Analog Devices Inc./Maxim Integrated

DS1629S+

DS1629S+ Description

The DS1629S+ from Analog Devices Inc./Maxim Integrated is a highly integrated digital thermometer, thermostat, and real-time clock (RTC) with calendar functionality, packaged in an 8-SOIC surface-mount form factor. Designed for precision thermal management, it operates over a 2.7V to 5.5V supply range and communicates via I2C/SMBus, making it compatible with a wide array of microcontrollers and embedded systems. Its internal sensor delivers an accuracy of ±2°C (max), ensuring reliable temperature monitoring. The device also incorporates an oscillator, ADC, comparator, and register bank, providing a compact, all-in-one solution for temperature-sensitive applications.

DS1629S+ Features

• Integrated RTC & Calendar: Combines temperature sensing with timekeeping, reducing component count.
• I2C/SMBus Interface: Simplifies integration with host systems.
• Wide Voltage Range (2.7V–5.5V): Suitable for battery-powered and low-voltage designs.
• High Accuracy (±2°C): Ensures precise thermal monitoring.
• Programmable Thermostat: Configurable temperature thresholds with alarm output.
• RoHS3 Compliant & REACH Unaffected: Meets environmental and regulatory standards.
• Surface-Mount (SOIC-8): Compact footprint ideal for space-constrained PCBs.

DS1629S+ Applications

The DS1629S+ excels in systems requiring combined temperature sensing and timekeeping, such as:

• Embedded Systems: Monitoring CPU/board temperature while maintaining system clocks.
• Industrial Automation: Temperature logging with timestamping for process control.
• Consumer Electronics: Smart thermostats, HVAC controllers, and wearable devices.
• Medical Devices: Ensuring stable operating conditions with time-based data logging.
• Battery-Powered Devices: Low-voltage operation extends battery life in IoT sensors.

Conclusion of DS1629S+

The DS1629S+ stands out as a versatile, space-efficient solution for applications demanding integrated temperature sensing and real-time clock functionality. Its I2C interface, wide voltage range, and programmable thermostat make it ideal for embedded designs, while its ±2°C accuracy ensures reliable performance. Whether in industrial, consumer, or medical applications, this IC delivers a robust, compact alternative to discrete solutions.