IXHQ100 Datasheet, PDF (1/9 Pages) IXYS Corporation – Negative Voltage Hot Swap Controller with Active Power Filter

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Negative Voltage Hot Swap Controller
with Active Power Filter
Features
• Live Insertion and Removal Power Manager
• Adjustable Power-on slew rate
• Autodetect of Load Open Circuit or -VIN
Disconnection
• Controlled Time-Delay
• Operates from –9 V to External MOSFET Voltage
Limit
• Fault Indication Output (microprocessor reset).
• Board Insertion/Removal Detector Input
• Protection During Turn-On
• Low frequency Power Active Filter
• Adjustable Electronic Circuit Breaker
• V_in undervoltage with GSNSin input
Applications
• Arcless card insertion and removal
• Central Office Switching Hardware
• Circuit Boards From -48 V Distributed Power
Supplies
• Circuit Board Power Manager and Noise Filter
• Circuit Board Hot Swap Protector and Manager
• Electronic Circuit Breaker
• Wireless Local Loop Antennas
• Cable TV Antenna
Description
The IXHQ100 is a live insertion and removal hot swap
controller with a built-in power noise filter. It incorpo-
rates all the active circuitry necessary to protect circuit
boards during live insertion or removal (insertion or
removal when the system power is active). Additionally,
the IXHQ100 incorporates two unique features: power
active filter for powerline noise suppression and power
auto-disconnect detector which eliminates the need of
additional staggered pins.
The IXHQ100 shunt regulator ensures a wide operating
voltage range (with the external MOSFET breakdown
voltage as limit). The active power filter reduces power
source output impedance, producing "clean" load
power. The IXHQ100 allows continuous load current
rise adjustments, presettable maximum current limits,
and user selectable fault indication turn off times for
resetting µPs and other synchronous board level sys-
tems. For added flexibility, GSNSin pin is available to
implement either circuit board insertion/removal detec-
tion or ground detection.
US Patents Pending.
Typical Application with Auto-Disconnect Detector
CAUTION: These devices are
sensitvie to electrostatic discharge;
take caution when handling and
assembling this component.
Figure 1
IXYS reserves the right to change limits, test conditions and dimensions.
Copyright © IXYS CORPORATION 2000
www.ixys.com
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98716 (08/14/00)