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MIC2585

Micrel Semiconductor
Part Number MIC2585
Manufacturer Micrel Semiconductor
Description Dual-Channel Hot Swap Controller/Sequencer
Published Nov 9, 2006
Detailed Description MIC2584/2585 Micrel MIC2584/MIC2585 Dual-Channel Hot Swap Controller/Sequencer General Description The MIC2584 and MIC...
Datasheet PDF File MIC2585 PDF File

MIC2585
MIC2585

Overview
MIC2584/2585 Micrel MIC2584/MIC2585 Dual-Channel Hot Swap Controller/Sequencer General Description The MIC2584 and MIC2585 are dual-channel positive voltage hot swap controllers designed to facilitate the safe insertion of boards into live system backplanes.
The MIC2584 and MIC2585 are available in 16-pin and 24-pin TSSOP packages, respectively.
Using a few external discrete components and by controlling the gate drives of external NChannel MOSFET devices, the MIC2584/85 provides inrush current limiting and output voltage slew rate control in harsh, critical power supply environments.
Additionally, the MIC2585 provides output turn-on sequencing and output tracking during turn-on and turn-off.
In combination, the devices’ many features provide a simplified, robust solution for many network applications to meet the power sequencing and protection requirements of multiple-voltage logic systems.
Features • 1.
0V to 13.
2V supply voltage operation • Surge voltage protection up to 20V • Current regulation limits inrush current regardless of load capacitance • Programmable inrush current limiting • Electronic circuit breaker • Dual-level overcurrent fault sensing eliminates false tripping • Fast response to short circuit conditions (< 1µs) • Two sequenced output mode selections (MIC2585 only) • ∆250mV supply tracking mode during turn-on/turn-off (MIC2585 only) • Overvoltage and undervoltage output monitoring (Overvoltage for MIC2585 only) • Undervoltage lockout protection • /FAULT status output • Power-On Reset and Power-Good status output (Power-Good for MIC2585 only) Applications • RAID systems • Network servers • Base stations • Network switches • Hot-board insertion Ordering Information Part Number Standard Pb-Free MIC2584-xBTS MIC2584-xYTS MIC2585-1xBTS MIC2585-2xBTS MIC2585-1xYTS MIC2585-2xYTS * Contact Micrel for availability.
Output Sequencing N/A OUT2 follows OUT1 OUT1 follows OUT2 Fast Circuit Breaker Threshold x = J, 100mV x = K, 150mV * x = L, 200m...


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