<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_XNjQ5NDY3NDY4NA==.html?&utm_source=Newsletter&utm_medium=RTWWW&utm_campaign=Issue52CN&sc_lang=zh-CN" target="_blank"><img class="img-center " style="max-width:600px;" alt="RTQ5756 Four-Phase Synchronous Buck Converter Family" src="/content/dam/richtek-eds/resources/tech-insights/news/newsletter-issue-52/html-images/zh-cn_EDM_video.jpg"></a></div><div class="col-md-12 mb-40"><p>随着 AI 与高算力应用的快速发展，系统需整合 DSP 或 FPGA 以支持实时运算与数据处理，对电源管理也提出了更高电流输出与高功率密度的严苛要求。如何在有限空间内实现稳定高效的供电，已成为系统设计中的关键挑战。</p><p>为应对这一需求，立锜推出基于 ACOT<sup>®</sup> 架构的 4 相同步降压转换器 RTQ5756 系列，支持 3V 至 5.5V 输入与 0.4V 至 2.05V 输出电压范围，采用 WL-CSP2.69x3.92-54(BSC) 封装，整体方案仅占 70mm³ 设计空间，实现高达 0.285W/mm³ 的功率密度。结合多相位控制架构，不仅能有效抑制输出纹波，同时提升系统效率。无论是 AI 数据中心光学模块中的 DSP，还是其他高性能应用的电源设计需求，RTQ5756 系列都是理想的电源解决方案。</p></div><div class="col-md-12 "><div class="mb-2"><div class="section-title font-weight-bold mb-30 pb-3">灵活相位配置与多输出组合</div></div></div><div class="col-md-12 text-center"><img class="img-center " style="max-width:900px;" alt="Flexible Phase Configurations & Multiple Output Selections" src="/content/dam/richtek-eds/resources/tech-insights/news/newsletter-issue-52/html-images/zh-cn_I52_02.jpg"></div><div class="col-md-12 mb-40"><p>RTQ5756 系列具备 4 相能力，可根据系统需求选择不同组合：1+1+1+1 四输出、2+1+1 或 3+1 三输出、2+2 或 3+1 双输出，以及 4 相单输出配置，最高支持 20A 输出电流。通过 I<sup>2</sup>C 控制接口，可灵活设置电源开关时序、看门狗计时器、故障检测与关断、动态电压调节、电压变化斜率、软启动斜率等功能，提供高度应用弹性。</p></div><div class="col-md-12 "><div class="mb-2"><div class="section-title font-weight-bold mb-30 pb-3">自动相位调节，优化效率</div></div></div><div class="col-md-6 "><img class="img-center " style="max-width:600px;" alt="Automatic Phase Adjustment for Optimized Efficiency" src="/content/dam/richtek-eds/resources/tech-insights/news/newsletter-issue-52/html-images/zh-cn_I52_03.jpg"></div><div class="col-md-6 d-flex align-items-center justify-content-center "><p>在多相输出模式下，可根据负载变化智能调节开关频率与相位数量（Auto Phase Adding/Shedding），在轻载时降低功耗，重载时确保足够电流输出，实现全负载范围内的高效率表现。</p></div><div class="col-md-12 "><div class="mb-2"><div class="section-title font-weight-bold mb-30 pb-3">高功率密度</div></div></div><div class="col-md-12 "><p>完整方案仅占 7mm×10mm×1mm 设计尺寸，支持最高 20W 输出，功率密度高达 0.285W/mm³，是系统核心电源的理想选择。</p><div class="btn-block pb-4 pt-3"><a href="https://v.youku.com/v_show/id_XNjQ5NDY3NDY4NA==.html?&utm_source=Newsletter&utm_medium=RTWWW&utm_campaign=Issue52CN&sc_lang=zh-CN" target="_blank" class="btn-sm btn-primary py-2 px-3">观看产品介绍与上电演示<i class="fas fa-arrow-right pl-2"></i></a> <a href="/content/dam/richtek-eds/resources/technical-documentations/en/design-tools/RTQ5756%20GUI.zip?&utm_source=Newsletter&utm_medium=RTWWW&utm_campaign=Issue52CN&sc_lang=zh-CN" target="_blank" class="btn-sm btn-primary py-2 px-3">下载设计工具与配置文件<i class="fas fa-arrow-right pl-2"></i></a></div><p>订购 Wrenboard 工具包，立即开始 RTQ5756 设计。