DS28E25+T

The DS28E25+T is a secure digital temperature sensor and unique identifier from Maxim Integrated (now part of Analog Devices). It features a 1-Wire interface, allowing for easy integration into various applications with minimal wiring. The device is primarily used in systems requiring secure authentication and temperature monitoring, such as in industrial equipment, medical devices, and consumer electronics.
Key features include a unique 64-bit serial number for device identification, an integrated temperature sensor with a range of -40°C to +125°C, and a 1-Wire communication protocol that simplifies connectivity. The DS28E25+T is notable for its security capabilities, which include cryptographic functions to prevent unauthorized access and ensure data integrity.
This device is suitable for applications in IoT, smart homes, and other environments where secure data transmission and temperature monitoring are crucial. Its low power consumption and compact footprint make it an ideal choice for battery-operated devices.

The DS28E25+T is a digital temperature sensor and a unique identifier device designed for various applications. Key features include:
1. 1-Wire Interface: Simplifies connections and reduces pin count, enabling easy integration into existing systems.
2. Unique 64-bit Serial Number: Each device has a factory-programmed ID, making it suitable for identification and authentication purposes.
3. Temperature Measurement: Offers a temperature range of -55°C to +125°C with a resolution of 0.0625°C.
4. Low Power Consumption: Operates in low-power modes, making it ideal for battery-powered applications.
5. Programmable Temperature Alarm: Can be configured to trigger alerts based on user-defined temperature thresholds.
6. Multiple Device Support: Capable of connecting multiple devices on the same 1-Wire bus.
7. Compact Package: Housed in a small, space-efficient package for easy integration into designs.
These features make the DS28E25+T suitable for use in industrial, automotive, and consumer applications requiring precise temperature monitoring and identification.

The DS28E25+T is packaged in a 6-pin SOT23 package. This compact surface-mount package is designed for space-saving applications in embedded systems.

The DS28E25+T is a 1-Wire EEPROM memory device with a total of 6 pins.
Pin Count and Functions:
1. GND (Pin 1): Ground connection.
2. DQ (Pin 2): 1-Wire data input/output pin for communication.
3. VDD (Pin 3): Power supply pin, typically connected to a voltage source (2.8V to 5.25V).
4. VPP (Pin 4): Optional programming voltage pin, used for memory programming and can be connected to VDD.
5. NC (Pin 5): Not connected, reserved for future use or specific applications.
6. EP (Pin 6): Exposed pad for thermal and mechanical grounding, typically connected to GND.
The DS28E25+T operates with a unique 1-Wire protocol for data communication and provides non-volatile memory storage for applications requiring data retention.

The DS28E25+T is manufactured by Maxim Integrated, which is a company known for designing and manufacturing analog and mixed-signal integrated circuits. Maxim Integrated specializes in various technologies, including power management, signal processing, and sensor interfacing. In 2021, Maxim Integrated was acquired by Analog Devices, Inc., a global leader in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. As part of Analog Devices, the DS28E25+T continues to be part of a diverse portfolio aimed at various applications in the automotive, industrial, communications, and consumer markets.

The DS28E25+T is a secure digital authenticator used in various application areas, including IoT devices, smart home products, industrial automation, and medical devices. It provides secure credential storage, device authentication, and data integrity verification, enhancing security in communication protocols. Additionally, it is utilized in asset tracking and supply chain management to prevent counterfeiting and ensure genuine parts are used.

The DS28E25+T chip is a one-wire EEPROM with unique 64-bit ROM. Equivalent products include the DS28E21, DS28E18, and the DS2431. These alternatives also offer similar functionalities for secure storage and unique identification, but specific features like memory size and power requirements may vary. Always check the datasheets for compatibility in your application.