Texas Instruments TPA2014D1 Evaluation Module (EVM) TPA2014D1EVM TPA2014D1EVM Datenbogen
Produktcode
TPA2014D1EVM
2.2.5
Recommended Inductor and Capacitor Values by Application
3
TPA2014D1EVM Schematic
3
2
1
VDD
J2
TP2
TP1
GND
J1
YEL
GRN
S2
S1
J12
J10
J9
JS1
JS2
J11
3
2
1
3
2
1
1
2
3
VCC
1
2
3
1
3
JS4
JS3
JS5
J8
INPUT/GND
1
3
2
J7
VIN
J6
J4
J5
TP5
TP4
OUT+
OUT-
VCC
TP3
VCC
J3
1
2
3
4
5
6
7
8
9
1
0
11
12
13
14
15
1
6
1
7
1
8
1
9
2
0
VDD
GAIN
AGND
SDd
J13
S
D
b
IN
-
IN
+
P
G
N
D
P
G
N
D
P
G
N
D
VOUT+
VOUT-
VOUT-
VOUT+
VOUT+
V
C
C
IN
V
C
C
O
U
T
S
W
S
W
TPA2014D1
VCCFB
FB1
FB2
L1
R1
R2
R3
R4
R5
R6
C1
C2
C3
C4
C5
C6
C7
C8
C10
C9
D1
D2
VDD
VDD
VDD
VDD
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TPA2014D1EVM Schematic
Use
as a guide for determining the proper inductor and capacitor values.
Table 1. Recommended Values
Class-D
Max
Class-D
Minimum Required
Output
Max I
L
L
Inductor Vendor
ΔV
C
(2)
Capacitor Vendor
Load
V
DD
V
CC
Power
(A)
(
µ
H)
Part Numbers
(mVpp
(
µ
F)
Part Numbers
(
Ω
)
(V)
(V)
(W)
(1)
)
3.3
10
Toko DE2812C
Kemet C1206C106K8PACTU
1
8
3
4.3
0.7
30
Coilcraft DO3314
Murata GRM32ER61A106KA01B
Murata LQH3NPN3R3NG0
Taiyo Yuden LMK316BJ106ML-T
4.7
22
Murata LQH43PN4R7NR0
1.2
8
3
5.0
0.90
30
Murata GRM32ER71A226KE20L
Toko DE4514C
Taiyo Yuden LMK316BJ226ML-T
Coilcraft LPS4018-472
(1)
All power levels are calculated at 1% THD unless otherwise noted
(2)
All values listed are for ceramic capacitors. The correction factor of 2 is included in the values.
Figure 1. TPA2014D1EVM Schematic
SLOU211 – May 2008
TPA2014D1EVM
5