</p><div class="btn-block pb-4 pt-3"><a href="https://www.digikey.com/en/products/detail/richtek-usa-inc/RD0001-01/17728794" target="_blank" class="btn-sm btn-primary py-2 px-3">订购 Wrenboard 工具包<i class="fas fa-arrow-right pl-2"></i></a></div></div></div></div><div class="cus-content"><div class="row no-gutters"><div class="col-md-12 text-center"><table class="table table-hover table-bordered table-sm"><thead class="thead-dark"><tr><th scope="col">Product Number</th><th scope="col">Output Channel(s)</th><th scope="col">Output Phase</th><th scope="col">Output Current</th><th scope="col" style="max-width:80px;">Buy Online</th></tr></thead><tbody><tr><th scope="row" style="padding-top:8px;"><a href="https://www.richtek.com/RedirectToProduct?specid=RTQ5756&utm_source=Newsletter&utm_medium=RTWWW&utm_campaign=Issue52EN&sc_lang=en" target="_blank" style="text-decoration: none; color: #37a6d9;font-size: 1.1rem;">RTQ5756A</a> <a href="https://www.richtek.com/SaveDownload.aspx?specid=RTQ5756&utm_source=Newsletter&utm_medium=RTWWW&utm_campaign=Issue52EN&sc_lang=en" target="_blank" style="padding:0px;text-decoration:none;display:inline-block"><img align="middle" style="padding-bottom: 3px;" alt="download datasheet" border="0" src="/content/dam/richtek-eds/resources/tech-insights/news/newsletter-issue-52/html-images/en_ic-download-2.png" width="30px;" height="30px" /></a></th><td>3</td><td>2+1+1</td><td>10A+5A+5A</td><td><a href="https://www.digikey.com/en/products/detail/richtek-usa-inc/RTQ5756AWSC/25994236?s=N4IgTCBcDaIEoBUCKBWA7CgbCAugXyA" target="_blank"><img alt="Buy-on-Line" border="0" src="/content/dam/richtek-eds/resources/tech-insights/news/newsletter-issue-52/html-images/en_ic-cart.png" width="35px;" style="width: 35px;"></a></td></tr><tr><th scope="row" style="padding-top:8px;"><a href="https://www.richtek.com/RedirectToProduct?specid=RTQ5756&utm_source=Newsletter&utm_medium=RTWWW&utm_campaign=Issue52EN&sc_lang=en" target="_blank" style="text-decoration: none; color: #37a6d9;font-size: 1.1rem;">RTQ5756B</a> <a href="https://www.richtek.com/SaveDownload.aspx?specid=RTQ5756&utm_source=Newsletter&utm_medium=RTWWW&utm_campaign=Issue52EN&sc_lang=en" target="_blank" style="padding:0px;text-decoration:none;display:inline-block"><img align="middle" style="padding-bottom: 3px;" alt="download datasheet" border="0" src="/content/dam/richtek-eds/resources/tech-insights/news/newsletter-issue-52/html-images/en_ic-download-2.png" width="30px;" height="30px" /></a></th><td>4</td><td>1+1+1+1</td><td>5A+5A+5A+5A</td><td><a href="https://forms.office.com/Pages/ResponsePage.aspx?id=6GOM0O6GNE6h5UQzg3P0seMVen-xb9hAr_ZA0LheCTNUOUJXOTZSRVZNSFlGU0xIMTZJMzRXSk9IRC4u" target="_blank"><img alt="Buy-on-Line" border="0" src="/content/dam/richtek-eds/resources/tech-insights/news/newsletter-issue-52/html-images/en_ic-email.png" width="35px;" style="width: 35px;"></a></td></tr><tr><th scope="row" style="padding-top:8px;"><a href="https://www.richtek.com/RedirectToProduct?specid=RTQ5756&utm_source=Newsletter&utm_medium=RTWWW&utm_campaign=Issue52EN&sc_lang=en" target="_blank" style="text-decoration: none; color: #37a6d9;font-size: 1.1rem;">RTQ5756C</a> <a