MDT introduces magnetic switch IC for CGM devices

Key Takeaways

• MDT introduces the TMR1370, a low-power magnetic switch IC for continuous glucose monitoring (CGM) devices
• The TMR1370 features a maximum supply current of 50nA and enables over two years of standby operation
• The device has a wide operating-voltage range of 1.8V to 4.0V and a miniature DFN5L package
• The TMR1370 complements MDT's existing X-axis and Z-axis CGM magnetic switch portfolio

Introduction to the TMR1370

MultiDimension Technology (MDT) has launched the TMR1370, an ultra-low-power magnetic switch IC designed for continuous glucose monitoring (CGM) devices. This new addition to MDT's magnetic sensing portfolio builds upon the proven TMR1367, TMR1368, and TMR1369 family, offering significantly lower power consumption, enhanced voltage compatibility, and a smaller package.

Features and Benefits of the TMR1370

The TMR1370 is optimized for battery-powered CGM devices, featuring a maximum supply current of 50nA and a typical current of 30nA at a 3V supply. When combined with the magnetic wake-up mechanism, the TMR1370 enables over two years of standby operation, extending product shelf life and preserving battery capacity for continuous glucose monitoring after activation.

Comparison of the TMR1370 with Other Magnetic Switch ICs

Technical Specifications

The TMR1370 has a maximum operating point below 40 Gauss for reliable magnetic wake-up detection and features X-axis magnetic sensing optimized for compact CGM designs. The device is available in a miniature DFN5L package, making it suitable for thinner and lighter wearable medical devices.

Conclusion and Availability

The TMR1370 is a significant addition to MDT's magnetic sensing portfolio, offering improved power efficiency, flexibility, and reliability for CGM devices. Samples of the TMR1370 are available through DigiKey and MDT's online store.

Bottom Line

The TMR1370 is a cutting-edge magnetic switch IC that enables ultra-long standby life and preserves battery capacity for continuous glucose monitoring devices. With its low power consumption, wide operating-voltage range, and miniature package, the TMR1370 is an ideal solution for next-generation CGM systems, providing greater flexibility and reliability for system designers and manufacturers.