+ is a 1-Wire bus master interface primarily used in applications such as temperature and humidity monitoring, RFID systems, and smart sensors. It facilitates communication with multiple 1-Wire devices, making it ideal for data logging, home automation, and industrial control systems. Additionally, it is utilized in asset tracking and automation systems where low-power, long-distance communication is essential.

Equivalent

The DS2482S-100+ chip is a 1-Wire master interface. Equivalent products include the DS2482-800 and DS2482-400 for similar functionalities. Additionally, the DS9097U and DS2480B can serve as alternatives, though they may have different specifications or connection methods. Always check datasheets for compatibility with your specific application.

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