<!-- Bootstrap core CSS --> <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"> <!-- Custom fonts for this template --> <section> <div class="key-container"> <div class="cus-content-subscribe"> <div class="row no-gutters"> <div class=" col-md-12"> <div class="page-header"> <a class="cus-btn btn-sm" href="https://www.richtek.com/My Richtek/Newsletters.aspx"><i class="fas fa-envelope"></i> Subscribe to Richtek Newsletter</a> </div> </div> </div> </div> </div> <div class="key-container pb-5"> <!-- Title start --> <div class="cus-content"> <div class="row no-gutters "> <div class="col-md-12 "> <div class="page-header"> <h1 class="font-weight-bold">Optimizing 45W Charging with Richtek Buck-Boost Switching Battery Chargers</h1> <i class="far fa-calendar-alt date-i"></i> <span class="ml-2 date">OCT. 15, 2024 | Newsletter Issue 49</span> </div> </div> </div> </div> <!-- Content End --> <div class="cus-content"> <div class="row no-gutters "> <div class="col-md-12 mb-20 text-center"> <img class="img-center " style="max-width:900px;" alt="Optimizing 45W Charging with Richtek Buck-Boost Switching Battery Chargers" src="/content/dam/richtek-eds/resources/tech-insights/news/newsletter-issue-49/html-images/en_I47-02-1.jpg"> </div> <div class="col-md-12 "> <p>Designed to accommodate 2 to 4 cell Li-ion and Li-polymer batteries, ideal for 45W applications such as chrome books, drones, portable vacuum cleaners, mPOS systems, and more, Richtek has launched the RT9492, the highly integrated 5A Buck-Boost switching battery charger with charge and system power path management. Featuring I<sup>2</sup>C serial interface with charging and system settings, the RT9492 is a truly flexible charger solution.</p> </div> <div class="col-md-12 "> <div class="mb-2"> <div class="section-title font-weight-bold mb-30" >What sets the RT9492 apart?</div> </div> </div> <div class="col-md-12"> <p class="pl-4"> <ol style="line-height:2;"> <li style="list-style-position:outside;"> Achieving up to <b>96.7% high efficiency</b> for 2-cell battery applications, it supports dual input control and USB On-The-Go function, providing precise charging resolution for USB-PD. </li> <li style="list-style-position:outside;"> With only <b>2.5µA low battery discharge current</b> in shipping mode, battery usage extends to over a month during shipment. <span style="color:#E07882;">*</span></li> <li style="list-style-position:outside;"> Achieving a high <b>+/- 0.3% high accuracy in charging voltage control </b> for 2-cell battery applications, it provides an additional 2.35% charging capacity. <span style="color:#E07882;">*</span></li> <li style="list-style-position:outside;"> The <b>Fast Role Swap</b> function supports USB-C products, ensuring seamless data and power transmission. </li> <li style="list-style-position:outside;"> The <b>I<sup>2</sup>C Interface</b> supports 1.2V low voltage for communication with a 5nm application processor, expanding compatibility to a wider range of applications.</li> </ol> </p> </div> <div class="col-md-12 "> <p> <span style="color:#E07882;">*</span> Compare with a product with similar functionalities from other manufacturer.