Microchip Technology ARD00558, User Manual

Page: 22 / 33

MCP1632
Si
ngle-Cel
l Li
-Ion Bat
tery
Char
g
e
r
Demo Boar
d User
’s
Gui
d
e
DS5
0002321A-p
age 22

20
14 M
ic
rochip
T
e
chnology
In
c.
A.2 BOARD – SCHEMATIC
VEXT 6
COMP
1
CS 3
GND
5
SS
8
FB
2
EN
4
VI
N
7
U2
MCP1632
R4
2.7k
R10
0.1
R9
6.8k
C3
4.7u
C4
4.7u
C2
1u
C10
10n
C8
47p
GND GND GND GND
D
G
S
Q1
D1
2A/40V
GND GND
12
Term Block 2Pin 2.54mm
J1
GND
GND
R7
40k
C9
470n
GND GND
TP1
TP3
GND
TP2
C11
DNP
GND
C7
10u/25V
GND
C5
10u
GND
1
3
L1A
2
4
L1B
C6
10u/50V
GND
R1
100k
R11
0.1 GND
OP
AMP
-
R2
680k
R6
470k
GND
VOUT
PWM
VDD
1
RA5
2
RA4
3
MCLR/VPP/RA3
4
RA2 5
RA1 6
RA0 7
VSS 8
U4
GND
PWM
VOUT
1 2 3 4 5
J3
10k
R14
C14
100p
GND
5V
5V
TP5
GND
C1
1u
GND
1
2
J2
+A
3
-A
4
OUTA 1
VSS
VDD
2
5
U3
OPAMP-
R13
10k
R12
100k
C12
4.7n
R15
10k
C13 100p
GND GND
R3
39k
R5
91k
VS
EN
SE
VS
EN
SE
1
4
2
3
5
SHI
EL
D
SPST
SW1
GND
1 2
RED
LD1
820
R17
GND
ISENSE
EN
GND
5V
ISE
N
SE
EN
GND
1
VOUT
2
VIN 3
U1
10k
R16
GND
TP4
GND
R8
DNP
GND
1N4148
D2