POWER MANAGEMENT Busek has been actively developing and delivering power management systems, including compact power processing units and spacecraft power management and distribution systems. POWER PROCESSING UNITS (PPUs)
Busek has designed, developed, and delivered PPUs for R&D, laboratory support, and flight programs.  SPACE PLASMA CHARACTERIZATION SOURCE (PAYLOAD, FALCONSAT-5) BPU-600 includes the following: MIL-STD-461 Compliant EMI Filter Digital control interface unit Main discharge converter Housekeeping electronics Magnetic field generator Valve converter Cathode supply
POWER MANAGEMENT AND DISTRIBUTION (PMAD) SUBSYSTEMS Busek has been developing a complete suite of power management and distribution electronics for small to mid-size spacecraft, including, but not limited to, the following: Battery charge regulation Custom DC / DC conversion Solar array management Bus Voltage regulation Digital / analog interface
DISTURBANCE REDUCTION SYSTEM (PAYLOAD, LISA PATHFINDER) Four PPUs, each dedicated to a separate thruster, provide required Voltages necessary to  operate each thruster.  Eight were delivered in all.  Four PPUs are commanded by a single  DRS DCIU.   Custom high and low voltage converters, isolated up to 10kV Signal conditioning for telemetry/command
MPACS (PAYLOAD, FALCONSAT-3) The MPACS high voltage charging and trigger electronics operate each 3-axis micro-  pulsed plasma thruster. These units include signal conditioning electronics, filtered into  the onboard Busek MPACS DCIU. 
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