Maxim nanoPower Real-Time Clock Offers Industry’s Smallest Package and Longest Battery Life
MAX31341B operates at less than 180nA and extends battery life in wearables, point-of-sale and portable systems
MUNICH, Germany – July 23, 2019 – The MAX31341B nanoPower real-time clock (RTC) from Maxim Integrated Products, Inc. (NASDAQ: MXIM) enables designers of space-constrained systems such as wearables, medical monitors, point-of-sale (POS) equipment and portable terminals to extend battery life as well as save power and space. More than 35 percent smaller than the tiniest RTC alternatives available today, this nanoPower RTC, which operates at less than 180nA, offloads the central microcontroller from timekeeping, allowing for greater energy savings during sleep cycles and extension of battery runtime.

Systems that use microcontrollers for accurate timekeeping waste battery life, which is unacceptable in wearable applications. This approach is not the most energy efficient, especially when small batteries power the system. The MAX31341B is designed with industry-leading power-management circuitry that remains on during dormant periods, providing timekeeping so that the microcontroller shuts down to preserve power and extend battery life. Available in an ultra-small wafer-level package measuring 2mm x 1.5mm, the RTC cuts the size by more than 35 percent to decrease the overall system design.

Key Advantages
  • Long Battery Life: Operates 18 percent less than the closest competitor at under 180nA, the timekeeping current on MAX31341B allows a typical lithium coin-cell battery to last for more than 10 years in the battery backup mode.
  • Small Solution Size: Minimizes external circuitry by incorporating features such as integrated load cap, trickle charger, power management and 64-byte RAM.
  • Accurate Time-keeping: Up to 100ppm (parts per million) accuracy over -40 degrees Celsius to +85 degrees Celsius based on external crystal.
Commentary

“Designers of compact electronic systems are always striving to lengthen the battery life of their systems,” said Kevin Anderson, senior analyst at IHS Markit. “Any solution that extends battery life by making circuits more efficient will draw interest of engineers designing next-generation systems.”

“Maxim’s real-time clock delivers accurate timekeeping while extending battery life and saving power for always-on, space- and power-constrained applications,” said Binay Bajaj, business management director for the Core Products Group at Maxim Integrated. “As the industry’s only RTC with power-management capabilities, it can offload the application processor of the timekeeping task and remain as the only device that is on when a device is not in use.”

Availability and Pricing
  • The MAX31341B is available at Maxim’s website for $0.70 (1000-up, FOB USA); also available from authorized distributors
  • The MAX31341BEVKIT# evaluation kit is available for $100
Further Information
About Maxim Integrated

Maxim Integrated develops innovative analog and mixed-signal products and technologies to make systems smaller and smarter, with enhanced security and increased energy efficiency. We are empowering design innovation for our automotive, industrial, healthcare, mobile consumer, and cloud data center customers to deliver industry-leading solutions that help change the world. Learn more at http://www.maximintegrated.com.

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Date: 23.07.2019 15:15
Number: PR 11/19 EN
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