Introduction to TMR1370
In the ever-evolving field of medical technology, Continuous Glucose Monitoring (CGM) has emerged as a vital tool for individuals managing diabetes.
MultiDimension Technology Co., Ltd. (MDT) has recently pushed the boundaries of this technology by introducing their latest innovation—the TMR1370 ultra-low-power magnetic switch IC. This article delves into the technology behind TMR1370, its features, and its implications for CGM devices.
The Power of Innovation
MDT is renowned for being a leading supplier of magnetic sensors, and their pioneering work in Tunneling Magnetoresistance (TMR) technology has set new standards in the industry. The TMR1370 represents a significant advancement over its predecessors—TMR1367, TMR1368, and TMR1369. Specifically designed for CGM devices, this new magnetic switch IC enhances efficiency by allowing for a much lower power consumption level.
One of the standout features of the TMR1370 is its remarkable supply current, which maxes out at just 50nA. For a typical supply voltage of 3V, the consumption is about 30nA. This ultra-low energy requirement translates into more than two years of standby operation, significantly extending the functional life of battery-powered CGM devices.
Impacts on CGM Devices
The introduction of the TMR1370 not only improves battery life but also helps maintain the accuracy and reliability needed for continuous glucose monitoring. The device employs a magnetic wake-up mechanism, enabling it to be activated only when necessary—preserving battery life for continuous monitoring once activated. Such capabilities are essential for everyday users, who rely on timely and accurate glucose readings.
The TMR1370 is optimized for wide voltage compatibility, operating at a range of 1.8V to 4.0V. Additionally, the device has a maximum operating point below 40 Gauss, ensuring reliable activation from a magnetic stimulus. This versatility offers system designers greater flexibility in how they design and implement sensors within CGM architectures, supporting a variety of mechanical layouts.
Miniaturization and Design Flexibility
As medical devices trend towards smaller and sleeker designs, the TMR1370 addresses this need with its compact dimensions. Housed in a miniature DFN5L package (1.6×1.6×0.5 mm), it enables the development of thinner and lighter wearable devices, marking a crucial step for manufacturers aiming to enhance user comfort without compromising functionality.
Comprehensive Portfolio
Complementing MDT's existing range of X-axis and Z-axis CGM magnetic switches, the TMR1370 opens new avenues for product innovation. System designers can seamlessly transition from the previous generation of devices to this state-of-the-art solution, which promises to enhance both user experience and device reliability.
Availability and Future Outlook
Samples of the TMR1370 are available for professionals through DigiKey and MDT's online store, ensuring that manufacturers can quickly adopt this cutting-edge technology. For more extensive partnerships, MDT's global sales team is available for discussions on volume pricing and technical specifications.
About MDT
Founded in 2010 in Zhangjiagang, Jiangsu Province, MDT has established itself as a front-runner in magnetic sensor technology. With branch offices across Asia and the United States, the company’s commitment to innovation and high standards is backed by its proprietary manufacturing techniques and a talented team of experts. By focusing on creating value for its customers, MDT continues to lead the evolution of magnetic sensor applications in medical devices and beyond.
For more information about MDT and their products, visit
MultiDimension Technology's website.