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In today's medical and health field, continuous glucose monitor (CGM) has become an indispensable tool in the daily management of diabetes patients. With the continuous progress of technology, CGM has increasingly high requirements for the power consumption, volume and performance of internal electronic components. As a leading enterprise in the electronic component industry, EPSON Epson Crystal Oscillator Co., Ltd., with its outstanding research and development strength and process experience, successfully launched the FC2012AN imported crystal oscillator product with low power consumption, small size, and low impedance (ESR). The FC2012AN chip 32.768K crystal oscillator provides a new solution for the design of CGM, As a portable medical device, the design of CGM faces a series of challenges. Firstly, in order to ensure the portability of the device, the size and volume of the crystal oscillator must be as small as possible. Secondly, CGM needs to work for a long time, so low power consumption becomes a key factor in the design. In addition, to ensure the accuracy and stability of measurement results, the performance of the crystal oscillator is also crucial.
The Epson crystal oscillator FC2012AN has successfully solved the key challenges in CGM design with its unique innovative features. Firstly, FC2012AN has an extremely low impedance (ESR), which makes it perform well in low-power applications. Secondly, this crystal oscillator is easy to start and has high oscillation stability, even in ICs with low driving capabilities, maintaining good performance. In addition, FC2012AN has extremely low power consumption, reducing the current consumption of the oscillation circuit by about 19% compared to existing 32.768KHz products, with only 319nA *. This innovative feature makes FC2012AN an ideal choice for CGM design, The application of FC2012AN crystal oscillator in CGM design has brought many advantages. Firstly, its low power consumption characteristics enable CGM to work for a long time without frequent battery replacement, improving the portability and user experience of the device. Secondly, low ESR and high oscillation stability ensure the accuracy and reliability of CGM measurement results. In addition, the small size of FC2012AN reduces the overall volume of CGM, further enhancing the portability of the device.
In addition, there is a contradiction between package size and ESR in the crystal manufacturing process. Generally speaking, the smaller the package, the larger the ESR. This is because small packages limit the space inside the crystal, reducing the distance between electrodes and increasing ESR. However, in CGM design, we need to consider both package size and ESR factors. To solve this contradiction, Epson has successfully launched the FC2012AN crystal oscillator with its years of process experience and research and development strength. This product achieves the goal of low ESR by optimizing the crystal structure and electrode design while maintaining a small package. The CGM of FC2012AN performs well in power consumption, volume, and performance. Specifically, compared to using the traditional 32.1. The CGM with imported 768KHz chip crystal adopts FC2012AN CGM, which reduces power consumption by about 20% and volume by about 15%.