ROHM’s New PWM Controller ICs with SOP Package for Power Supplies in a Wide Variety of Industrial Applications

GlobeNewswire10-09

Supports a wide range of power transistors from Si MOSFETs and IGBTs to SiC MOSFETs, with built-in high accuracy undervoltage prevention malfunction ROHM's New External FET-type Controller ICs ...

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Ltd.","start_time":0,"source_url":"https://finance.yahoo.com/news/rohm-pwm-controller-ics-sop-210000204.html","article_id":"2474813492","we_media_id":null,"thumbnails":["https://s.yimg.com/uu/api/res/1.2/O_MI.7k0tDkVjazuNXfC5A--~B/aD0xNTM1O3c9MjEyNjthcHBpZD15dGFjaHlvbg--/https://media.zenfs.com/en/globenewswire.com/bb9160b42432b0f09510e02172534237"],"rights":null,"url":"https://stock-news.laohu8.com/highlight/detail?id=2474813492","pubTimestamp":1728421200,"columns":[],"sourceInfo":{"source_id":"yahoofinance","name":"雅虎金融"},"weMediaInfo":null,"summary":"Supports a wide range of power transistors from Si MOSFETs and IGBTs to SiC MOSFETs, with built-in high accuracy undervoltage prevention malfunction. Optimized for AC-DC power supplies in a variety of industrial applications. Product Lineup - ROHM's New External FET-type Controller ICs. Santa Clara, CA and Kyoto, Japan, Oct. 08, 2024  -- ROHM Semiconductor today announced new external FET-type controller ICs utilizing PWM current control mode optimized for AC-DC power supplies in various industrial applications. Mass production has begun for four variants designed to drive a wide range of power semiconductors: the BD28C55FJ-LB for low-voltage MOSFETs; BD28C54FJ-LB for medium- to high-voltage MOSFETs; BD28C57LFJ-LB for IGBTs; and BD28C57HFJ-LB for SiC MOSFETs.At the same time, these ICs are designated for long-term supply, thus ensuring continuous operation of long-life industrial equipment. Going forward, the lineup will be further expanded to include products suitable to drive high-vo","collect":0,"end_time":0,"defaultTopTitle":"yahoo.com","property":[],"viewcount":null,"language":"en","relate_stocks":{"ROHCY":"Rohm Co. Ltd.","PWM":"盛德财富","BK4141":"半导体产品","BK4135":"资产管理与托管银行","ROHCF":"Rohm Co. Ltd.","BK4234":"特殊用途房地产信托","BK4084":"特种房地产投资信托","PW":"Power REIT","SOP":"ProShares UltraShort Oil & Gas Exploration & Production"},"translate_title":"ROHM新型PWM控制器IC采用SOP封装，适用于各种工业应用中的电源","themeId":null,"isJumpTheme":false,"ttsUrl":null,"symbols_score_info":{"PW":1,"PWM":1,"SOP":1,"ROHCF":0.9,"ROHCY":0.9},"content_text":"Supports a wide range of power transistors from Si MOSFETs and IGBTs to SiC MOSFETs, with built-in high accuracy undervoltage prevention malfunction\n\nROHM's New External FET-type Controller ICs\n\n\n\n   Optimized for AC-DC power supplies in a variety of industrial applications\n  \n\n\n\nProduct Lineup - ROHM's New External FET-type Controller ICs\n\n\n\n   Four variants drive a wide range of power semiconductors: BD28C55FJ-LB for low-voltage MOSFETs; BD28C54FJ-LB for medium- to high-voltage MOSFETs; BD28C57LFJ-LB for IGBTs; and BD28C57HFJ-LB for SiC MOSFETs\n  \n\n\nSanta Clara, CA and Kyoto, Japan, Oct. 08, 2024 (GLOBE NEWSWIRE) -- ROHM Semiconductor today announced new external FET-type controller ICs utilizing PWM current control mode optimized for AC-DC power supplies in various industrial applications. Mass production has begun for four variants designed to drive a wide range of power semiconductors: the BD28C55FJ-LB for low-voltage MOSFETs; BD28C54FJ-LB for medium- to high-voltage MOSFETs; BD28C57LFJ-LB for IGBTs; and BD28C57HFJ-LB for SiC MOSFETs.