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MAX6978

8-Port, 5.5V Constant-Current LED Driver with LED Fault Detection and Watchdog

GeneralDescription TheMAX6978serial-interfacedLEDdriverprovideseightopen-drain,constant-currentsinkingLEDdriveroutputsratedat5.5V.TheMAX6978operatesfroma3Vto5.5Vsupply.TheMAX6978supplyandtheLEDs’supplycanpowerupinanyorder.Theconstant-currentoutputsarepro

MaximMaxim Integrated Products

美信美信半導(dǎo)體

MAX6978

16-Port, 36V Constant-Current LED Driver

GeneralDescription TheMAX6971serial-interfacedLEDdriverprovides16open-drain,constant-current-sinkingLEDdriveroutputsratedat36V.TheMAX6971operatesfroma3Vto5.5Vsupply.TheMAX6971supplyandtheLEDs’supplyorsuppliescanpowerupinanyorder.Theconstant-currentoutputs

MaximMaxim Integrated Products

美信美信半導(dǎo)體

MAX6978

8端口、5.5V恒流LED驅(qū)動(dòng)器,帶有LED故障檢測(cè)和看門狗; ? 25Mb工業(yè)標(biāo)準(zhǔn)、4線、5V串行接口\n? 3V至5.5V邏輯電源\n? 8個(gè)恒流,額定5.5V LED輸出\n? 每輸出最大55mA連續(xù)電流\n? 通過(guò)一個(gè)電阻設(shè)置輸出電流\n? 各輸出間3%的電流匹配\n? 各IC間6%的電流匹配\n? 如果接口失效,看門狗關(guān)閉輸出\n? 報(bào)告LED開(kāi)路故障\n? -40°C至+125°C溫度范圍;

MAX6978串行接口LED驅(qū)動(dòng)器提供8個(gè)開(kāi)漏、恒流吸收、額定5.5V LED驅(qū)動(dòng)器輸出。MAX6978采用3V至5.5V電源供電。MAX6978和LED電源能以任意順序上電。所有恒流輸出均由一個(gè)外部電阻設(shè)置,每路最大55mA。MAX6978采用25Mb,工業(yè)標(biāo)準(zhǔn)4線串口進(jìn)行控制。\n\n MAX6978含LED開(kāi)路自動(dòng)檢測(cè)電路。故障狀態(tài)在LE置高時(shí)裝入串口移位寄存器,在下一個(gè)數(shù)據(jù)移入時(shí),由DOUT移出。\n\n MAX6978的失效保護(hù)功能適用于安全應(yīng)用,如果串口失效,它將關(guān)閉輸出。如果串口停止工作超過(guò)1s,輸出鎖存器自動(dòng)清除。將所有連在輸出上的LED關(guān)斷。移位寄存器數(shù)據(jù)不受影響。輸出鎖存器在數(shù)據(jù)更新前,保持輸出關(guān)斷。如果只是暫時(shí)傳輸中斷,可自動(dòng)恢復(fù)。使用MAX6978的看門狗功能無(wú)需對(duì)軟件做任何修改。\n\n MAX6978采用工業(yè)標(biāo)準(zhǔn)的移位寄存器加鎖存器形式的串口。數(shù)據(jù)通過(guò)數(shù)據(jù)輸入DIN和時(shí)鐘輸入CLK移入驅(qū)動(dòng)器的8位移位寄存器。8個(gè)時(shí)鐘周期后,輸入數(shù)據(jù)出現(xiàn)在輸出DOUT上,此工作模式可實(shí)現(xiàn)多個(gè)MAX6978級(jí)聯(lián)。鎖存使能輸入LE將移位寄存器的8位數(shù)據(jù)裝入8位輸出鎖存器,以決定LED的開(kāi)關(guān)。輸出使能輸入/OE控制所有8個(gè)輸出的開(kāi)關(guān),其快速響應(yīng)特性適合作為控制LED亮度的PWM輸入。\n\n MAX6978系列移位寄存器加鎖存器形式的LED驅(qū)動(dòng)器共有12個(gè)型號(hào)。該系列包括8端口和16端口兩種類型,具有5.5V或36V 額定LED輸出,部分型號(hào)具有LED開(kāi)路檢測(cè)和看門狗功能。所有型號(hào)均由3V至5.5V電源供電,工作在-40°C至+125°C的溫度范圍。\n\n \n\n

ADIAnalog Devices

亞德諾亞德諾半導(dǎo)體技術(shù)有限公司

MAX6978AEE

8-Port, 5.5V Constant-Current LED Driver with LED Fault Detection and Watchdog

GeneralDescription TheMAX6978serial-interfacedLEDdriverprovideseightopen-drain,constant-currentsinkingLEDdriveroutputsratedat5.5V.TheMAX6978operatesfroma3Vto5.5Vsupply.TheMAX6978supplyandtheLEDs’supplycanpowerupinanyorder.Theconstant-currentoutputsarepro

