Texas Instruments 9-A DC/DC Converter with Disabled Sinking During Startup TPS54973EVM-017 TPS54973EVM-017 Data Sheet
Product codes
TPS54973EVM-017
Bill of Materials
4-3
Schematic and Bill of Materials
4.2
Bill of Materials
The bill of materials for the TPS54973EVM−017 is listed in Table 4−1.
Table 4−1. TPS54973EVM-017 Bill of Materials
Count
Ref Des
Description
Size
MFR
Part Number
−
C1
Capacitor, POSCAP, 220
µ
F, 10 V,
40 m
Ω
, 20%
7343 (D)
Sanyo
10TPB220M
1
C14
Capacitor, ceramic, 0.1
µ
F, 25 V,
X7R, 10%
603
Std
Std
3
C16, C17, C18
Open
62100
6
C2, C9, C10,
C11, C12, C13
C11, C12, C13
Capacitor, ceramic, 22
µ
F, 6.3 V,
X5R, 20%
1210
Taiyo Yuden
JMK325BJ226MN
2
C3,C5
Capacitor, ceramic, 0.047
µ
F, 25 V,
X7R, 10%
603
Std
Std
1
C4
Capacitor, ceramic, 1.0
µ
F, 10 V,
X5R, 10%
603
Std
Std
2
C6, C15
Capacitor, ceramic, 3300 pF, 50 V,
X7R, 10%
X7R, 10%
603
Std
Std
1
C7
Capacitor, ceramic, 120 pF, 50 V,
NPO, 5%
NPO, 5%
603
Std
Std
1
C8
Capacitor, ceramic, 1200 pF, 50 V,
X7R, 10%
X7R, 10%
603
Std
Std
4
D1, D2, D3, D4
Diode, ultrafast rectifier, 1 A, 200 V
SMB
On Semi
MURS120T3
3
J1, J2, J4
Terminal block, 2 pin, 15 A, 5,1 mm
148830
OST
ED1609
3
J3, J5, J6
Header, 2 pin, 100 mil spacing,
(36-pin strip)
(36-pin strip)
0.100
×
2
Sullins
PTC36SAAN
3
—
Shunt, 100 mil, black
0.100
3M
929950-00
1
L1
Inductor, 0.65
µ
H, 12 A
0.340
×
0.250
Pulse
PA0277
1
L2
Open
0.51
×
0.51
2
R1, R6
Resistor, chip, 10.0 k
Ω
, 1/16 W, 1%
603
Std
Std
1
R2
Resistor, chip, 9.76 k
Ω
, 1/16 W, 1%
603
Std
Std
1
R3
Resistor, chip, 4.02
Ω
, 1/16 W, 1%
603
Std
Std
1
R4
Resistor, chip, 71.5 k
Ω
, 1/16 W, 1%
603
Std
Std
1
R5
Resistor, chip, 383
Ω
, 1/16 W, 1%
603
Std
Std
1
R7
Resistor, chip, 0
Ω
, 1/16 W, 1%
603
Std
Std
1
R8
Resistor, chip, 2.2
Ω
, 1/4 W, 1%
1206
Std
Std
1
TP1
Adapter, 3.5-mm probe clip (or
131-5031-00)
131-5031-00)
72900
Tektronix
131-4244-00
6
TP2, TP4,
TP6, TP7,
TP9, TP10
TP6, TP7,
TP9, TP10
Test point, red, 1 mm
0.038
I
, 6400
I
Farnell
230-345
3
TP3, TP5, TP8
Test point, black, 1 mm
0.038
I
, 6400
I
Farnell
240-333
1
U1
IC, dc/dc converter, 3−4 V, 9 A
PWP28
TI
TPS54973PWP
1
—
PCB, 3 in
×
3 in
×
0.062 in
Any
HPA017
Notes:
1) These assemblies are ESD sensitive, ESD precautions should 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) Reference designators marked with an asterisk (**) cannot be substituted. All other components can be substituted
with equivalent manufacturers components.