Not Recommended for New Designs Quiet-Power QPI-11 7 A VI Chip EMI Filter SiP Product Description Features >60 dB CM attenuation at 1 MHz (50 ) The QPI-11 EMI lter is specically designed to attenuate conducted common-mode (CM) and dierential-mode (DM) >70 dB DM attenuation at 1 MHz (50 ) noise of Vicors VI Chip PRM/VTM factorized power products 50 Vdc (max input) to comply with the CISPR22 standard requirements for 100 Vdc surge 100 ms conducted noise measurements. The lter is designed to 750 Vdc hipot hold off to shield plane operate up to 50 Vdc, 100 Vdc surge, and supports 7 A loads ) without de-rating. up to 85C (T A 7 A rating Designed for the industrial bus range, the VI Chip EMI lter 12.9 x 25.3 x 5.0 mm, lidded SiP (System-in-Package) supports the PICMG 3.0 specication for ltering system 12.4 x 24.9 x 4.2 mm, open-frame boards to the EN55022 Class B limits. Low profile LGA package -40 to +125C PCB temperature (see Figure 6) Efficiency >99% TV Certified Applications VI Chip input EMI filter 2 Figure 1 QPI-11LZ (~1/2 in area) Typical Applications BUS+ CIN L BUS+ QPI+ IN+ OUT+ IN+ OUT+ LOAD CB1 + + Optional Chassis VTM PRM Connection BUS- QPI- IN- OUT- IN- OUT- Shield BUS- CY1 CY2 CY3 CY4 Chassis/Shield Shield Plane a Figure 2 Typical QPI-11 application schematic with Vicors PRM and VTM modules in a baseplate configuration. CY1 CY2 BUS+ L BUS+ QPI+ IN+ OUT+ IN+ OUT+ LOAD CIN CB1 + + Optional Chassis VTM PRM Connection BUS- QPI- IN- OUT- IN- OUT- Shield BUS- CY3 Chassis/Shield a Figure 3 Typical QPI-11 application schematic with Vicors PRM and VTM modules in an open-frame configuration. a CB1 capacitor, referenced in all schematics, is a 47 uF electrolytic United Chemi-Con EMVE101ARA470MKE0S or equivalent. CY1 to CY4, referenced in all schematics, are 4.7 nF hi-voltage safety capacitors Vishay VY1472M63Y5UQ63V0 or equivalent. Quiet-Power Rev 1.9 vicorpower.com 800 927.9474 Page 1 of 12 7/2014QPI-11 Not Recommended for New Designs Order Information Part Number Description b QPI-11LZ QPI-11 LGA package, RoHS compliant QPI-11LZ-01 QPI-11 LGA package, RoHS compliant, open-frame package Evaluation Board Also Available QPI-11-CB1 A QPI-11LZ mounted on a carrier board that can hold either a stand-alone BCM or a paired PRM/VTM eval board available from Vicor. Absolute Maximum Ratings Exceeding these parameters may result in permanent damage to the product. Name R ating Input voltage, BUS+ to BUS-, continuous -50 to 50 Vdc Input voltage, BUS+ to BUS-, 100 ms transient -100 to 100 Vdc BUS+/ BUS- to Shield pads, hipot -750 to 750 Vdc Input to output current, continuous 25C (T ) 7 Adc A c Power dissipation, 85C (T ), 7 A 1.85 W A Operating temperature - T -40 to 125 C A c Thermal resistance - R , using PCB layout in Figure 20 30C/W J-A c Thermal resistance - R 18C/W J-PCB Storage temperature, JEDEC Standard J-STD-033B -55 to 125C Reflow temperature, 20 s exposure 245C ESD, Human Body Model (HBM) -2000 to 2000 V Electrical Characteristics Parameter limits apply over the operating temp. range, unless otherwise noted. Parameter Conditions Min Typ Max Unit c BUS+ to BUS- input range Measured at 7 A, 85C ambient temperature 50 Vdc c BUS+ to QPI+ voltage drop Measured at 7 A, 85C ambient temperature 130 mVdc c BUS- to QPI- voltage drop Measured at 7 A, 85C ambient temperature 130 mVdc Common-mode attenuation V = 24 V, frequency = 1.0 MHz, line impedance = 50 60 dB BUS Differential-mode attenuation V = 24 V, frequency = 1.0 MHz, line impedance = 50 70 dB BUS Input bias current at 50 V Input current from BUS+ to BUS- 10 uA b QPI-11LZ is a non-hermetically sealed package. Please read the Post Solder Cleaning section on Page 11. c See Figure 6 for the current de-rating curve. Quiet-Power Rev 1.9 vicorpower.com 800 927.9474 Page 2 of 12 7/2014