MaximMaxim Integrated Products

美信美信半導(dǎo)體

MAX6978APE

8-Port, 5.5V Constant-Current LED Driver with LED Fault Detection and Watchdog

GeneralDescription TheMAX6978serial-interfacedLEDdriverprovideseightopen-drain,constant-currentsinkingLEDdriveroutputsratedat5.5V.TheMAX6978operatesfroma3Vto5.5Vsupply.TheMAX6978supplyandtheLEDs’supplycanpowerupinanyorder.Theconstant-currentoutputsarepro

MaximMaxim Integrated Products

美信美信半導(dǎo)體

MAX6978AUE

8-Port, 5.5V Constant-Current LED Driver with LED Fault Detection and Watchdog

GeneralDescription TheMAX6978serial-interfacedLEDdriverprovideseightopen-drain,constant-currentsinkingLEDdriveroutputsratedat5.5V.TheMAX6978operatesfroma3Vto5.5Vsupply.TheMAX6978supplyandtheLEDs’supplycanpowerupinanyorder.Theconstant-currentoutputsarepro

MaximMaxim Integrated Products

美信美信半導(dǎo)體

MAX6978APE+

Package:16-DIP(0.300",7.62mm);包裝:卷帶(TR) 類別:集成電路(IC) LED 驅(qū)動(dòng)器 描述:IC LED DRIVER LINEAR 55MA 16DIP

ADAnalog Devices

亞德諾亞德諾半導(dǎo)體技術(shù)有限公司

MAX6978AUE+

Package:16-TSSOP(0.173",4.40mm 寬)裸露焊盤;包裝:卷帶(TR)剪切帶(CT)Digi-Reel? 得捷定制卷帶 類別:集成電路(IC) LED 驅(qū)動(dòng)器 描述:IC LED DRVR LINEAR 55MA 16TSSOP

ADAnalog Devices

亞德諾亞德諾半導(dǎo)體技術(shù)有限公司

MAX6978AUE+T

Package:16-TSSOP(0.173",4.40mm 寬)裸露焊盤;包裝:卷帶(TR) 類別:集成電路(IC) LED 驅(qū)動(dòng)器 描述:IC LED DRVR LINEAR 55MA 16TSSOP

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)

  • Display Type:

    Common Anode

  • Interface:

    Serial 4-Wire 25Mbit

  • Digits or Char.:

    8-Segment

  • Output Format:

    Any digit type

  • Segment Blinking:

    No

  • Slew Rate Control:

    No

  • Features:

    LED Fault Detection

  • VSUPPLY (min)(V):

    3

  • VSUPPLY (max)(V):

    5.5

  • RoHS Available:

    Yes

  • Oper. Temp.(°C):

    -40 to +125

  • Package/ Pins:

    PDIP/16

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

    33.2

  • Budgetary Price (See Notes):

    $2.70 @1k

供應(yīng)商型號(hào)品牌批號(hào)封裝庫(kù)存備注價(jià)格
MAXIM
23+
NA
25060
只做進(jìn)口原裝,終端工廠免費(fèi)送樣
詢價(jià)
MAXIM
13+
TSSOP
3738
原裝分銷
詢價(jià)
MaximIntegrated
24+
16-TSSOP-EP
66800
原廠授權(quán)一級(jí)代理,專注汽車、醫(yī)療、工業(yè)、新能源!
詢價(jià)
Maxim
20+
na
65790
原裝優(yōu)勢(shì)主營(yíng)型號(hào)-可開(kāi)原型號(hào)增稅票
詢價(jià)
Maxim Integrated
24+
16-DIP(0.300
39500
詢價(jià)
Maxim
1931+
N/A
567
加我qq或微信,了解更多詳細(xì)信息,體驗(yàn)一站式購(gòu)物
詢價(jià)
MAXIM
20+
SSOP-16
2500
就找我吧!--邀您體驗(yàn)愉快問(wèn)購(gòu)元件!
詢價(jià)
Maxim
25+
25000
原廠原包 深圳現(xiàn)貨 主打品牌 假一賠百 可開(kāi)票!
詢價(jià)
MAXIM/美信
23+
TSSOP-16
6900
全新原裝正品現(xiàn)貨,支持訂貨
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MAXIM/美信
24+
TSSOP-16
30000
原裝正品公司現(xiàn)貨,假一賠十!
詢價(jià)
更多MAX6978供應(yīng)商 更新時(shí)間2025-7-28 9:07:00