Datasheet

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7 List of Materials
List of materials for the TPS51125A-EVM.
Table 5. TPS51125A Bill of Materials
RERERENCE
QTY DESCRIPTION SIZE MFR PART NUMBER
DESIGNATOR
C1, C2, C3, C4,
6 Capacitor, Ceramic, 0.1 µF, 50 V, X5R, 10% 0603 muRata GRM188B31H104K
C13, C23
C5 1 Capacitor, Ceramic, 1 mF, 25 V, X5R, 10% 0805 TDK C2012X7R1E105K
C6, C7, C24, C25 4 Capacitor, Ceramic, 10 mF, 25 V, BJ, M 1210 Taiyo Yuden TMK325BJ106MM
C8, C9, C14, C16,
0 Capacitor 0603 Any Any
C18, C26
C10, C21 0 Capacitor 7343 (D) Any Any
C11, C22 2 Capacitor, POS, 330 mF, 6.3 V, 25 mΩ, 20% 7343 (D) SANYO 6TPE330ML
C12, C20 0 Capacitor 0805 Any Any
C15, C17 2 Capacitor, Ceramic, 10 mF, 6.3 V, X5R, 10% 0805 TDK C2012X5R0J106K
C19 1 Capacitor, Ceramic, 0.22 µF, 16 V, B, 10% 0603 muRata GRM188B11C224K
CN1, CN2 2 Adaptor, 3.5-mm probe clip ( or 131-5031-00) 0.2 Tektronix 131-4244-00
D1 1 Diode, Schottky Barrier Array, 40 mA, 40 V SOT363 Diodes BAS40DW-04
D2, D5 0 Diode, Schottky, 0.5 A, 30 V SOD123 Any Any
RSX501LA-20 or
D3, D4 2 Diode, Schottky, 3 A, 20 V SMA Rohm
RSX501L-20
JP1 1 Header, 2×4-pin, 100 mil spacing (36-pin strip) 0.20 × 0.40 in Sullins PTC36DAAN
JP2 1 Header, 2×3-pin, 100 mil spacing (36-pin strip) 0.20 × 0.30 in Sullins PTC36DAAN
L1, L2 2 Inductor, high-current, 5.9 mΩ, 14 A, SMT 0.425 × 0.45 in Toko FDA1055-3R3M
Q1, Q3 2 MOSFET, N-channel, 30 V, 13.6 A, 9.1 mΩ SO8 IR IRF7821
Q2, Q4 2 MOSFET, N-channel, 30 V, 10 A, 12 mΩ SO8 Fairchild FDS6690AS
R1, R3, R8, R11,
6 Resistor, Chip, 0 Ω, 1/16 W, 1% 0603 Std Std
R13, R14
R2, R16 2 Resistor, Chip, 5.1 Ω, 1/16W, 1% 0603 Std Std
R4 1 Resistor, Chip, 30 kΩ, 1/16W, 1% 0603 Std Std
R5 1 Resistor, Chip, 100 kΩ, 1/16W, 1% 0603 Std Std
R6, R10 2 Resistor, Chip, 130 kΩ, 1/16W, 1% 0603 Std Std
R7, R9 2 Resistor, Chip, 20 kΩ, 1/16W, 1% 0603 Std
R12 1 Resistor, Chip, 13 kΩ, 1/16W, 1% 0603 Std Std
R15 1 Resistor, Chip, 620 Ω, 1/16W, 1% 0603 Std Std
S1 1 Header, 2-pin, 100 mil spacing, (36-pin strip) 0.2 × 0.2 in Sullins PTC36SAAN
SW1, SW2 2 Switch, ON-ON mini toggle 0.28 × 0.18 in Nikkai G-12AP
TP1, TP2, TP3,
7 Test point, yellow, through-hole 0.125 × 0.125 in Keystone 5014
TP4, TP5, TP6, TP7
Dual synchronous step-down controller with
U1 1 QFN-24 TI TPS51125ARGE
OOA operation and 100-mA LDO
VBAT, VBAT_GND,
VO1, VO1_GND, 6 Pin, wiring terminal 0.12(D) × 0.4 in Mill Max 3138-2-00-15-00-00-080
VO2, VO2_GND
3.5 × 2.7 × 0.062
1 Printed circuit board Any TPS51125AEVM
in
0.100 × 0.200
3 Shunt, 2POs, gold Molex 15-29-1025
inch
4 Standoff M/F hex 4-40 nylon 0.625 in Keystone 4803
Building
4 Nut hex 4-40 nylon NY HN 440
Fasteners
9
SLUU408–FEBRUARY 2010 High Performance Synchronous Buck EVM Using the TPS51125A
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