DS2482S-100+T&R

The DS2482S-100+T&R is a specialized I2C-to-1-Wire bridge device manufactured by Maxim Integrated, designed to facilitate communication between a microcontroller or microprocessor and 1-Wire devices. This component is particularly useful in applications where multiple 1-Wire devices need to be controlled or monitored, such as in temperature sensing, identification, and other sensor networks.

Key Features:

1. I2C Interface: The DS2482S-100+T&R features a standard I2C interface, allowing it to be easily integrated with a variety of microcontrollers that support I2C communication. This makes it versatile for use in different embedded systems.

2. 1-Wire Master: The device acts as a master for 1-Wire communication, enabling it to control multiple 1-Wire slaves. This is particularly beneficial for applications that require the management of several sensors or devices on a single bus.

3. Multiple 1-Wire Ports: The DS2482S-100+T&R can support multiple 1-Wire devices on a single bus, allowing for a daisy-chained configuration. This reduces the number of I/O pins required on the microcontroller.

4. High-Speed Operation: The device supports fast 1-Wire communication speeds, which can enhance the performance of applications that require quick data retrieval from multiple sensors.

5. Power Management: The DS2482S-100+T&R includes features for power management, allowing it to operate in low-power modes, which is essential for battery-operated devices.

6. Temperature Range: The device is designed to operate over a wide temperature range, making it suitable for various environmental conditions.

7. Compact Package: The DS2482S-100+T&R is available in a compact package, which is advantageous for space-constrained applications.

8. Integrated Pull-Up Resistors: The device includes integrated pull-up resistors for the 1-Wire bus, simplifying the design and reducing the need for external components.

Applications:

• Temperature Monitoring: Ideal for systems that require temperature sensors, such as HVAC systems, industrial equipment, and environmental monitoring.
• Identification Systems: Can be used in applications that require unique identification of devices, such as access control systems and asset tracking.
• Sensor Networks: Suitable for building sensor networks where multiple sensors need to communicate with a central controller.

Electrical Characteristics:

• Supply Voltage: Typically operates at a supply voltage of 3.0V to 5.5V.
• I2C Speed: Supports standard I2C speeds of up to 400 kHz.
• 1-Wire Speed: Capable of operating at standard 1-Wire speeds of 16.3 kHz and fast 1-Wire speeds of up to 142 kHz.

Conclusion:

The DS2482S-100+T&R from Maxim Integrated is a robust and efficient solution for interfacing I2C-based microcontrollers with 1-Wire devices. Its combination of features, including high-speed operation, power management, and support for multiple devices, makes it an excellent choice for a wide range of applications in embedded systems.