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參數(shù)資料
| 型號： | L9822E |
| 廠商： | 意法半導體 |
| 英文描述： | Octal Serial Solenoid Driver(八串行螺線管驅動器) |
| 中文描述： | 八路系列電磁驅動器（八串行螺線管驅動器） |
| 文件頁數(shù)： | 6/11頁 |
| 文件大?。?/td> | 112K |
| 代理商： | L9822E |
device shift register(into the SI pin andout the SO
pin),allowingthe otherSPI devicesto becascaded
in a daisychainwith the L9822ESP.
CELow to High Transition
Once the last data bit has been shifted into the
L9822ESP,the CEpin shouldbe pulledhigh.
Attherising edgeof CEthe shiftregisterdataislat-
chedintotheparallellatchandtheoutputstageswill
beactuatedbythe newdata.Aninternal160
μ
s de-
laytimer will also be startedat thisrisingedge (see
t
UD
). During the 160
μ
s period, the outputs will be
protectedonlybytheanalogcurrentlimiting circuits
since the resetting of the parallel latches by faults
conditionswillbeinhibitedduringthisperiod.Thisal-
lowsthe part to overcomeany high inrushcurrents
that may flow immediately after turn on. Once the
delay period has elapsed, the output voltages are
sensedbythecomparatorsandanyoutputwithvol-
tageshigherthan1.8VarelatchedOFF.Itshouldbe
notedthatthe SCLK pinshouldbe lowatbothtran-
sitions of the CE pin to avoid any false clocking of
theshiftregister.TheSCLKinputisgatedbytheCE
pin, so that the SCLK pin is ignored whenever the
CE pinis high.
FAULTCONDITIONSCHECK
Checkingforfaultconditionsmaybedoneinthefol-
lowing way. Clock in a new control byte. Wait 160
microseconds or so to allow the outputs to settle.
Clockinthesamecontrolbyteandobservethediag-
nostic datathat comes out of thedevice.The diag-
nostic bits should be identical to the bits that were
firstclockedin.Anydifferenceswouldpointtoa fault
on thatoutput.If theoutputwasprogrammedONby
clockingina zero,anda one camebackas thedia-
gnosticbitforthatoutput,theoutputpinwasstillhigh
anda shortcircuit oroverloadconditionexists.Ifthe
outputwasprogrammedOFF byclocking in a one,
and a zerocameback as the diagnosticbit for that
output,nothinghadpulledtheoutputpinhighandit
Figure 1
: Byte Timing with AsynchronousReset.
L9822E
6/11
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| L9822ED | CAP CER 1000PF 1KVDC B RAD |
| L9822EPD | OCTAL SERIAL SOLENOID DRIVER |
| L9822N | OCTAL SERIAL SOLENOID DRIVER |
| L9823 | Octal Low-Side Driver for bulb, resistive and inductive loads with serial input control, output protection and diagnostic |
| L9825 | Octal Low-side Driver For Resistive and Inductive Loads With Serial / Parallel Input Control, Output Protection and Diagnostic |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| L9822E_02 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:OCTAL SERIAL SOLENOID DRIVER |
| L9822ED | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:OCTAL SERIAL SOLENOID DRIVER |
| L9822EPD | 功能描述:功率驅動器IC Octal Ser Solenoid RoHS:否 制造商:Micrel 產品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| L9822EPD013TR | 功能描述:功率驅動器IC Octal Ser Solenoid RoHS:否 制造商:Micrel 產品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| L9822ES | 制造商:STMicroelectronics 功能描述: |
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