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SMH4044 Datasheet, PDF (1/20 Pages) Summit Microelectronics, Inc. – Compact PCI Hot-Swap Controller With IPMI Support
SUMMIT
MICROELECTRONICS, Inc.
Compact PCI Hot-Swap Controller
With IPMI Support
SMH4044
Preliminary
FEATURES
! IPMI Implementation
" IPMB Interface
" Software Controlled Power-Up/-Down
" Status Reporting: 5V, 3.3V, V1, V2, Healthy,
Signal Valid, Reset
" 2k-Bit E2PROM Memory
! Full Voltage Control for Hot Swap Applications
" Detect, Monitors and Controls up to 4 inde-
pendent supplies
! 14V High Side Driver Generation Allows use of
Low On Resistance N-Channel FETs
! Under-Voltage Lockout
! Electronic Circuit Breakers
" Programmable Over-current Levels
! Card Insertion Detection
! Card Voltage Sequencing
! Flexible Reset Control
" Low Voltage Resets
" Host Reset Filtering
" Soft Reset
! Adjustable Power On Slew Rate
SIMPLIFIED APPLICATION DRAWING
CompactPCI
Backplane
12V
5V
IPMB_SDA
IPMB_SCL
GAO
GA1
GA2
42
26 SDA
VCC
27 SCL
7 A0
11 A1
12 A2
20 SGNL_VLD#
16 BD_SEL1#
15 BD_SEL2#
44
CBI_5
41
VGATE5
40
CARD_5V_MON
DRVREN# 45
MONITOR 2 30
SMH4044
6 MONITOR1
18 GND
HST_
19 HEALTHY# 3V_MON
35
LOCAL_PCI_RST 29
CBI_3 VGATE3 CARD_3V_MON
36
34
33
5V
4.7kΩ
1N4148
330kΩ
0.33µF
10Ω
0.1µF
12V
3.3V
3.3V
2057 SAD-A
Simplified Application Drawing — Triple Voltage Hot Swap (12V, 5V, 3.3V)
©SUMMIT MICROELECTRONICS, Inc., 2001 • 300 Orchard City Dr., Suite 131 • Campbell, CA 95008 • Phone 408-378-6461 • FAX 408-378-6586 • www.summitmicro.com
Characteristics subject to change without notice
2057 1.x 8/16/01
1