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Schematic and Bill of Materials

4.2 Bill of Materials

Table 5 presents the bill of materials for the EVM.

Table 5. TPS54020EVM-082 Bill of Materials

Count RefDes Value Description Size Part Number Mfr

1 C1 68 µF Capacitor, aluminum, 25 V, ±20% 0.260 × 0.276 in EEE-FK1E680P Panasonic

C2, C5, C10, C13,

5 0.1 µF Capacitor, ceramic, 25 V, X7R, 10% 603 Std Std

C14

2 C3, C4 22 µF Capacitor, ceramic, 25 V, X5R, 10% 1210 Std Std

1 C6 4.7 µF Capacitor, ceramic, 25 V, X5R, 10% 805 Std Std

3 C7, C8, C9 100 µF Capacitor, ceramic, 6.3 V, X5R, 20% 1210 Std Std

0 C11 820 pF Capacitor, ceramic, 50 V, X7R, 10% 603 Std Std

1 C12 22 nF Capacitor, ceramic, 16 V, X7R, 10% 603 Std Std

1 C15 220 pF Capacitor, ceramic, 50 V, X7R, 10% 603 Std Std

2 J1, J3 ED120/2DS Terminal block, 2 pin, 15 A, 5.1 mm 0.40 × 0.35 in ED120/2DS OST

1 J2 PEC03SAAN Header, male 3 pin, 100-mil spacing 0.100 in × 3 PEC03SAAN Sullins

1 J4 ED555/2DS Terminal block, 2 pin, 6 A, 3.5 mm 0.27 × 0.25 in ED555/2DS OST

2 J5, J6 PEC02SAAN Header, male 2 pin, 100-mil spacing, 0.100 in × 2 PEC02SAAN Sullins

1 L1 1.1 µH Inductor, power choke, 20 ±% 6.9 × 7 mm 744314110 IND_744314110

0 R1 0 Resistor, chip, 1/16W, 1% 603 Std Std

0 R2 0 Resistor, chip, 1/16W, 1% 603 Std Std

1 R3 33.1 Resistor, chip, 1/16W, 1% 603 Std Std

3 R4 10k Resistor, chip, 1/16W, 1% 603 Std Std

1 R7 5.11k Resistor, chip, 1/16W, 1% 604 Std Std

1 R5 49.9 Resistor, chip, 1/16W, 1% 603 Std Std

1 R6 69.8k Resistor, chip, 1/16W, 1% 603 Std Std

1 R8 20.0k Resistor, chip, 1/16W, 1% 603 Std Std

1 R9 100k Resistor, chip, 1/16W, 1% 603 Std Std

1 R10 2.55k Resistor, chip, 1/16W, 1% 603 Std Std

1 R11 13.3k Resistor, chip, 1/16W, 1% 603 Std Std

0 R12 20.0k Resistor, chip, 1/16W, 1% 603 Std Std

1 R13 3.01k Resistor, chip, 1/16W, 1% 603 Std Std

1 Shunt1 NA Shunt, 100-mil, black 0.100 in 929950-00 3M

2 TP1, TP5 5010 Test point, red, thru hole 0.125 × 0.125 in 5010 Keystone

TP2, TP3, TP4,

6 5012 Test point, white, thru hole 0.125 × 0.125 in 5012 Keystone

TP10, TP11, TP12

TP6, TP8, TP13,

4 5011 Test point, black, thru hole 0.125 × 0.125 in 5011 Keystone

TP14

2 TP7, TP9 5013 Test point, orange, thru hole 0.125 x 0.125 in 5013 Keystone

IC, 4.5 V–17 V input, 10-A sync. step down

1 U1 TPS54020RUW QFN TPS54020RUW TPS54020RUW

SWIFT converter

1 — PCB, 3.0 in × 2.0 in × 0.062 in PWR082 Any

Note 1. This assembly is ESD sensitive. Observe ESD precautions.

SLVU777–September 2012 TPS54020EVM-082 Evaluation Module (PWR082)

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