Datasheet
Bill of Materials
4-3
Schematic and Bill of Materials
4.2 Bill of Materials
The bill of materials for the TPS54973EVM−017 is listed in Table 4−1.
Table 4−1.TPS54973EVM-017 Bill of Materials
Count Ref Des Description Size MFR Part Number
−
C1 Capacitor, POSCAP, 220 µF, 10 V,
40 mΩ, 20%
7343 (D) Sanyo 10TPB220M
1
C14 Capacitor, ceramic, 0.1 µF, 25 V,
X7R, 10%
603 Std Std
3
C16, C17, C18 Open 62100
6
C2, C9, C10,
C11, C12, C13
Capacitor, ceramic, 22 µF, 6.3 V,
X5R, 20%
1210 Taiyo Yuden JMK325BJ226MN
2
C3,C5 Capacitor, ceramic, 0.047 µF, 25 V,
X7R, 10%
603 Std Std
1
C4 Capacitor, ceramic, 1.0 µF, 10 V,
X5R, 10%
603 Std Std
2
C6, C15 Capacitor, ceramic, 3300 pF, 50 V,
X7R, 10%
603 Std Std
1
C7 Capacitor, ceramic, 120 pF, 50 V,
NPO, 5%
603 Std Std
1
C8 Capacitor, ceramic, 1200 pF, 50 V,
X7R, 10%
603 Std Std
4
D1, D2, D3, D4 Diode, ultrafast rectifier, 1 A, 200 V SMB On Semi MURS120T3
3
J1, J2, J4 Terminal block, 2 pin, 15 A, 5,1 mm 148830 OST ED1609
3
J3, J5, J6 Header, 2 pin, 100 mil spacing,
(36-pin strip)
0.100 × 2 Sullins PTC36SAAN
3
— Shunt, 100 mil, black 0.100 3M 929950-00
1
L1 Inductor, 0.65 µH, 12 A 0.340 × 0.250 Pulse PA0277
1
L2 Open 0.51 × 0.51
2
R1, R6 Resistor, chip, 10.0 kΩ, 1/16 W, 1% 603 Std Std
1
R2 Resistor, chip, 9.76 kΩ, 1/16 W, 1% 603 Std Std
1
R3 Resistor, chip, 4.02 Ω, 1/16 W, 1% 603 Std Std
1
R4 Resistor, chip, 71.5 kΩ, 1/16 W, 1% 603 Std Std
1
R5 Resistor, chip, 383 Ω, 1/16 W, 1% 603 Std Std
1
R7 Resistor, chip, 0 Ω, 1/16 W, 1% 603 Std Std
1
R8 Resistor, chip, 2.2 Ω, 1/4 W, 1% 1206 Std Std
1
TP1 Adapter, 3.5-mm probe clip (or
131-5031-00)
72900 Tektronix 131-4244-00
6
TP2, TP4,
TP6, TP7,
TP9, TP10
Test point, red, 1 mm 0.038I, 6400I Farnell 230-345
3
TP3, TP5, TP8 Test point, black, 1 mm 0.038I, 6400I Farnell 240-333
1
U1 IC, dc/dc converter, 3−4 V, 9 A PWP28 TI TPS54973PWP
1
— PCB, 3 in × 3 in × 0.062 in Any HPA017
Notes: 1) These assemblies are ESD sensitive, ESD precautions should be observed.
2) These assemblies must be clean and free from flux and all contaminants, Use of no clean flux is not acceptable.
3) These assemblies must comply with workmanship standards IPC-A-610 Class 2.
4) Reference designators marked with an asterisk (**) cannot be substituted. All other components can be substituted
with equivalent manufacturers components.