</p> </div> <div class="col-md-12 "> <div class="mb-2"> <div class="section-title font-weight-bold mb-30" >Find out more in the video</div> </div> </div> <div class="col-md-12 mb-20 text-center"> <a href="https://www.youtube.com/watch?v=4q46CCfZidU" target="_blank"> <img class="img-center " style="max-width:750px;" alt="Optimizing 45W Charging with Richtek Buck-Boost Switching Battery Chargers" src="/content/dam/richtek-eds/resources/tech-insights/news/newsletter-issue-49/html-images/en_I48-01-1.jpg"></a> </div> <div class="col-md-12 mb-30"> <p>Also see system block diagrams with the RT9492/0 for mPOS, smart speakers, and drones. </p> <div class="btn-block pb-4"> <a href="https://www.richtek.com/applications/consumer-electronics/portable-devices?&ActiveTab=mPOS&utm_source=Newsletter&utm_medium=RTWWW&utm_campaign=Issue49EN&sc_lang=en" target="_blank" class="btn-sm btn-primary py-2 px-3">mPOS <i class="fas fa-arrow-right pl-2"></i> </a> <a href="https://www.richtek.com/applications/consumer-electronics/portable-devices?&ActiveTab=Smart Speaker&utm_source=Newsletter&utm_medium=RTWWW&utm_campaign=Issue49EN&sc_lang=en" target="_blank" class="btn-sm btn-primary py-2 px-3">Smart Speakers <i class="fas fa-arrow-right pl-2"></i> </a> <a href="https://www.richtek.com/applications/consumer-electronics/portable-devices?&ActiveTab=Drone&utm_source=Newsletter&utm_medium=RTWWW&utm_campaign=Issue49EN&sc_lang=en" target="_blank" class="btn-sm btn-primary py-2 px-3">Drones <i class="fas fa-arrow-right pl-2"></i> </a> </div> </div> </div> </div> <!-- Content End --> <!-- Product Tittle start --> <div class="cus-content"> <div class="row no-gutters"> <div class="col-md-12 pt-3"> <div class="new-product"> <h3 class="font-weight-bold">FEATURED PRODUCTS</h3> <p>Check out the products that meet your area of interest for more information</p> </div> </div> </div> <!-- Product start --> <div class="row no-gutters align-items-center pb-4"> <div class="col-4 col-sm-4 col-md-4 col-lg-4 col-xl-2"> <div> <a href="https://www.richtek.com/RedirectToProduct?specid=RT9492&utm_source=Newsletter&utm_medium=RTWWW&utm_campaign=Issue49EN&sc_lang=en" target="_blank"><img class="img-fluid py-5 mx-auto" src="/content/dam/richtek-eds/resources/tech-insights/news/newsletter-issue-49/html-images/en_I48-p1-2.jpg" alt="RT9492"></a> </div> </div> <!-- img close --> <div class="col-8 col-sm-8 col-md-8 col-lg-8 col-xl-10"> <div class="new-block"> <div class="section-title">RT9492</div> <span class="text-danger">5A 2-4 Cell Buck-Boost Switching Battery Charger in a VQFN4x4-29TL package </span> <p> Highly-integrated Buck-Boost switch-mode battery charge management and system power path management device for 2-4 cell Li-Ion and Li-polymer battery with a low impedance power path.</p> <div><a class="btn-sm btn-outline-light link py-2 px-3 border mr-2" href="https://www.richtek.com/RedirectToProduct?specid=RT9492&utm_source=Newsletter&utm_medium=RTWWW&utm_campaign=Issue49EN&sc_lang=en" target="_blank">See RT9492</a><a class="btn-sm btn-outline-light link py-2 px-3 border" href="https://www.richtek.com/SaveDownload.aspx?specid=RT9492&utm_source=Newsletter&utm_medium=RTWWW&utm_campaign=Issue49EN&sc_lang=en" target="_blank">Download Datasheet</a> <a class="btn-sm btn-outline-light link py-2 px-3 border" href="https://www.richtek.com/Design%20Support/Technical%20Document/AN081?&utm_source=Newsletter&utm_medium=RTWWW&utm_campaign=Issue49EN&sc_lang=en" target="_blank">See AN</a> <a class="btn-sm btn-outline-light link py-2 px-3 border" href="https://www.digikey.com/en/products/result?s=N4IgTCBcDaIEoBUCcAWJEC6BfIA&utm_source=Newsletter&utm_medium=RTWWW&utm_campaign=Issue49EN&sc_lang=en" target="_blank">Buy-on-Line </a> </div> </div> </div> <!