高頻MOS管設計痛點：米勒平臺的原理與解決方法
米勒平臺是高頻MOS管應用中的常見問題，但只要理解其原理，選擇低柵漏電容的器件和強驅動方案，就能有效緩解。合科泰以多年技術積累和ISO9001、IATF16949質量體系認證，為工程師提供可靠的器件和技術支持。如果您在設計中遇到米勒效應相關的問題，或想了解合科泰HKTD系列MOS管的具體參數，歡迎聯系我們，合科泰的技術團隊會第一時間為您解答，助力您的高頻電路實現高效、穩定運行。
-
-
商會賦能｜集群科技 “省芯站” AI 建站，助元器件企業輕松出海！
商會專屬賦能！集群科技 “省芯站” AI 建站系統，3-5 分鐘零代碼搞定獨立站，2k 起含千萬級元器件數據，多語言覆蓋百國搜索引擎，全自動 SEO 獲客，助企業低成本輕松出海～ 破解元器件企業出海痛點！商會推薦 “省芯站” AI 建站：快速搭建、海量數據、全球曝光、智能運營一鍵解鎖，讓海外詢盤自動上門，搶占全球市場先機！ 無需懂編程，3 步搞定出海獨立站！集群科技 “省芯站” 適配各規模企業，贈萬級 - 百萬級元器件數據，AI 驅動全渠道曝光，是商會會員出海獲客的高效利器～ -
NS6305 5V/ 1.2A 固定輸出同步降壓穩壓器
NS6305 是支持高電壓輸入的同步降壓電源管理芯片，在寬輸入電壓范圍內可實現 1.2A 的連續電流輸出。NS6305 具有優秀的恒壓特性。NS6305 采用電流模式的環路控制原理，實現了快速的動態響應。NS6305 工作開關頻率為 220kHz，具有良好的EMI 特性。 NS6305 內置有低導通電阻的上下功率管導通，能夠最大程度提高效率。支持在輕重負載情況下自動負載切換調制方式，在輕載時采用效率更高的PSM（Pulse skip mode）方式，重載時采用 220KHZ固定頻率的 PWM（Pulse width mode）方式。同時芯片還包含多重保護功能：過溫保護，輸出短路保護和輸入欠壓/過壓保護等。 NS6305 采用 SOP-8 的標準封裝。 -
PL59011應用指南 100V,20A PWM同步降壓控制器
PL59011是一款適用于輸入電壓高達100V的超寬輸入范圍、高性能同步降壓DC-DC的PWM控制器。PL59011通過驅動一對外部整流和續流MOS-FET實現大輸出電流(可達20A)、超寬出入范圍(12-100V)的降壓DC-DC應用。可外部編程 調整開關頻率，可調范圍為50 kHz-500kHz,實現在不同應用下對轉換效率、體積、功率大小的靈活設計。 PL59011保護功能齊全,具有可編程設置的輸入欠壓鎖定、輸入過壓鎖定、和輸出過流保護以及電源電流低于10μA時 的自動關閉模式。在家庭儲能電源、電信總線網絡轉換器、工業電機驅動等高壓、大電流應用的理想選擇。 -
PL56002 Dual Constant Current Step-Down Switching Regulator
PL56002 is a PWM controller, designed for high performance synchronous Buck DC/DC applications with input voltages 4.2 V to 32 V PL56002 employs Constant ON time control. The switching frequency could be set to 150kHz,300kHz based on different resistor value between FREQ pinand GND pin. The device also features a programmable soft-start function and offers all kinds of protection features including cycle-by-cycle current limiting, input under voltage lockout (UvLO), output over voltage protection (OvP), thermal shutdown and output short prote ction etc. -
PL84052 Dual Constant Current Step-Down Switching Converter
PL84052 is a PWM controller, designed for highperformance synchronous Buck DC/DC applications with input voltages 3.0 V to 32 V(36 V maximum).PL84052 employs Constant ON time control. The switching frequency could be set to 150kHz,300kHz600kHz or 1200kHz based on different resistor value between FREQ pin and GND pin. The device also features a programmable soft-start function and offers all kinds of protection features including cycle-by-cycle current limiting, input under voltage lockout (UVLO),output over voltage protection (OVP), thermal shutdow and output short protection etc. -
RY9121 17V 2A 500KHz ECOT Force-PWM Sync Step-Down Regulator
The RY9121 is a high frequency, synchronous, rectified, step-down, switch-mode converter with internal power MOSFETs. It offers a very compact solution to provide a 2A continuous output current over a wide input supply range, with excellent load and line regulation. ECOT control operation provides very fast transient response and easy loop design as well as very tight output regulation. The RY9121 requires a minimal number of readily available, external components and is available in a space saving SOT23-6 package. -
-
RY9121E 17V 2A 1.2MHz ECOT PWM Sync Step-Down Regulator
The RY9121E is a high frequency, synchronous, rectified, step-down, switch-mode converter with internal power MOSFETs. It offers a very compact solution to provide a 2A continuous output current over a wide input supply range, with excellent load and line regulation. ECOT control operation provides very fast transient response and easy loop design as well as very tight output regulation. The RY9121E requires a minimal number of readily available, external components and is available in a space saving SOT23-6 package. -
快速定位MOS故障的常見方法與解決方案
在電路設計和應用中，MDD的MOS晶體管是重要的開關元件。當MOS晶體管出現故障時，可能會導致系統無法正常工作，甚至引發損壞。對于MDD FAE工程師來說，快速定位和修復MOS故障是確保系統穩定運行的關鍵。本文MDD將探討常見的MOS故障類型、故障排查方法以及相應的修復方案。
