Texas Instruments TPS51220EVM Evaluation Module TPS51220EVM TPS51220EVM Datenbogen
Produktcode
TPS51220EVM
R3
V
(CH1) =
out
(R5 + R2 + R3)
x V
(= 1 V)
ref
R24
V
(CH2) =
out
(R21 + R23 + R24)
x V
(= 1 V)
ref
Bill of Materials
5.7
Output Voltage Adjustment
Output voltage is programmable by changing R2, R3, and R5 for CH1 and R21, R23, and R24 for CH2.
Default setting is 5 V for CH1 and 3.3 V for CH2.
(1)
When V
out
(CH1) is set above 5 V, V5SW input resistor (R22) must be open.
(2)
6
Bill of Materials
Table 8. Bill of Materials
Reference
Qty
Description
Size
Mfr
Part Number
C1, C14, C26
3
Capacitor, Ceramic, 10 nF, 50V, X7R, 20%
0603
Std
Std
C2, C3
2
Capacitor, SPCAP, 150
μ
F, 6.3-V, 15-m
Ω
,
7343
Panasonic
EEFCX0J151R
20%
C4, C5, C6, C21,
6
Capacitor, Ceramic, 0.1
μ
F, 50V, X7R, 20%
0603
TDK
C1608X7R1H104K
C22, C23
C7, C16, C20, C27
4
Capacitor, Ceramic, 100 pF, 50V, CH, 5%
0603
TDK
C1608CH1H101J
C8, C33
0
Capacitor, Ceramic, 10
μ
F, 25V, X7R, 20%
1210
–
–
C9, C18, C19, C32
4
Capacitor, Ceramic, 10
μ
F, 25V, X7R , 20%
1210
Murata
GRM32DR71E106KA
C10
1
Capacitor, Ceramic, 2.2
F, 6.3V, X7R (or
0603
Murata
GRM188R70J225KA
X5R), 10%
TDK
C1608X5R0J225K
C11
0
Capacitor, Ceramic
0603
–
–
C12
1
Capacitor, Ceramic, 47pF, 50V, CH, 5%
0603
TDK
C1608CH1H470J
C13
1
Capacitor, Ceramic, 0.22
F, 50V, X7R, 10%
0630
TDK
C1608X7R1E224K
C15
1
Capacitor, Ceramic, 10
F, 10V, X7R (or
0805
Murata
GRM21BR71A106K
X5R), 10%
TDK
C2012X5R0J106K
C17
0
Capacitor, Ceramic
0603
–
–
C24, C29
0
Capacitor
7343
–
–
C25, C30
2
Capacitor, SPCAP, 220
F, 4-V, 15-m
Ω
, 20% 7343
Panasonic
EEFCX0G221R
C28
0
Capacitor, Ceramic
0603
–
–
C31
0
Capacitor, Ceramic
0603
–
–
D1, D2
0
Diode
0.1
×
0.049 inch
–
–
L1
1
Inductor, 4.7
μ
H, 10.2A, 12.9-m
Ω
0.4
×
0.4 inch
TOKO
FDV1040-4R7M
L2
1
Inductor, 3.3
μ
H, 10.7A, 10.5-m
Ω
0.4
×
0.4 inch
TOKO
FDV1040-3R3M
Q1, Q3
2
MOSFET, N-ch, 30-V, 14-A, 9.7-m
Ω
SO8
TI
CSD17307Q5A
Q2, Q4
2
MOSFET, N-ch, 30-V, 21-A, 4.5-m
Ω
SO8
TI
CSD17310Q5A
R1, R4, R9, R17,
9
Resistor, Chip, 0
Ω
, 1/10W, 1%
0603
Std
Std
R22, R34, R35,R36,
R37
R37
R2
1
Resistor, Chip, 120k
Ω
, 1/10W, 1%
0603
Std
Std
R3
1
Resistor, Chip, 30k
Ω
, 1/10W, 1%
0603
Std
Std
R5, R23
2
Resistor, Chip 49.9 or 51
Ω
, 1/10W, 1%
0603
Std
Std
R6
0
Resistor, Chip, m
Ω
, 1 W, 1%
3712
Std
Std
R7, R25
0
Resistor, Chip
0603
Std
Std
R8
1
Resistor, Chip, 7.5k
Ω
, 1/10W, 1%
0603
Std
Std
R10
0
Resistor, Chip
0603
Std
Std
R11, R14
2
Resistor, Chip, 470k
Ω
, 1/10W, 1%
0603
Std
Std
R12, R13
2
Resistor, Chip, 10k
Ω
, 1/10W, 1%
0603
Std
Std
R15
1
Resistor, Chip, 360k
Ω
, 1/10W, 1%
0603
Std
Std
7
SLVU251A
–
June 2008
–
Revised May 2011
High-Performance Synchronous Buck EVM Using the TPS51220
Copyright
©
2008
–
2011, Texas Instruments Incorporated