Microchip Technology ADM00344 Data Sheet
RE46C190 Demo Board User’s Guide
DS51970A-page 16
© 2011 Microchip Technology Inc.
A.2
BOARD SCHEMATIC - RE46C190 APPLICATION CIRCUIT AND SMOKE
CHAMBER REGULATOR
CHAMBER REGULATOR
V
SS
IR
E
D
V
DD
TEST
TE
ST2
IR
P
IR
N
RLED
LX
V
BST
HS
HB
IO
IRCAP
FEED
GLED
VBA
Tc
IRCAPc
IREDc
IRPc
IRNc
GND
3V
C1
1 n
F
C2
4.
7 μF
C3
1 μ
F
C4
100
μF
C5
33
μF
C6
10 μF
RED
D1
GREEN
D2
D3
D4
HO
RN
IC1
RE46
C190
L1
10
μH
V
DD
GN
D
IO
V
BST
LX
HB
HS
TEST
FEED
GLED
IR
CAP
RL
E
D
TEST2
RLEDR
IRED
GL
ED
R
V
BA
T
GND
2
R1
330
R2
10
0
R3
33
0
R4
100
R5
1.5M
R6
220K
R7
10k
R8
100
0
R1
5
0
R17
0
R18
0
R19
0
R20
Rv2
2K POT
SW1
SW2
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9