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Analog Devices / Maxim Integrated MAX25239汽車用降壓-升壓轉(zhuǎn)換器數(shù)據(jù)手冊

科技觀察員 ? 2025-06-20 14:44 ? 次閱讀
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Analog Devices MAX25239汽車降壓-升壓轉(zhuǎn)換器具有集成半橋開關(guān)和固定輸出調(diào)節(jié)電壓。該轉(zhuǎn)換器 還具有3V至20V范圍內(nèi)的外部可調(diào)輸出電壓。該IC具有高于、低于或等于輸出穩(wěn)壓的輸入電壓。Analog Devices器件具有8.2A和10A典型輸入電流限制選項,可支持高達6A連續(xù)負載電流,具體取決于輸入-輸出電壓比和工作頻率。該轉(zhuǎn)換器還具有2V至36V寬輸入電壓范圍。

數(shù)據(jù)手冊:*附件:Analog Devices , Maxim Integrated MAX25239汽車用降壓-升壓轉(zhuǎn)換器數(shù)據(jù)手冊.pdf

特性

  • 滿足嚴格的汽車質(zhì)量和可靠性要求
    • 工作輸入電壓范圍為2V至36V,可在冷啟動條件下工作
    • 可承受42V輸入瞬變
    • EN引腳兼容高達42V
    • 典型輸入電流限制:8.2A/10A
    • 固定和可調(diào)節(jié)輸出電壓選擇
    • 汽車溫度范圍:-40°C至+125°C(1級)
  • 符合AEC-Q100標準的高集成度和散熱增強型封裝,可降低BOM成本并節(jié)省電路板空間
    • 集成FET半橋架構(gòu)
    • 2.1MHz/400kHz/200kHz開關(guān)頻率
    • 鎖相環(huán) (PLL) 頻率同步
    • 散熱增強型22引腳FC2QFN封裝
  • 低靜態(tài)電流可滿足嚴格的OEM電流要求
    • 待機模式下,靜態(tài)電流為95μA
    • 關(guān)斷電流:10μA(最大值)
  • 降低了開關(guān)頻率下的EMI輻射
    • 通過 SPS引腳啟用/禁用擴頻功能
  • 保護特性提高系統(tǒng)可靠性
    • 電源欠壓閉鎖和熱關(guān)斷保護
    • 輸出PGOOD 指示器、過壓和短路保護

應用

  • ADAS ECU
  • 信息娛樂系統(tǒng)
  • 車身電子產(chǎn)品
  • 起停系統(tǒng)
  • 負載點電源

框圖

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