LX1671 EVA KIT Microsemi Analog Mixed Signal Group, LX1671 EVA KIT Datasheet
LX1671 EVA KIT
Specifications of LX1671 EVA KIT
LXE1671 EVAL KIT
LXE1671 EVAL KIT
Related parts for LX1671 EVA KIT
LX1671 EVA KIT Summary of contents
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LX1671/LX1672 CLQ (MLPQ P M ULTIPLE PWM E VALUATION U G SERS LX1671CPW, LX1671CLQ, LX1672-03CLQ, LX1672-03CPW, LX1672-05CPW, and LX1672-06CLQ are protected by U.S. Patents: 6,285,571 & 6,292,378 Copyright © 2002 Revision 1.0, 2/24/2006 ) ACKAGE O L UTPUT OAD B ...
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LX1671 EVALUATION BOARD ABLE F ONTENTS Overview................................................................................................................................................3 LX1671 PWM Topology.........................................................................................................................3 LX1671 Features ...................................................................................................................................3 Evaluation Board Features ....................................................................................................................3 LoadSHARE (Bi-Phase) Operation........................................................................................................3 Configuration .........................................................................................................................................4 Initial Setup ............................................................................................................................................5 Single Phase / Bi-Phase ........................................................................................................................6 Required Test Equipment ......................................................................................................................6 Optional Test Equipment ...
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LX1671 EVALUATION BOARD O VERVIEW The LX1671 evaluation board is designed to allow the user to get a detailed understanding of the operation of the LX1671 or LX1672 and to allow evaluation of several configurations demonstrate the full capabilities of ...
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LX1671 EVALUATION BOARD LoadSHARE the input power drawn by phase 1 and 2 can be different to proportion the available power. Phase 3 and the LDO operate independently and their output voltages can be set as desired. Jumpers are installed ...
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LX1671 EVALUATION BOARD I S NITIAL ETUP Before applying any input power to the circuit board several choices must be made and the proper components must be chosen to allow operation with the desired characteristics. Note: The factory configuration is ...
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LX1671 EVALUATION BOARD LoadSHARE Methods There are four basic methods used for LoadSHARE that are described in the LX1671 Product Design Guide. Numerous components are related to the implementation of these various methods. LoadSHARE Filters The low pass filters used ...
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LX1671 EVALUATION BOARD and that each FET be checked for safe operating temperature after a few moments of operation at full load. When all outputs have been checked at full output current with resistive loads there are a number of ...
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LX1671 EVALUATION BOARD Inductor Current Lower FET Drain Voltage Lower FET Gate Figure 2 – Phase 2 FET Gates & Output Lower FET gate drive against its drain voltage and inductor current. Note that the inductor current ramps up when ...
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LX1671 EVALUATION BOARD Figure 5 – Start-Up Sequence Start-up sequence of phase 1 and 2 in Bi-Phase versus phase 3 and the LDO when the +5 input is switched on. Copyright © 2002 Rev 1.0, 2/24/2006 11861 Western Avenue, Garden ...
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LX1671 EVALUATION BOARD Note: Some component values have changed. Refer to BOM. Copyright © 2002 Rev 1.0, 2/24/2006 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, FAX: 714-893-2570 Figure 7 – ...
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LX1671 EVALUATION BOARD Line Part Description Item 1 Int. Ckt, Multi-Phase ...
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LX1671 EVALUATION BOARD Copyright © 2002 Rev 1.0, 2/24/2006 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, FAX: 714-893-2570 Microsemi Integrated Products USER GUIDE Page 12 ...
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LX1671 EVALUATION BOARD 1. Power Ground 2. Phase 1 VOUT 3. Phase 2 VOUT 4. Power Ground 5. Phase 2 Phase Node 6. Phase 3 Input 7. Phase 3 VOUT 8. Phase 3 Phase Node 9. Power Ground 10. Phase ...
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LX1671 EVALUATION BOARD Copyright © 2002 Rev 1.0, 2/24/2006 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, FAX: 714-893-2570 Figure 11 – Ground Plane ...
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LX1671 EVALUATION BOARD Copyright © 2002 Rev 1.0, 2/24/2006 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, FAX: 714-893-2570 Figure 13 - +12V Plane ...
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LX1671 EVALUATION BOARD Copyright © 2002 Rev 1.0, 2/24/2006 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, FAX: 714-893-2570 Figure 15 – Layer 6 ...