
AN726
24 Rev. 0.1
R+
R-
L+
L-
P_Power
P_Power
P_Power
R+
R-
R+
R-
VIOHD
VIOHD
L-
L+
R-
R+
C27
2.2uF
C29
0.022uF
R+
L-
FB4
600 Ohm
L-_pin
L+_I
L3
3.3uH
L- P
J5
AUDIO JACK
1
3
2
Q1
NTR4170NT1G
C30
2.2uF
C31
0.022uF
L4
3.3uH
L-_I
JP1
R46
47K
R38
0
R- P
L+
R34
0
L5
3.3uH
R40
0
L+_pin
Q2
NTR4170NT1G
R47
47K
R+_I
R32
0
P_PWR
FB1
600 Ohm
R41
0
R+ N
J4
Analog Header
1
3
2
4
R-_pin
C26
0.022uF
R-
FB2
600 Ohm
LS1
Speaker
R48
0
M2
NTR4171PT1G
R+_pin
R-_I
L+ N
R31
0
C28
0.022uF
R35
0
FB3
600 Ohm
R37
0
L2
3.3uH
M1
NTR4171PT1G
Figure 26. Utility Class-D ToolStick Board Schematic (3 of 3)—Revision 1.0
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