\nAlthough the global semiconductor shortage is beginning to ease, the supply of semiconductor components for power supplies in industrial applications continues to lag behind demand. This is particularly true for PWM controller ICs, where the limited number of manufacturers has resulted in chronic shortages, leading to numerous requests for product development.\nIn response, ROHM has developed PWM controller ICs that address the ongoing supply issue by meeting the industrial market’s stringent package and performance requirements. Depending upon the input AC voltage range of the application, a wide variety of semiconductors are used for power supply circuits. Each of these semiconductors demand different undervoltage lockout (UVLO) levels to prevent thermal runaway in case of supply/gate voltage drop. To solve this issue, ROHM has developed four variants with different UVLO levels.\nThe new products feature an input voltage range of 6.9V to 28.0V, circuit current up to 2.0mA, maximum startup current of 75µA, and a maximum duty cycle of 50%, offered in the standard SOP-J8 package (equivalent to the JEDEC SOIC8). The products are pin-to-pin compatible to standard products commonly used in power supply circuits, thus reducing redesign and modification efforts. All variants are equipped with a self-recovery-type UVLO function with voltage hysteresis. This significantly improves application reliability by reducing the threshold voltage error to ±5%, compared to the typical ±10% of standard products.\nAt the same time, these ICs are designated for long-term supply, thus ensuring continuous operation of long-life industrial equipment. Going forward, the lineup will be further expanded to include products suitable to drive high-voltage MOSFETs and GaN devices. More variants to support a maximum duty cycle of 100% are also being planned.\nProduct LineupView the product lineup here: \n\nBD28C55FJ-LB for low-voltage MOSFETs\nBD28C54FJ-LB for medium- to high-voltage MOSFETs\nBD28C57LFJ-LB for IGBTs\nBD28C57HFJ-LB for SiC MOSFETs\n\nApplication Examples\n\nIndustrial equipment: AC-DC power supplies, motor drive inverters, and other AC-powered devices \n\nOnline Sales Information\n\nAvailability: Now\nOnline Distributors: DigiKey™ and Mouser™\nThe products will be offered at other online distributors as they become available.\nPart Numbers: BD28C54FJ-LB, BD28C55FJ-LB, BD28C57HFJ-LB, BD28C57LFJ-LB\n\nDigiKey™ and Mouser™ are trademarks or registered trademarks of their respective companies.\n Attachments \n\n ROHM's New External FET-type Controller ICs \n Product Lineup - ROHM's New External FET-type Controller ICs \n\nCONTACT: Keng Ly\nROHM Semiconductor\n(248) 348-9920\nkly@rohmsemiconductor.com\n\nHeather Savage\nBWW Communications\n(408) 507-4398\nheather.savage@bwwcomms.com","kind":"highlight","is_publish_news":true,"is_publish_highlight":false,"is_publish_live":false,"is_publish_wemedia":null,"editions":null,"column":"","sentiment":"0","news_tag":"","news_rank":0,"symbols":[],"gpt_button":1},"commentList":[],"isCommentEnd":true,"newsSizeData":{"likeSize":0,"commentSize":0,"repostSize":0,"favoriteSize":0,"likeStatus":false,"favoriteStatus":false},"APP":{"userAgent":"Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)","isDev":false,"isTTM":true,"deviceId":"web-server-community-laohu8-v3","version":"4.29.3","shortVersion":"4.29.3","platform":"web","vendor":"web","appName":"ttm","isIOS":false,"isAndroid":false,"isTiger":false,"isTHS":false,"isWeiXin":false,"isWeiXinMini":false,"isWeiBo":false,"isQQ":false,"isBaiduSwan":false,"isBaiduBox":false,"isDingTalk":false,"isToutiao":false,"isOnePlus":false,"isHuaWei":false,"isXiaomi":false,"isXiaomiWebView":false,"isOppo":false,"isVivo":false,"isSamsung":false,"isMobile":false},"href":"/m/news/2474813492"}