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MAX16998

High-Voltage Watchdog Timers with Adjustable Timeout Delay

GeneralDescription TheMAX16997/MAX16998aremicroprocessor(μP)supervisorycircuitsforhigh-input-voltageandlow-quiescent-currentapplications.Thesedevicesdetectdownstreamcircuitfailuresandprovideswitchovertoredundantcircuitry.SeetheSelectorGuideforthedifferentversions

MaximMaxim Integrated Products

美信美信半導(dǎo)體

MAX16998

高壓看門狗定時器,可調(diào)節(jié)超時周期; ? 寬泛的輸入電壓范圍:5V至40V\n? 18μA靜態(tài)電流(+125°C,典型值)\n? 電容可調(diào)超時周期,用于看門狗和復(fù)位定時器\n? 看門狗定時器窗口選項(MAX16998B/D)\n? 監(jiān)測外部電壓(RESETIN用于MAX16998A/B/D,EN用于MAX16997A) \n? EN輸入電壓與汽車電池一致\n? TTL和CMOS兼容漏極開路輸出\n? 18V最大漏極開路復(fù)位輸出電壓\n? 28V最大漏極開路使能輸出電壓\n? 上電/斷電復(fù)位功能(MAX16998A/B/D)\n? 通過AECQ-100認(rèn)證\n? -40°C至+125°C工作溫度范圍\n? 小型(3mm x 3mm) μMAX封裝\n? WDI窄脈沖抑制能力;

MAX16997/MAX16998是應(yīng)用于高輸入電壓、低靜態(tài)電流系統(tǒng)的微控制器(μP)監(jiān)控電路。這些器件用于檢測下游電路的故障,以切換到冗余電路。有關(guān)該系列產(chǎn)品不同版本,請參考數(shù)據(jù)資料中的Selector Guide。\n\n MAX16997/MAX16998系列具有4路獨立輸入,可實現(xiàn)復(fù)位和看門狗功能。其中,SWT和SRT輸入通過外部電容獨立設(shè)置看門狗超時周期和復(fù)位定時器。RESETIN/EN監(jiān)控各自的輸入電壓。電阻分壓器用于設(shè)置復(fù)位門限。\n\n MAX16998A/B/D產(chǎn)生/RESET和/ENABLE兩路輸出信號。只要RESETIN跌落至門限電壓以下或在WDI端檢測到看門狗超時故障,將觸發(fā)/RESET輸出。觸發(fā)復(fù)位后,當(dāng)所有復(fù)位條件消除后,/RESET將在復(fù)位超時周期tRESET內(nèi)繼續(xù)保持低電平復(fù)位狀態(tài),然后變?yōu)楦唠娖?。根?jù)EN電壓和WDI信號,MAX16997A產(chǎn)生一個輸出信號(/ENABLE)。\n\n MAX16997A不具備/RESET輸出。如果EN電壓低于其門限值,看門狗被禁止。當(dāng)EN電壓高于預(yù)置門限時,MAX16997A看門狗定時器開始計時。每當(dāng)EN電壓高于預(yù)置門限電壓時,將初始化看門狗超時周期,是看門狗超時周期(tWP)標(biāo)稱值的8倍。\n\n MAX16997/MAX16998采用8引腳無鉛μMAX?封裝,工作在-40°C至+125°C汽車級溫度范圍。\n\n \n\n

ADIAnalog Devices

亞德諾亞德諾半導(dǎo)體技術(shù)有限公司

MAX16998AAUA+

High-Voltage Watchdog Timers with Adjustable Timeout Delay

GeneralDescription TheMAX16997/MAX16998aremicroprocessor(μP)supervisorycircuitsforhigh-input-voltageandlow-quiescent-currentapplications.Thesedevicesdetectdownstreamcircuitfailuresandprovideswitchovertoredundantcircuitry.SeetheSelectorGuideforthedifferentversions

