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參數(shù)資料
| 型號(hào)： | MIC2593-2YTQ TR |
| 廠商： | Micrel Inc |
| 文件頁(yè)數(shù)： | 1/26頁(yè) |
| 文件大小： | 220K |
| 描述： | IC PCI HOT PLUG CTLR DUAL 48TQFP |
| 標(biāo)準(zhǔn)包裝： | 2,000 |
| 類型： | 熱交換控制器 |
| 應(yīng)用： | PCI，PCI-X |
| 內(nèi)部開(kāi)關(guān)： | 無(wú) |
| 電源電壓： | 3.3V，5V，±12V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 48-TQFP |
| 供應(yīng)商設(shè)備封裝： | 48-TQFP（7x7） |
| 包裝： | 帶卷 (TR) |
| 其它名稱： | MIC2593-2YTQTR MIC2593-2YTQTR-ND |
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MIC2593
Dual-Slot PCI Hot Plug Controller
LITTLE FOOT is a registered trademark of Siliconix Incorporated.
Micrel Inc. " 2180 Fortune Drive " San Jose, CA 95131 " USA " tel +1 (408) 944-0800 " fax + 1 (408) 474-1000 " http://www.micrel.com
September 2008
M9999-092208
General Description
The MIC2593 is a power controller supporting power
distribution requirements for Peripheral Component
Interconnect hot plug systems compliant to PCI v2.3 and
PCI-X 1.0b. TheMIC2593 provides complete power control
support for two PCI slots, including the 3.3V
AUX
defined by
the PCI v2.3 specification. Support for +5V, +3.3V, +12V,
and 12V supplies is provided and includes programmable
current limit, voltage supervision, fault reporting, and circuit
breaker functions which provide fault isolation. The
MIC2593 also incorporates an SMBus interface that
provides complete status and control of power within each
slot.
Data sheets and support documentation can be found on
Micrels web site at: www.micrel.com.
Features
" Supports two completely independent PCI slots:
Compliant to PCI v2.3 and PCI-X 1.0b power
control requirements
Provides all major power control functions for two
independent PCI-X 2.0 slots
" Five voltage supplies supported: +12V, -12V,
+5V,+3.3V, and +3.3V
AUX
Integrated gate driver circuits, current sense, and
power MOSFETs for 3.3V
AUX
, +12V, and 12V
High-side +5V and +3.3V gate driver circuits for
external N-Channel MOSFETs
" Overcurrent protection with adjustable timeout
eliminates false tripping of circuit breakers
" Dual-level, dual-speed overcurrent detection circuitry
for quick fault response without nuisance tripping
" Slot power control with Power-is-Good and Fault
status reporting
Via software over an SMBus interface or
Via dedicated hardware input/output lines: Hot
Plug Interface (HPI)
" Complete thermal isolation between circuitry for Slot A
and Slot B
" One General Purpose Input (GPI) pin per slot for
mechanical switch or plug-in card retention/removal
input
Applications
" PCI hot plug power distribution
Ideal Applications:
" Mid- and High-end Server Applications compliant to PCI
v2.3, PCI-X 1.0b, and PCI-X 2.0
___________________________________________________________________________________________________________
Ordering Information
Part Number
5V & 3V Fast-trip
Threshold
+12V & 12V Fast-trip
Threshold
Operating
Temp. Range
Package
Lead Finish
MIC2593-2BTQ
100mV
1.5A/0.4A
0?to +70癈
48-Pin TQFP
Standard
MIC2593-2YTQ
100mV
1.5A/0.4A
0?to +70癈
48-Pin TQFP
Pb-Free
Note:
Contact factory for availability of the MIC2593-5YTQ option that disables the 100mV fast-trip threshold.
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