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PI2003-00-QEIG Datasheet(PDF) 1 Page - Vicor Corporation |
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PI2003-00-QEIG Datasheet(HTML) 1 Page - Vicor Corporation |
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1 / 16 page  PI2003 Cool-ORing TM Series Universal Active ORing Controller IC Description The PI2003 Cool-ORing TM solution is a universal high-speed Active ORing controller IC designed for use with N-channel MOSFETs and is optimized for - 48V redundant power system architectures. The PI2003 Cool-ORing controller enables an extremely low power loss solution with fast dynamic response to input power fault conditions, critical for high availability systems. The PI2003 controls single or parallel MOSFETs to address Active ORing applications protecting against power source failures. The PI2003 is optimized for -48V low-side Active ORing applications. An internal VC shunt regulator enables biasing of the controller directly from -48V(GND). The gate drive output turns the MOSFET on during normal steady state operation, while achieving high- speed turn-off during input power source fault conditions, that cause reverse current flow, with auto-reset once the fault clears. The MOSFET drain-to-source voltage is monitored to detect normal forward, excessive forward, light load and reverse current flow. The PI2003 provides an active low fault flag output to the system during excessive forward current, reverse current and light load. Features • Optimized for -48V ORing applications • Fast Dynamic Response to Power Source failures, with 160ns reverse current turn-off delay time • 4A gate discharge current • Accurate MOSFET drain-to-source voltage sensing to indicate system level fault conditions • Low quiescent current enables biasing directly from -48V(GND). • 100V for 100ms operation in low side applications • Active low fault flag output Applications • Low-side -48Vbus Active ORing • N+1 Redundant Power Systems • Servers & High End Computing • Telecom Systems • High current Active ORing Package Information The PI2003 is offered in the following packages: • 10 Lead 3mm x 3mm TDFN package • 8 Lead SOIC package Typical Applications: Figure 1: PI2003 Low-Side Active ORing Picor Corporation • picorpower.com PI2003 Rev 1.0 Page 1 of 16 |
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