Datasheet

List of Materials www.ti.com
7 List of Materials
Table 3 lists the EVM components as configured according to the schematic shown in Figure 1.
Table 3. TPS54291EVM-431 Bill of Materials
QTY RefDes Value Description Size Part Number MFR
1 C1 100 μF Capacitor, Aluminum, 25V, ±20% 0.328 x 0.390 inch EEEFC1E101P Panasonic
1 C12 4.7 μF Capacitor, Ceramic, 10V, X5R, 20% 0805 Std Std
2 C2, C14 22 μF Capacitor, Ceramic, 6.3V, X5R, 20% 1206 C3216X5R0J226M TDK
2 C3, C13 470 pF Capacitor, Ceramic, 25V, X7R, 20% 0603 Std Std
2 C4, C11 0.047 μF Capacitor, Ceramic, 25V, X7R, 20% 0603 Std Std
2 C5, C10 10 μF Capacitor, Ceramic, 25V, X5R, 20% 1210 C3225X5R1E106M TDK
1 C6 1.8 nF Capacitor, Ceramic, 25V, X7R, 20% 0603 Std Std
1 C7 15 pF Capacitor, Ceramic, 25V, C0G, 20% 0603 Std Std
1 C8 47 pF Capacitor, Ceramic, 25V, C0G, 20% 0603 Std Std
1 C9 1.2 nF Capacitor, Ceramic, 25V, X7R, 20% 0603 Std Std
3 J1, J2, J3 ED1609-ND Terminal Block, 2-pin, 15-A, 5.1mm 0.40 x 0.35 inch ED120/2DS OST
2 JP1, JP2 PEC03SAAN Header, 3-pin, 100mil spacing 0.100 inch x 3 PEC03SAAN Sullins
1 L1 8.2 μH Inductor, SMT, 4.38A, 20 mΩ 0.402 x 0.394 inch MSS1048-822L Coilcraft
1 L2 3.3 μH Inductor, SMT, 4.38A, 20 mΩ 0.402 x 0.394 inch MSS1048-332L Coilcraft
2 R1, R8 51 Resistor, Chip, 1/16W, 5% 0603 Std Std
1 R10 40.2 k Resistor, Chip, 1/16W, 1% 0603 Std Std
2 R2, R11 10 Resistor, Chip, 1/16W, 5% 0603 Std Std
2 R3, R12 20.5 k Resistor, Chip, 1/16W, 1% 0603 Std Std
1 R4 6.49 k Resistor, Chip, 1/16W, 1% 0603 Std Std
2 R5, R9 0 Resistor, Chip, 1/16W, 5% 0603 Std Std
1 R6 53.6 k Resistor, Chip, 1/16W, 1% 0603 Std Std
1 R7 18.7 k Resistor, Chip, 1/16W, 1% 0603 Std Std
3 TP1, TP3, TP18 5010 Test Point, Red, Thru Hole 0.125 x 0.125 inch 5010 Keystone
TP2, TP4, TP5,
TP7, TP10, TP13,
TP15
9 TP17, TP19, TP6, 5011 Test Point, Black, Thru Hole 0.125 x 0.125 inch 5011 Keystone
TP8, TP11, TP14
5 TP16 5012 Test Point, White, Thru Hole 0.125 x 0.125 inch 5012 Keystone
0 TP9, TP12 None Test point, 40 mil SMT None None None
1 U1 TPS54291PWP IC, 2.5/1.5A, 600Hz, Dual Output Fully CSP TPS54291PWP TI
Synchronous Buck Converter W/Integrated
FET
2 – Shunt, 100-mil, Black 0.100 929950-00 3M
1 – PCB, 3 In × 3 In × 0.063 In HPA431 Any
16
Using the TPS54291EVM-431 A 12V Input, 3.3V 1.5A and 1.2V 2.5A SLVU356–January 2010
Synchronous Buck Converter
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