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QPI-12-CB1
QUIETPOWER™
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QPI-12LZ Filter Carrier Board for 48 V V I Chip EMI Evaluation
Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 1
Board overview . . . . . . . . . . . . . . . . . . . . . . . . Page 2
Bill of materials . . . . . . . . . . . . . . . . . . . . . . . . Page 2
Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 2
Board assembly . . . . . . . . . . . . . . . . . . . . . . . . Page 3
V•I Chip mounting configurations . . . . . . . . . Page 3
EMI bypass configurations. . . . . . . . . . . . . . . . Page 4
EMI performance and test set up . . . . . . . . . . Page 4
Typical EMI performance. . . . . . . . . . . . . . . . . Page 5
Mechanical drawings. . . . . . . . . . . . . . . . . . . . Page 6
Ordering information . . . . . . . . . . . . . . . . . . . Page 6
Additional resources . . . . . . . . . . . . . . . . . . . . Page 6
QPI-12-CB1 carrier board featuring
the QPI-12LZ EMI filter
Introduction
QPI-12LZ Product Description
The QPI-12-CB1 carrier board is an evaluation
The QPI-12LZ EMI filter is specifically designed to attenuate
board platform designed to demonstrate the EMI
capabilities of a QPI-12LZ filter, with any combination
of 48V input PRM / VTM or BCM evaluation boards.
The QPI-12-CB1 board includes a pre-mounted filter
along with some additional components necessary to
demonstrate the full functionality of the filter, along
conducted common-mode (CM) and differential-mode
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(DM) noise of Vicor’s V I Chip products to comply with the
CISPR22 standard requirements for conducted noise
measurements. The filter is designed to operate up to 80
Vdc continuous, with a 100 Vdc surge for 100 ms, and
supports 7 A loads up to 60°C without derating.
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with mounting areas for V I Chip evaluation boards.
Designed for the telecom bus range, the V•I Chip EMI Filter
supports the PICMG® 3.0 specification for filtering system
boards to the EN55022 Class B limits.
This User’s Guide provides basic instructions for
assembly and use of the board. Further information on
the functionality of the V I Chip boards, as well as the
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QPI-12LZ can be found in the V I Chip Evaluation Board
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User’s Guide as well as the V I Chip and QPI-12LZ
data sheets.
Picor Corporation • www.picorpower.com
QPI-12-CB1 Data Sheet Rev. 1.0 Page 1 of 6