Picor QuietPower® Active Input Filters (QPI)
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Picor QuietPower QPI active EMI input filters utilize a proprietary active filtering topology for superior performance, significantly reducing size, volume, and weight compared to competitors. The filters offer effective attenuation in the 150 kHz to 30 MHz range, optimized for EN55022 class B compliance, with new models and higher current versions in development. Additionally, Picor provides a platform for evaluating EMI performance with various DC-DC converters.
Picor QuietPower® Active Input Filters (QPI)
- 1. Picor QuietPower® QPI® Active EMI Input Filters 1
- 2. Picor QuietPower Picor QuietPower® Active Output Ripple Attenuator AC-DC ORing Isolated Input Active Output Active DC-DC Load EMI Filter Ripple Attenuator Converter 48V or 24V Active Battery ORing Active DC-DC ORing Picor QuietPower® Input Active EMI Filter Industry leading form factor density, superior attenuation Active performance, and high efficiency DC-DC ORing 2
- 3. Picor QuietPower: QPI Active EMI Input Filters › Proprietary active filtering topology for superior attenuation performance, high efficiency, and industry leading form factor › Provides conducted common-mode(CM) and differential-mode (DM) attenuation from 150 kHz to 30 MHz (CISPR22 range) › Optimized for applications that require EN55022 Class B limits › 24 V & 48 V input voltages › New QPI-21 to be released in Q4’2011 › QPI-21 adds higher freq attenuation to QPI-6 with options for external capacitance › Higher current (30 A, 40 A…) versions in development 3
- 4. Picor QuietPower: Space, Volume & Weight Savings › Picor filters are: – <50% the size – <20% the volume area – <17% the weight versus competitive modular solutions QPI-6, 14 A Filter: 1.0 x 1.0 x 0.2” Weight: 5 grams 4
- 5. Picor QuietPower: QPI Carrier for DC-DC Converters › An easy platform to check EMI performance with a broad range of industry-standard converters – available now through Picor marketing › A one-filter-fits-all approach › Picor can run customized EMI plots for customers with any DOSA-compatible DC-DC converter * Example using Synqor half brick 5