-- content close --> </div> <!-- Product close --> <!-- Product start --> <div class="row no-gutters align-items-center pb-4"> <div class="col-4 col-sm-4 col-md-4 col-lg-4 col-xl-2"> <div> <a href="https://www.richtek.com/RedirectToProduct?specid=RT9490&utm_source=Newsletter&utm_medium=RTWWW&utm_campaign=Issue49EN&sc_lang=en" target="_blank"><img class="img-fluid py-5 mx-auto" src="/content/dam/richtek-eds/resources/tech-insights/news/newsletter-issue-49/html-images/en_I48-p2-2.jpg" alt="RT9490"></a> </div> </div> <!-- img close --> <div class="col-8 col-sm-8 col-md-8 col-lg-8 col-xl-10"> <div class="new-block"> <div class="section-title">RT9490</div> <span class="text-danger">5A 2-4 Cell Buck-Boost Switching Battery Charger in a WL-CSP-56B 2.93x3.46 (BSC) package</span> <p> Highly-integrated Buck-Boost switch-mode battery charge management and system power path management device for 2-4 cell Li-Ion and Li-polymer battery with a low impedance power path.</p> <div><a class="btn-sm btn-outline-light link py-2 px-3 border mr-2" href="https://www.richtek.com/RedirectToProduct?specid=RT9490&utm_source=Newsletter&utm_medium=RTWWW&utm_campaign=Issue49EN&sc_lang=en" target="_blank">See RT9490</a><a class="btn-sm btn-outline-light link py-2 px-3 border" href="https://www.richtek.com/SaveDownload.aspx?specid=RT9490&utm_source=Newsletter&utm_medium=RTWWW&utm_campaign=Issue49EN&sc_lang=en" target="_blank">Download Datasheet</a> <a class="btn-sm btn-outline-light link py-2 px-3 border" href="https://www.richtek.com/Design%20Support/Technical%20Document/AN081?&utm_source=Newsletter&utm_medium=RTWWW&utm_campaign=Issue49EN&sc_lang=en" target="_blank">See AN</a> <a class="btn-sm btn-outline-light link py-2 px-3 border" href="https://www.digikey.com/en/products/result?s=N4IgTCBcDaIEoBUCcAWJAGEBdAvkA&utm_source=Newsletter&utm_medium=RTWWW&utm_campaign=Issue49EN&sc_lang=en" target="_blank">Buy-on-Line </a> </div> </div> </div> <!-- content close --> </div> <!-- Product close --> <!-- Keywords start --> <div class="tag-content"> <div class="row no-gutters"> <div class="col-md-12 mb-40"> <div class="new-product"> <p>Want to keep up to date with all our latest news and information? <a class="link" href="https://www.richtek.com/My Richtek/Newsletters.aspx" target="_blank">Subscribe here!</a></p> </div> </div> </div> <div class="row no-gutters align-items-start"> <div class="col-12"> <a class="badge btn-tag" href="https://www.richtek.com/Products/Battery%20Management?&utm_source=Newsletter&utm_medium=RTWWW&utm_campaign=Issue49EN&sc_lang=en">Battery Management</a> <a class="badge btn-tag" href="https://www.richtek.com/applications/consumer-electronics/portable-devices?&ActiveTab=mPOS&utm_source=Newsletter&utm_medium=RTWWW&utm_campaign=Issue49EN&sc_lang=en">mPOS</a> <a class="badge btn-tag" href="https://www.richtek.com/applications/consumer-electronics/portable-devices?&ActiveTab=Drone&utm_source=Newsletter&utm_medium=RTWWW&utm_campaign=Issue49EN&sc_lang=en">Drone</a> <a class="badge btn-tag" href="https://www.richtek.com/applications/consumer-electronics/portable-devices?&ActiveTab=Smart Speaker&utm_source=Newsletter&utm_medium=RTWWW&utm_campaign=Issue49EN&sc_lang=en">Smart Speaker</a> </div> </div> </div> </div> </div> </section>