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TPS56221

SLUSAH5B –MARCH 2011–REVISED SEPTEMBER 2012

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Table 3. List of Materials for TPS56221 Design Example

REFERENCE

QTY VALUE DESCRIPTION SIZE PART NUMBER MANUFACTURER

DESiGNATOR

C1, C2, C3, C4 4 22 µF Capacitor, Ceramic, 25 V, X5R, 20% 1210 Std Std

C5, C11 2 1.0 µF Capacitor, Ceramic, 25 V, X7R, 20% 0805 Std Std

C6 0 100 µF Capacitor, Ceramic, 16 Vdc, ±20% Code D8 Std EEEFP1C101AP

C7, C8, C9, 5 100 µF Capacitor, Ceramic, 6.3 V, X5R, 20% 1210 Std Std

C10, C19

C12 1 4.7 µF Capacitor, Ceramic, 10 V, X5R, 20% 0805 Std Std

C13 1 33 nF Capacitor, Ceramic, 16 V, X7R, 20% 0603 Std Std

C14 1 100 nF Capacitor, Ceramic, 16V, X7R, 20% 0402 Std Std

C15, C18 2 2200 pF Capacitor, Ceramic, 50 V, X7R, 10% 0603 Std Std

C16 1 100 pF Capacitor, Ceramic, 50 V, C0G, 10% 0603 Std Std

C17 1 680 pF Capacitor, Ceramic, 50 V, C0G, 10% 0603 Std Std

C20, C21 0 100 µF Capacitor, Ceramic, 6.3 V, X5R, 20% 1210 Std Std

0.80 x 0.35

J1, J2 2 Terminal Block, 4-pin, 15-A, 5.1 mm ED120/4DS

inch

0.100 inch x

J3 1 Header, Male 2-pin, 100 mil spacing PEC02SAAN

0.530 x

L1 1 320 nH Inductor, 320 nH, 41 A, 0.32 mΩ PA2202-321NL Pulse

0.510 inch

R1 1 1.78 kΩ Resistor, Chip, 1/16W, 1% 0603 Std Std

R2 1 5.10 Ω Resistor, Chip, 1/16W, 1% 0603 Std Std

R3 1 7.87 kΩ Resistor, Chip, 1/16W, 1% 0603 Std Std

R4 1 20.5 kΩ Resistor, Chip, 1/16W, 1% 0603 Std Std

R5 49.9Ω Resistor, Chip, 1/16W, 1% 0603

R6 1 1.00 kΩ Resistor, Chip, 1/16W, 1% 0603 Std Std

R7 1 30.1 kΩ Resistor, Chip, 1/16W, 1% 0603 Std Std

R8 1 0 Ω Resistor, Chip, 1/16W, 1% 0603

R9 1 1 Ω Resistor, Chip, 1/16W, 1% 0603

R10 1 100 kΩ Resistor, Chip, 1/16W, 1% 0603

0.125 x

TP1, TP3, TP11 3 Test Point, Red, Thru Hole 5010

0.125 inch

TP2, TP4, TP8, 0.125 x

5 Test Point, Black, Thru Hole 5011

TP9, TP12 0.125 inch

0.125 x

TP5, TP6 2 Test Point, Yellow, Thru Hole 5014

0.125 inch

0.125 x

TP7, TP10 2 Test Point, White, Thru Hole 5012

0.125 inch

4.5-V to 14-V Input, 25-A, synchronous

U1 1 QFN-22 6 × 5 mm TPS56221DQP TI

buck converter

Product Folder Links :TPS56221