User manual

RE46C190 Demo Board User’s Guide
DS51970A-page 16 © 2011 Microchip Technology Inc.
A.2 BOARD SCHEMATIC - RE46C190 APPLICATION CIRCUIT AND SMOKE
CHAMBER REGULATOR
V
SS
IRED V
DD
TEST
TEST2 IRP IRN RLED
LX
V
BST
HS HB
IO
IRCAP
FEED
GLED
VBATc
IRCAPc IREDc
IRPc
IRNc
GND
3V
C1
1 nF
C2
4.7 μF
C3
1 μF
C4
100 μF
C5
33 μF
C6
10 μF
RED
D1
GREEN
D2
D3
D4
HORN
IC1
RE46C190
L1
10 μH
V
DD
GND
IO
V
BST
LX
HB
HS
TEST
FEED
GLED
IRCAP
RLED
TEST2
RLEDR
IRED
GLEDR
V
BAT
GND2
R1
330
R2
100
R3
330
R4
100
R5
1.5M
R6
220K
R7
10k
R8
100
0
R15
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