Texas Instruments AN-1521 POEPHYTEREV-E, Руководство пользователя, Страница: 18 / 22

Bill of Materials
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Table 2. Part 1. PoE Circuit BOM
(1)
(continued)
ITEM PART NUMBER DESCRIPTION VALUE
RE2A CRCW12068R20J RESISTOR 8.20 Ohm
RE2B CRCW12068R20J RESISTOR 8.20 Ohm
RE2C CRCW12068R20J RESISTOR 8.20 Ohm
RE2D CRCW12068R20J RESISTOR 8.20 Ohm
RE3 CRCW080520R0F RESISTOR 20 Ohm
RE4 NU
RE5 CRCW08053321F RESISTOR 3.32 k Ω
RE6 CRCW080524R9J RESISTOR 24.9 Ohm
RE7 CRCW080510R0F RESISTOR 10 Ohm
RE8 NU
RE9 CRCW08051000F RESISTOR 100 Ohm
RE10 NU
RE11 NU
RE12 CRCW08052432F RESISTOR 24.3 k Ω
RE13 CRCW08054991F RESISTOR 4.99 k Ω
RE14 CRCW12060R47F RESISTOR 0.47 Ohm
RE15 CRCW12060R47F RESISTOR 0.47 Ohm
RE16 NU
RE17 CRCW08055900F RESISTOR 1 k Ω
RE18 CRCW08051472F RESISTOR 14.7 k Ω
RE19 NU
RE20 CRCW08051001F RESISTOR 1 k Ω
RE21 CRCW08052102F RESISTOR 21.0 k Ω
RE22 NU
RE23 CRCW08051582F RESISTOR 15.8 k Ω
RE25 CRCW12060R47F RESISTOR 0.47 Ohm
RE26 NU
RE28 CRCW08050R0J RESISTOR 332 Ohm
RE29 CRCW12062492F RESISTOR 24.9 k Ω
RE34 CRCW08050R0J RESISTOR 0 Ohm
U5 LM5072-80 POE PI AND PWM CTRL, NATIONAL
U6 SHORT LEADS
U7 FA2677-AL XFMR, FLYBACK, EFD20, COILCRAFT
U11 FA2659-AL PULSE XFMR, 1:1, COILCRAFT
UE2 PS2811-1-M OPTO-COUPLER, NEC
UE3 LMV431A REFERENCE, SOT23-3, NATIONAL
ZE1 CMZ5944B ZENER, 62V, SMA, CENTRAL
ZE2 SMAJ58A TVS, 58V, SMA, DIODE INC
ZE3 CMPZ4619 ZENER, 3.0V, SOT23-3 CENTRAL
Table 3. Part 2. PHYTER BOM
(1)
ITEM PART NUMBER DESCRIPTION VALUE
C1 CAPACITOR, TAN, CC7343 33 µF, 35V
C2 CAPACITOR, TAN, CC7343 33 µF, 35V
C3 CAPACITOR, CER, C0805, KEMET 33 pF, 50V
C4 CAPACITOR, CER, C0805, KEMET 33 pF, 50V
(1)
Note: NU stands for Not Used, namely not populated.
18 AN-1521 POEPHYTEREV-I / -E Evaluation Board SNOA476C – October 2006 – Revised April 2013
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