<link href="/css/www-style.css" rel="stylesheet"><link href="/css/bootstrap.css" rel="stylesheet"><link href="/css/newsletter.css" rel="stylesheet"><link href="/css/alfontawesome-all.css" rel="stylesheet"><div class="key-container pb-5"><div class="cus-content"><div class="row no-gutters "><div class="col-md-12 text-center"><a href="https://v.youku.com/v_show/id_XNjQ2MTcxMzEyNA==.html?&utm_source=Newsletter&utm_medium=RTWWW&utm_campaign=Issue50CN&sc_lang=zh-CN" target="_blank"><img class="img-center " style="max-width:600px;" alt="Current Sense Amplifiers: Essential Components for Sustainability" src="/content/dam/richtek-eds/resources/tech-insights/news/newsletter-issue-50/html-images/zh-cn_EDM_video.jpg"></a></div><div class="col-md-12 mb-40"><p>随着 5G 电信设备和汽车应用的快速发展，加上全球碳排放议题的推动，电流检测放大器的市场需求正以每年 10% 的速度快速增长，预计明年市场规模将达到 20 亿美元。电流检测放大器能够防止过电流、监测接地故障并优化电源控制，帮助提高能源使用效率，对减轻环境负担具有重要意义，是实现可持续发展的关键元件之一。</p></div><div class="col-md-12 "><div class="mb-2"><div class="section-title font-weight-bold mb-30">电流检测放大器是什么？</div></div></div><div class="col-md-6 "><img class="img-center " style="max-width:600px;" alt="What is Current Sense Amplifier?" src="/content/dam/richtek-eds/resources/tech-insights/news/newsletter-issue-50/html-images/zh-cn_I50_01_CN.jpg"></div><div class="col-md-6 d-flex align-items-center justify-content-center "><p>电流检测放大器是一种专门设计用于检测电流的高精度差分放大器，通过放大电流流经电阻时产生的电压差来进行电流检测。它不仅操作简便且抗噪音，还能提供精确的电流测量，为系统设计提供关键的控制与安全保护，避免过热或短路等风险。</p></div><div class="col-md-12 "><div class="mb-2"><div class="section-title font-weight-bold mb-30">应用选择技巧</div></div></div><div class="col-md-12 "><p>电流检测放大器分为数字和模拟两种类型。模拟型电流检测放大器能够提供即时的模拟输出信号，非常适合需要快速响应或实时反馈的应用场景。数字型电流、功率监视器可以提供更多样化的参数反馈，如电压、电流和功率等，并通过 I<sup>2</sup>C 或 SMBus 等通信接口与系统中的微控制器通信，适用于系统功率监控应用。在选择合适的电流检测放大器时，偏移误差（Offset Error）和增益误差（Gain Error）是两个重要的参数，如何计算合适的感测电阻来有效减少测量误差、提高精度呢？想了解立锜热销的电流检测放大器吗？请观看下方影片了解更多。</p></div><div class="col-md-12 mb-20 text-center"><a href="https://v.youku.com/v_show/id_XNjQ2MzI0NDU3Ng==.html?&utm_source=Newsletter&utm_medium=RTWWW&utm_campaign=Issue50CN&sc_lang=zh-CN" target="_blank"><img class="img-center " style="max-width:600px;" alt="Current Sense Amplifiers: Essential Components for Sustainability" src="/content/dam/richtek-eds/resources/tech-insights/news/newsletter-issue-50/html-images/zh-cn_I50_design_video_1.jpg"></a><p class="pt-4">（<span style="color: #37a6d9">00:00</span> 电流检测放大器是什麽 /<span style="color: #37a6d9">04:08</span> 应用选择技巧）</p></div><div class="col-md-12 mb-40 text-center"><p><b>数字型</b></p></div><div class="col-md-12 text-center"><div class=" row justify-content-center"><table class="table " style="width: 600px;"><thead class="thead-light"><tr><th scope="col" style="padding: 5px 5px;">Product Number</th><th scope="col">Offset Error(max)</th><th scope="col">Gain Error(max)</th><th scope="col">Sense Voltage Input Range</th></tr></thead><tbody><tr><th scope="row"><a href="https://www.richtek.com/RedirectToProduct?specid=RTQ6059&utm_source=Newsletter&utm_medium=RTWWW&utm_campaign=Issue50CN&sc_lang=zh-CN" target="_blank" style="text-decoration: none; color: #37a6d9;">RTQ6059</a></th><td>50µV</td><td>0.30%</td><td>Programmable</td></tr><tr><th scope="row"><a href="https://www.richtek.com/RedirectToProduct?specid=RTQ6056&utm_source=Newsletter&utm_medium=RTWWW&utm_campaign=Issue50CN&sc_lang=zh-CN" target="_blank" style="text-decoration: none; color: #37a6d9;">RTQ6056</a></th><td>10µV</td><td>0.12%</td><td>Fixed</td></tr><tr><th scope="row"><a href="https://www-preprod.richtek.com/zh-cn/product-specifications/rtq6/rtq6053-rtq6053b?utm_source=Newsletter&utm_medium=RTWWW&utm_campaign=Issue50CN&sc_lang=zh-cn" target="_blank" style="text-decoration: none; color: #37a6d9;">RTQ6053</a></th><td>25µV</td><td>0.30%</td><td>Fixed</td></tr></tbody></table></div></div><div class="col-md-12 mb-20 text-center"><p><b>模拟型</b></p></div><div class="col-md-12 text-center"><div class=" row justify-content-center"><table class="table " style="width: 600px;"><thead class="thead-light"><tr><th scope="col" style="padding: 5px 5px;">Product Number</th><th scope="col">Offset Error(max)</th><th scope="col">Gain Error(max)</th><th scope="col">Voltage Gain</th></tr></thead><tbody><tr><th scope="row"><a href="https://www.richtek.com/RedirectToProduct?specid=RTQ6050/RTQ6052&utm_source=Newsletter&utm_medium=RTWWW&utm_campaign=Issue50CN&sc_lang=zh-CN" target="_blank" style="text-decoration: none; color: #37a6d9;">RTQ6052</a></th><td>2.5mV</td><td>1%</td><td>100V/V</td></tr><tr><th scope="row"><a href="https://www.richtek.com/RedirectToProduct?specid=RTQ6050/RTQ6052&utm_source=Newsletter&utm_medium=RTWWW&utm_campaign=Issue50CN&sc_lang=zh-CN" target="_blank" style="text-decoration: none; color: #37a6d9;">RTQ6050</a></th><td>2.5mV</td><td>1%</td><td>20V/V</td></tr></tbody></table></div></div></div></div></div>