MaximMaxim Integrated Products

美信美信半導(dǎo)體

MAX16998BAUA+

High-Voltage Watchdog Timers with Adjustable Timeout Delay

GeneralDescription TheMAX16997/MAX16998aremicroprocessor(μP)supervisorycircuitsforhigh-input-voltageandlow-quiescent-currentapplications.Thesedevicesdetectdownstreamcircuitfailuresandprovideswitchovertoredundantcircuitry.SeetheSelectorGuideforthedifferentversions

MaximMaxim Integrated Products

美信美信半導(dǎo)體

MAX16998DAUA+

High-Voltage Watchdog Timers with Adjustable Timeout Delay

GeneralDescription TheMAX16997/MAX16998aremicroprocessor(μP)supervisorycircuitsforhigh-input-voltageandlow-quiescent-currentapplications.Thesedevicesdetectdownstreamcircuitfailuresandprovideswitchovertoredundantcircuitry.SeetheSelectorGuideforthedifferentversions

MaximMaxim Integrated Products

美信美信半導(dǎo)體

MAX16998AAUA/V+T

Package:8-TSSOP,8-MSOP(0.118",3.00mm 寬);包裝:卷帶(TR) 類別:集成電路(IC) 監(jiān)控器 描述:IC SUPERVISOR 1 CHANNEL 8UMAX

ADAnalog Devices

亞德諾亞德諾半導(dǎo)體技術(shù)有限公司

MAX16998AAUA+

Package:8-TSSOP,8-MSOP(0.118",3.00mm 寬);包裝:卷帶(TR)剪切帶(CT)Digi-Reel? 得捷定制卷帶 類別:集成電路(IC) 監(jiān)控器 描述:IC SUPERVISOR 1 CHANNEL 8UMAX

ADAnalog Devices

亞德諾亞德諾半導(dǎo)體技術(shù)有限公司

MAX16998AAUA+T

Package:8-TSSOP,8-MSOP(0.118",3.00mm 寬);包裝:卷帶(TR)剪切帶(CT)Digi-Reel? 得捷定制卷帶 類別:集成電路(IC) 監(jiān)控器 描述:IC SUPERVISOR 1 CHANNEL 8UMAX

ADAnalog Devices

亞德諾亞德諾半導(dǎo)體技術(shù)有限公司

技術(shù)參數(shù)

  • Watchdog Timeout:

    Adjustable

  • Watchdog Startup Delay (min):

    <60s

  • Watchdog Output:

    Open-Drain

  • ICC (max)(μA):

    60

  • RoHS Available:

    Yes

  • Industry Qualified:

    Automotive - AECQ100

  • Package/ Pins:

    UMAX/8

  • Smallest Available Pckg. (max w/pins)(mm2):

    15.6

  • Oper. Temp.(°C):

    -40 to +125

  • Budgetary Price (See Notes):

    $1.17 @1k

供應(yīng)商型號品牌批號封裝庫存備注價格
MAXIM
23+
NA
25060
只做進(jìn)口原裝,終端工廠免費送樣
詢價
MAXIM
13+
uMAX
3738
原裝分銷
詢價
MAXIM
25+23+
MSOP8
42967
絕對原裝正品全新進(jìn)口深圳現(xiàn)貨
詢價
MAXIM
21+
MSOP8
12588
原裝現(xiàn)貨價格優(yōu)勢
詢價
MAXIM/美信
1922+
MSOP8
6852
只做原裝正品現(xiàn)貨!或訂貨假一賠十!
詢價
MaximIntegrated
24+
8-uMAX
66800
原廠授權(quán)一級代理,專注汽車、醫(yī)療、工業(yè)、新能源!
詢價
MAXIM/美信
20+
MSOP8
2800
絕對全新原裝現(xiàn)貨,歡迎來電查詢
詢價
MAXIM
16+15+
MSOP8
9043
全新原裝現(xiàn)貨
詢價
MAXIM
20+
MSOP8
11520
特價全新原裝公司現(xiàn)貨
詢價
MAXIM/美信
23+
MSOP8
12500
全新原裝現(xiàn)貨,假一賠十
詢價
更多MAX16998供應(yīng)商 更新時間2025-7-29 13:52:00