href="https://www.richtek.com/SaveDownload.aspx?specid=RTQ5756&utm_source=Newsletter&utm_medium=RTWWW&utm_campaign=Issue52EN&sc_lang=en" target="_blank" style="padding:0px;text-decoration:none;display:inline-block"><img align="middle" style="padding-bottom: 3px;" alt="download datasheet" border="0" src="/content/dam/richtek-eds/resources/tech-insights/news/newsletter-issue-52/html-images/en_ic-download-2.png" width="30px;" height="30px" /></a></th><td>2</td><td>3+1</td><td>15A+5A</td><td><a href="https://forms.office.com/Pages/ResponsePage.aspx?id=6GOM0O6GNE6h5UQzg3P0seMVen-xb9hAr_ZA0LheCTNUOUJXOTZSRVZNSFlGU0xIMTZJMzRXSk9IRC4u" target="_blank"><img alt="Buy-on-Line" border="0" src="/content/dam/richtek-eds/resources/tech-insights/news/newsletter-issue-52/html-images/en_ic-email.png" width="35px;" style="width: 35px;"></a></td></tr><tr><th scope="row" style="padding-top:8px;"><a href="https://www.richtek.com/RedirectToProduct?specid=RTQ5756&utm_source=Newsletter&utm_medium=RTWWW&utm_campaign=Issue52EN&sc_lang=en" target="_blank" style="text-decoration: none; color: #37a6d9;font-size: 1.1rem;">RTQ5756D</a> <a href="https://www.richtek.com/SaveDownload.aspx?specid=RTQ5756&utm_source=Newsletter&utm_medium=RTWWW&utm_campaign=Issue52EN&sc_lang=en" target="_blank" style="padding:0px;text-decoration:none;display:inline-block"><img align="middle" style="padding-bottom: 3px;" alt="download datasheet" border="0" src="/content/dam/richtek-eds/resources/tech-insights/news/newsletter-issue-52/html-images/en_ic-download-2.png" width="30px;" height="30px" /></a></th><td>1</td><td>4</td><td>20A</td><td><a href="https://forms.office.com/Pages/ResponsePage.aspx?id=6GOM0O6GNE6h5UQzg3P0seMVen-xb9hAr_ZA0LheCTNUOUJXOTZSRVZNSFlGU0xIMTZJMzRXSk9IRC4u" target="_blank"><img alt="Buy-on-Line" border="0" src="/content/dam/richtek-eds/resources/tech-insights/news/newsletter-issue-52/html-images/en_ic-email.png" width="35px;" style="width: 35px;"></a></td></tr><tr><th scope="row" style="padding-top:8px;"><a href="https://www.richtek.com/RedirectToProduct?specid=RTQ5756&utm_source=Newsletter&utm_medium=RTWWW&utm_campaign=Issue52EN&sc_lang=en" target="_blank" style="text-decoration: none; color: #37a6d9;font-size: 1.1rem;">RTQ5756E</a> <a href="https://www.richtek.com/SaveDownload.aspx?specid=RTQ5756&utm_source=Newsletter&utm_medium=RTWWW&utm_campaign=Issue52EN&sc_lang=en" target="_blank" style="padding:0px;text-decoration:none;display:inline-block"><img align="middle" style="padding-bottom: 3px;" alt="download datasheet" border="0" src="/content/dam/richtek-eds/resources/tech-insights/news/newsletter-issue-52/html-images/en_ic-download-2.png" width="30px;" height="30px" /></a></th><td>2</td><td>2+2</td><td>10A+10A</td><td><a href="https://forms.office.com/Pages/ResponsePage.aspx?id=6GOM0O6GNE6h5UQzg3P0seMVen-xb9hAr_ZA0LheCTNUOUJXOTZSRVZNSFlGU0xIMTZJMzRXSk9IRC4u" target="_blank"><img alt="Buy-on-Line" border="0" src="/content/dam/richtek-eds/resources/tech-insights/news/newsletter-issue-52/html-images/en_ic-email.png" width="35px;" style="width: 35px;"></a></td></tr></tbody></table></div></div></div></div>