Texas Instruments TPS53127EVM-614, User Manual, Page: 17 / 19

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Bill of Materials
8 Bill of Materials
Table 3 contains the Bill of Materials for TPS53127EVM-614. The reference designators reference the
Schematic in Figure 1 and Assembly locations in Figure 12 . Components with a Quantity 0 listed are not
populated on the PCB but are provided for reference.
Table 3. TPS53127EVM-614 Bill of Materials
Count RefDes Value Description Size Part Number MFR
0 C1 Capacitor, Aluminum, 25V, 20% 0.328 x 0.390 inch Std Std
0 C12, C19, C20, Capacitor, Ceramic 0603 Std Std
C21
1 C15 4.7 µF Capacitor, Ceramic, 10V, X5R, 20% 0805 Std Std
1 C16 1 µF Capacitor, Ceramic, 16V, X5R, 20% 0805 Std Std
4 C2, C3, C4, C5 10 µF Capacitor, Ceramic, 25V, X5R, 20% 1210 Std Std
2 C22, C23 4700 pF Capacitor, Ceramic, Low Inductance, 16V, 0603 Std Std
X7R, 20%
0 C24, C25 Capacitor, Ceramic, 25V, X7R, 20% 0603 Std Std
2 C6, C11 0.1 µF Capacitor, Ceramic, 50V, X5R, 10% 0603 Std Std
6 C7, C9, C10, C14, 47 µF Capacitor, Ceramic, 6.3V, X5R, 20% 1206 Std Std
C17, C18
0 C8, C13 330 µF Capacitor, PXE, 4.0V, 15 milliohm, 20% 7343 (D) APXE4R0ARA331MF61G NIPPON
CHEMI-CON
2 D1, D2 BAT54XV2T1G Diode, Schottky, 200 mA, 30 V SOD523 BAT54XV2T1G On Semi
3 J1, J2, J3 ED120/2DS Terminal Block, 2-pin, 15-A, 5.1mm 0.40 x 0.35 inch ED120/2DS OST
2 L1, L2 1.5 µH Inductor, SMT, 11A, 9.7 milliohm 0.256 x 0.280 inch SPM6530T-1R5M100 TDK
4 Q1, Q2, Q3, Q4 CSD17507Q5A MOSFET, N-Chan, 30V, 65A, 11.8 milliohm QFN-8 POWER CSD17507Q5A TI
1 R1 1.62k Resistor, Chip, 1/16W, 1% 0603 Std Std
4 R10, R4, R6, R8 10.0k Resistor, Chip, 1/16W, 1% 0603 Std Std
2 R11, R12 5.11 Resistor, Chip, 1/16W, 1% 0603 Std Std
1 R13 432 Resistor, Chip, 1/16W, 1% 0603 Std Std
0 R14, R15 Resistor, Chip, 1/8W, 5% 0603 Std Std
2 R17, R18 2.00 Resistor, Chip, 1/16W, 1% 0603 Std Std
0 R2, R7, R9 Resistor, Chip, 1/16W, 1% 0603 Std Std
1 R3 3.32k Resistor, Chip, 1/16W, 1% 0603 Std Std
1 R5 12.1k Resistor, Chip, 1/16W, 1% 0603 Std Std
2 SW1, SW2 G12AP-RO Switch, ON-ON Mini Toggle 0.28 x 0.18"" G12AP-RO Nikkai
0 SW3 G12AP-RO Switch, ON-ON Mini Toggle 0.28 x 0.18"" G12AP-RO Nikkai
4 TP1, TP2, TP5, 5012 Test Point, White, Thru Hole 0.125 x 0.125 inch 5012 Keystone
TP11
1 TP10 5013 Test Point, Orange, Thru Hole 0.125 x 0.125 inch 5013 Keystone
3 TP3, TP4, TP6 5011 Test Point, Black, Thru Hole 0.125 x 0.125 inch 5011 Keystone
2 TP7, TP8 5014 Test Point, Yellow, Thru Hole 0.125 x 0.125 inch 5014 Keystone
1 TP9 5010 Test Point, Red, Thru Hole 0.125 x 0.125 inch 5010 Keystone
1 U1 TPS53127PW IC, Dual Synchronous Step-Down Controller TSSOP TPS53127PW TI
For Low-Voltage Power Rails
1 – PCB, 2.70" x 3.50" x 0.063" FR-4 2.7" x 3.5" HPA614 Any
Notes: 1. These assemblies are ESD sensitive, ESD precautions shall 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. Ref designators marked with an asterisk ('**') cannot be substituted. All other components can be substituted with equivalent MFG's components.
17 SLVU434 – February 2011 TPS53127EVM-614
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