<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://youtu.be/f_n5AIYTm50?&utm_source=Newsletter&utm_medium=RTWWW&utm_campaign=Issue50EN&sc_lang=en" 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/en_EDM_video.jpg"></a></div><div class="col-md-12 mb-40"><p>The demand for current sense amplifiers is experiencing rapid growth, increasing at an annual rate of 10% due to the expansion of 5G telecom equipment and automotive applications, alongside global initiatives for carbon emissions reduction. The market size is projected to reach USD 2 billion by next year. Current sense amplifiers are crucial for preventing overcurrent, monitoring ground faults, and optimizing power control, thereby enhancing energy efficiency, and reducing environmental impact. This makes it one of the key components for sustainable development.</p></div><div class="col-md-12 "><div class="mb-2"><div class="section-title font-weight-bold mb-30">What is Current Sense Amplifier?</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/en_I50_01_EN.jpg"></div><div class="col-md-6 d-flex align-items-center justify-content-center "><p>Current sense amplifiers, which are high-precision differential amplifiers specially designed for current sensing, measure small voltage drops across a shunt resistor and the output voltage correlates with the input current across the sense resistor. They offer simple operation, noise immunity, and accurate current measurements, providing critical control for system designs and protection against overheating and short circuits.</p></div><div class="col-md-12 "><div class="mb-2"><div class="section-title font-weight-bold mb-30">Selection Criteria and Design Tips</div></div></div><div class="col-md-12 "><p>Current sense amplifiers are categorized into digital and analog types. Analog types deliver real-time analog output, ideal for applications requiring instantaneous response. Digital types offer diverse parameter reporting, including voltage, current, and power, and communicate with microcontrollers via communication interfaces, such as I<sup>2</sup>C or SMBus for effective power monitoring. Key performance indicators such as offset error and gain error are vital when selecting a suitable amplifier. How to calculate the optimal sense resistor to minimize measurement errors and improve accuracy? Discover Richtek's current sense amplifier product roadmap.</p></div><div class="col-md-12 mb-20 text-center"><a href="https://www.youtube.com/watch?v=C2Y-je8YrZE&utm_source=Newsletter&utm_medium=RTWWW&utm_campaign=Issue50EN&sc_lang=en" 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/en_I50_design_video_1.jpg"></a><p class="pt-4">（<a href="https://www.youtube.com/watch?v=C2Y-je8YrZE&utm_source=Newsletter&utm_medium=RTWWW&utm_campaign=Issue50EN&sc_lang=en" target="_blank"><span style="color: #37a6d9;text-decoration: none;">00:00</span></a> What is Current Sense Amplifier? /<a href="https://www.youtube.com/watch?v=C2Y-je8YrZE#t=3m55s&utm_source=Newsletter&utm_medium=RTWWW&utm_campaign=Issue50EN&sc_lang=en" target="_blank"><span style="color: #37a6d9;text-decoration: none;">03:55</span></a> Selection Criteria and Design Tips )</p></div><div class="col-md-12 mb-40 text-center"><p><b>Digital Current Sense Amplifier</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=Issue50EN&sc_lang=en" 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=Issue50EN&sc_lang=en" 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/en/product-specifications/rtq6/rtq6053-rtq6053b?utm_source=Newsletter&utm_medium=RTWWW&utm_campaign=Issue50EN&sc_lang=en" 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>Analog Current Sense Amplifier</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=Issue50EN&sc_lang=en" 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=Issue50EN&sc_lang=en" 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>