參數(shù)資料
型號(hào)： MIC2341-2YTQ
廠商： Micrel Inc
文件頁(yè)數(shù)： 25/32頁(yè)
文件大小： 1277K
描述： IC HOT PLUG CTLR DUAL PCI 48TQFP
標(biāo)準(zhǔn)包裝： 250
類(lèi)型： 熱交換控制器
應(yīng)用： 通用型，PCI Express?
內(nèi)部開(kāi)關(guān)： 無(wú)
電源電壓： 3.3V，12V
工作溫度： 0°C ~ 70°C
安裝類(lèi)型： 表面貼裝
封裝/外殼： 48-TQFP
供應(yīng)商設(shè)備封裝： 48-TQFP（7x7）
包裝： 管件
產(chǎn)品目錄頁(yè)面： 1085 (CN2011-ZH PDF)
其它名稱(chēng)： 576-2995
Micrel, Inc.
MIC2341/2341R
 
 
October 2007 
25
M9999-102507-A
 (408) 944-0800
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
X
0
1     UV     X
X
X
X
X
X
X
X
X
0
1
X
0
1
X     UV     X
X
X
X
X
X
X
X
0
X
1
0
1
X
X     UV     X
X
X
X
X
X
X
0
X
X
X
X
X
X
X
1
X
0
1     UV     X
X
0
X
X
X
X
X
X
X
1
X
0
1
X     UV     X
0
X
X
X
X
X
X
X
X
1
0
1
X
X     UV     0
 
where 1 = Logic HIGH
0 = Logic LOW
X = Dont care
 
Table 1. SYSPWRGD Truth Table
 
 
 
 
 
 
Hardware Interface
Once the input power supply voltages are above their
respective UVLO thresholds, the MIC2341/MIC2341Rs
hardware interface can be enabled for power control by
asserting    the    control    input    pins    (/CRSW[A/B],
AUXEN[A/B], and ON[A/B]) appropriately for each slot.
The MIC2341/MIC2341Rs ON[A/B] and AUXEN[A/B]
signals are asserted active-HIGH, level-sensitive digital
inputs with internal pull-up
 45k& resistors to VSTBY[A]
to save pc board area and external component costs. As
such, external hot-plug controllers connecting to these
pins should configure their respective output drivers to
OPEN-DRAIN and configure their firmware to de-assert
these signals to turn OFF either the MAIN[A/B] outputs
or the VAUX[A/B] outputs. As these input control signals
are already asserted after POR, the corresponding
/CRSW[A/B] control signal should be used to enable the
slots gate drive circuits to initiate a power-up sequence.
For example, in order for the MIC2341/MIC2341R to
switch   on   the   VAUX   supply   for   either   slot,   the
AUXEN[A/B] control can be enabled during or after the
power-on-reset operation (typically, t
POR
  = 160祍. The
timing response diagram of Figure 9 illustrates the
hardware interface operation where an overcurrent fault
is detected by the MIC2341/MIC2341R controller after
initiating a power-up sequence. The MAIN (+12V &
+3.3V) and VAUX[A/B] supply rails, /FAULT, /PWRGD
and /INT output responses for both AUX and MAIN are
shown in the figure.
 
 
 
 
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MIC2341-2YTQ TR 功能描述:熱插拔功率分布 Dual -Slot PCI Express Hot-Plug Controller RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube
MIC2341R-2YTQ 功能描述:熱插拔功率分布 Dual -Slot PCI Express Hot-Plug Controller RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube
MIC2341R-2YTQ TR 功能描述:熱插拔功率分布 Dual -Slot PCI Express Hot-Plug Controller RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube
MIC2342-2YTQ 功能描述:熱插拔功率分布 Dual -Slot PCI Express Hot-Plug Controller RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube
MIC2342-2YTQ TR 功能描述:熱插拔功率分布 Dual -Slot PCI Express Hot-Plug Controller RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube
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