Datasheet

List of Materials

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8 List of Materials

List of materials for the TPS51217EVM.

Table 3. List of Materials

REFDES QTY DESCRIPTION MFR PART NUMBER

C1 1 Capacitor, ceramic, 4.7 nF, 50 V, X7R, 5%, 0603 STD STD

C2, C8 2 Capacitor, ceramic, 0.1 µF, 50 V, X7R, 10%, 0603 STD STD

C3 1 Capacitor, ceramic, 1 µF, 16 V, X7R, 10%, 0603 STD STD

C4, C5, C6, C7 4 Capacitor, ceramic, 10 µF, 25 V, X7R, 10%, 1210 TDK C3225X7R1E106K

C9, C10, C11, C12 4 Capacitor, aluminum, 330 µF, 2 V, 12 mΩ, 20% Panasonic EEFCX0D331XR

C13 1 Capacitor, ceramic, 0.01 µF, 50 V, X7R, 10%, 0603 STD STD

C14 1 Capacitor, ceramic, 1 nF, 50 V, X7R, 10%, 0603 STD STD

C16 1 Capacitor, ceramic, 100 pF, 50 V, CH, 5%, 0603 STD STD

C17 1 Capacitor, ceramic, 51 pF, 50 V, CH, 5%, 0603 STD STD

C15, C18, C19, C20 0 Not used

L1 1 Inductor, power choke SMT, 17 A, 1.1 mΩ Panasonic ETQP4LR45XFC

Q1 1 MOSFET, N-channel, 30 V, 35 A, 7.0 mΩ Fairchild FDMS8680

Q2, Q3 2 MOSFET, N-channel, 30 V, 42 A, 3.0 mΩ Fairchild FDMS8670AS

Q5 1 MOSFET, dual, N-channel, 30 V, 100 mA Rohm EM6K1

Q4 0 Not used

R1 1 Resistor, chip, 10.0 kΩ, 1/16W, 1%, 0603 STD STD

R2 1 Resistor, chip, 20 kΩ, 1/16W, 1%, 0603 STD STD

R3 1 Resistor, chip, 33 kΩ, 1/16W, 1%, 0603 STD STD

R4 1 Resistor, chip, 100 kΩ, 1/16W, 1%, 0603 STD STD

R5 1 Resistor, chip, 0 Ω 1/16W, 1%, 0603 STD STD

R6 1 Resistor, chip, 1 Ω, 1/16W, 1%, 0603 STD STD

R7, R8 2 Resistor, chip, 1 kΩ, 1/16W, 1%, 0603 STD STD

R9 1 Resistor, chip, 820 Ω, 1/16W, 1%, 0603 STD STD

R10 1 Resistor, chip, 51 kΩ, 1/16W, 1%, 0603 STD STD

R11 1 Resistor, chip, 10 kΩ, 1/16W, 1%, 0603 STD STD

R12 1 Resistor, chip, 30 kΩ, 1/16W, 1%, 0603 STD STD

R13 1 Resistor, chip, 430 Ω, 1/16W, 1%, 0603 STD STD

R14, R15, R16, R17, R18,

0 Not used

R19

U1 1 IC, single synchronous step-down controller TI TPS51217DSC

9 References

TPS51217 High-Performance, Single-Synchronous Step-Down Controller for Notebook Power Supply

(SLUS947)

Using the TPS51217EVM-533, High-Performance, Single-Synchronous SLUU420–MAY 2010

Step-Down Controller for Notebook Power Supply