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EVB-EN5329QI

P1-P3P4-P6
Enpirion
®
Power Evaluation Board User Guide
EN5329QI PowerSoC
Test Recommendations
To guarantee measurement accuracy, the following precautions should be observed:
Make all input and output voltage measurements at the board using the test
points provided (TP5 to TP8). This will eliminate voltage drop across the line and
load cables that can produce false readings.
Measure input and output current with series ammeters or accurate shunt
resistors. This is especially important when measuring efficiency.
Use a low-loop-inductance scope probe tip similar to the one shown in Figure 2
to measure switching signals and input / output ripple to avoid noise coupling into
the probe ground lead. Input ripple, output ripple, and load transient deviation are
best measured near the respective input / output capacitors. For more accurate
ripple measurement, please see Enpirion App Note regarding this subject
(www.altera.com/enpirion
).
Figure 2. Recommended probe configuration.
If you need to measure radiated EMI, place a 10uF/0805, X7R capacitor at the
input and output edges of the PCB (C13 and C14 positions), and connect the
PVIN power and the load to the board at or near these capacitors. The added
capacitor at the input edge is for high-frequency decoupling of the input cables.
The one added at the output edge is meant to represent a typical load decoupling
capacitor.
Page 4 of 6
www.altera.com/enpirion
Enpirion
®
Power Evaluation Board User Guide
EN5329QI PowerSoC
Bill of Materials
Designator
Qty
Description
C1
1
CAP CERAMIC 22UF 10V 0805 X5R
C3, C4
2
CAP CER 22UF 6.3V X5R 0603
C8
1
CAPACITOR, SMT ELECTROLYTIC, 150UF, 20%, 10V
C9
1
CAP CERM 8.2PF 50V NP0 0805
C10
1
CAP, 10UF 0805 X7R 10% 10V CERAMIC
C11
1
CAPACITOR CER 1UF 10V X5R 0603
C5, C6, C12-C14,
R8
6 NOT USED
D1
1
TVS UNIDIRECT 600W 6.5V SMBJ6.5A
FB1
1
SMT FERRITE BEAD 4A 0805, Wurth Electronik 742792012
J1
1
CONNECTOR HEADER, 3 POSITION, Samtec ASP-121920-02
J2
1
CONNECTOR HEADER, 8 POSITION Dual, Samtec TSW-104-24-T-D
J4-J7
4
BANANA JACK, KEYSTONE 575-4
R1, R3
2
RES 348K OHM 1/8W 1% 0805
R2
1
RES 523K OHM 1/8W 1% 0805 SMD
R4
1
RES 100K OHM 1/8W 1% 0805 SMD
R5
1
RES 232K OHM 1/8W 1% 0805 SMD
R6
1
RES 174K OHM 1/8W 1% 0805 SMD
R7
1
RES ZERO OHM 1/8W 5% 0805 SMD
TP5-TP9,
TP16-TP19
9 TEST POINT SURFACE MOUNT, KEYSTONE 5016
U1
1
EN5329QI QFN 2A
Contact Information
Altera Corporation
101 Innovation Drive
San Jose, CA 95134
Phone: 408-544-7000
www.altera.com/
© 2013 Altera Corporation—Confidential. All rights reserved. ALTERA, ARRIA, CYCLONE, ENPIRION, HARDCOPY, MAX,
MEGACORE, NIOS, QUARTUS and STRATIX words and logos are trademarks of Altera Corporation and registered in the U.S.
Patent and Trademark Office and in other countries. All other words and logos identified as trademarks or service marks are the
property of their respective holders as described at www.altera.com/common/legal.html. Altera warrants performance of its
semiconductor products to current specifications in accordance with Altera's standard warranty, but reserves the right to make
changes to any products and services at any time without notice. Altera assumes no responsibility or liability arising out of the
application or use of any information, product, or service described herein except as expressly agreed to in writing by Altera. Altera
customers are advised to obtain the latest version of device specifications before relying on any published information and before
placing orders for products or services.
Page 6 of 6
www.altera.com/enpirion
P1-P3P4-P6

EVB-EN5329QI

Mfr. #:
Buy EVB-EN5329QI
Manufacturer:
Intel / Altera
Description:
Power Management IC Development Tools EN5329QI Eval Board
Lifecycle:
New from this manufacturer.
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