Introduction Apple’s iPhone 17 series, launched in 2025, officially supports the variable voltage charging mode based on the new USB-PD 3.2 specification, namely USB PD 3.2 SPR AVS, and has released an official40W dynamic power adapter (up to 60W), to achieve the official claim of “approximately 20 minutes to charge to 50%” fast charging experience. … Read more
Introduction On September 10, 2025, Apple held its 2025 Fall New Product Launch event, unveiling the iPhone 17 series along with a series of major new products. At the same time, Apple launched a 40W dynamic power adapter on its official website, which supports fast charging and is fully compatible. Its peak power can reach … Read more
CK Note: The diagnosis and treatment of primary aldosteronism have formed a system, but the relatively complex processes and controversial results have left many endocrinologists confused. Primary aldosteronism also faces many challenges, mainly due to the high prevalence that exceeds previous understandings and the simplification of processes and methods; all of these require evidence. Current … Read more
Low Power Design Methods – Frequency and Voltage Scaling The practical operational space of circuit design lies in the process, design goals, process libraries, and timing analysis methods. Under special processes, temperature inversion particularly limits the range of timing, voltage, and temperature to maintain their normal monotonic relationship. A detailed analysis of all these factors … Read more
Author: Digi-Key’s North American Editors Voice assistants have quickly become an important product feature, thanks to popular smart voice-based products like Amazon Echo and Google Home. While voice service providers offer developers API support——so they don’t have to become experts in voice recognition and parsing details——the requirement to combine audio hardware and voice processing software … Read more