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AN1
1
524
Al
l i
n
for
m
at
ion
pr
ovi
ded
in
this
do
cum
ent i
s
sub
jec
t to
leg
a
l d
is
c
la
im
er
s.
©
NXP
Se
mic
o
n
duc
tor
s
N.V
. 2015.
Al
l r
ig
h
ts
r
e
s
er
v
ed.
App
licat
ion
not
e
R
ev
. 1 —
17 Feb
ruary 2015
20 o
f 54
N
X
P Semi
conductor
s
AN1
1
524
NXQ1TXA6 Evalua
tion Boar
d
Fig 11. DC supply schematic
aaa-015891
+12V
VIN
BOOT
TP601
+3V3
SW
FB
COMP
2
1
3
5
6
7
8
4
9
EN
SS
GND
GNDPAD
1
2
1
2
J601
C601
10 μF
SJ601
SJ602
3
4
2
1
C602
10 μF
C603
100 nF
L601
WE_744273222
JP602
TAG_VOUT [7]
D
S
PWR_ON [1]
D601
BAT54C
JP601
R602
220 kΩ
R603
47 kΩ
R601
220 kΩ
C611
100 nF
T602
NX2020P1
R604
22 Ω
100 kΩ
T601
NX3008NBKW
SW601
SLIDE-SPDT
C604
4.7 μF
3
1
2
C605
100 nF
C606
100 nF
R605
L602
NR4012T100M
R607
24 kΩ
1 %
R608
75 kΩ
1 %
R606
6.8 kΩ
C608
3.3 nF
C609
22 μF
C610
100 nF
OPTION FOR LDO
(ALTERNATIVE FOR DC/DC)
TDA3663
U602
1
2
4
3 VOUT
GND
GND
GND
VIN
U601
C607
100 nF
RT8295A
