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DEMO MANUAL DC101
SMART BATTERY CHARGER
SCHE ATIC DIAGRA
WW
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
GND
SW
BOOST
GND
GND
UV
GND
OVP
CLP
CLN
COMP1
SENSE
GND
GND
V
CC1
V
CC2
V
CC3
PROG
V
C
UV
OUT
GND
COMP2
BAT
SPIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
MCLR
–
RA0/AN0
RA1/AN1
RA2/AN2
RA3/AN3
RA4
RA5/AN4
V
SS
OSC1
OSC2
RCO
CCP2
CCP1
SCL
RB7
RB6
RB5
RB4
RB3
RB2
RB1
RB0/INT
V
DD
V
SS
RC7
RC6
RC5
SDA
U2
LT1511
C11
10µF
25V
Q4
MMBT3904LT1
C4
1µF
25V
C3
33µF
25V
Q1
2N7002LT1
Q3
2N7002LT1
C10
10µF
25V
C5
1µF
25V
C8
0.1µF
C2
10µF
10V
C9
0.47µF
25V
D5
MBRS340T3
D3
MBRS340T3
L1
20µH
E1
E2
D4
BAS16LT1
R10
0.05Ω
1/2W
C9
0.1µF
24V
2A
J2
CENTER POST
IS POSITIVE
C16
100pF
50V
R20
200Ω
1/10W
1%
R2
301Ω
1/10W
1%
R18
1k
1/10W
1%
5V
BOLD LINES INDICATE HIGH CURRENT PATHS
R3
1k
1/10W
1%
R24
10k
5%
R15
21.5k
1/10W
0.1%
R23
22Ω
R8
0.033Ω
1/2W
5V
R19
200Ω
1/10W
1%
R14
330Ω
R13
143k
1/10W
0.1%
C7
0.015µF
25V
5%
C6
0.047µF
D6
BAS16LT1
C12
10µF
25V
J1
AMP-787441-1
SMART BATTERY
CONNECTOR
C18
10µF
10V
TP1 TP2 TP3 TP4 TP5
C20
10µF
25V
+
R12
100k
1/10W
0.1%
(+)
(+)
CLK
CLK
DATA
DATA
(T)
(T)
(–)
(–)
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
R11
510Ω
R16
3.32k
1/10W
1%
R17
1.05k
1/10W
1%
V
OUT
V
IN
2
DC IN
13
5V
4
GND
U3
LT1129IST-5
TAB
+
C17
0.1µF
Q2
2N7002LT1
UNLESS OTHERWISE SPECIFIED:
1. ALL RESISTANCES ARE IN OHMS, 1/10W, 5%
2. ALL CAPACITANCES ARE IN MICROFARADS, 50V, 10%
C14
33pF
SHUTDOWN
R4
3.32k
1%
U1
PIC16C73-20PS
CHARGER
ADJUSTMENT RANGE
PWM1: 3FFh = 22.4V
000h = 6V
PWM2:3FFh = 4.1A
000h = 0A
C15
33pF
Y1
4MHz
R7
3.32k
1%
5V
JPR1
RESET
C1
0.1µF
R26
10k
R5
330Ω
D1
RED
(SMB)
S1
5V
RESET
R6
330Ω
D2
GRN
(µP)
E3
DC OUT
E4
R1
3.32k
1/10W
1%
R9
100k
R21
22k
5%
5V
R25
22k
5%
5V
E5
DC101 SD
E6
E7
SMBCLK
SMBDATA
INT
R22
22k
5%
5V
Smart Battery Charger with SMBus Interface