SMH4044

SUMMIT MICROELECTRONICS, Inc. Compact PCI Hot-Swap Controller www.DataSheet4U.com With IPMI Support 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 independent supplies ! 14V High Side Driver Generation Allows use of Low On Resistance N-Channel FETs ! Under-Voltage Lockout SMH4044 Preliminary ! 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 4.7kΩ 0.33µF 10Ω 330kΩ DRVREN# 45 0.1µF 5V 1N4148 42 IPMB_SDA IPMB_SCL GAO GA1 GA2 26 27 7 11 12 20 16 15 6 18 19 SDA SCL A0 VCC 44 CBI_5 41 VGATE5 40 CARD_5V_MON 12V A1 A2 SGNL_VLD# BD_SEL1# BD_SEL2# MONITOR1 LOCAL_PCI_RST CBI_3 36 VGATE3 34 CARD_3V_MON 33 29 MONITOR 2 30 SMH4044 GND HST_ HEALTHY# 3V_MON 35 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 SMH4044 www.DataSheet4U.com Preliminary The internal 256 × 8...