DC1484A - Schematic

5
4
3
2
1
REVISION HISTORY
D1
PDS540
R10
5.1K
1206
1
GND
2
18
22
14
27
SHDN
SW
13
24
TIMER
SW
12
28
ILIM
SW
38
36
RT
SW
7
23
GND
SW
11
6
GND
BOOST
5
SENSE
4
BAT
3
9
8
NTC
RNG/SS
1
35
C1
1uF
50V
0805
SW
GND
SW
31
37
GND
32
34
VIN
SW
PIN
R9
147k
15
CHRG
PIN
R11
20k
OPT
SW
26
21
C7
0.68uF
C13
0.68uF
SW
FAULT
25
PIN
R5
10K
3
3
JP2
ACPR
16
2
20
C/10
SW
17
PIN
2
CLP
19
1
1
2
JP1
E4
WURTH 744314650
GND
TIMER
C11
10uF
50V
1210
C3
10uF
50V
1210
L1
6.5uH
VIN
R2
5.1K
1206
R3
5.1K
1206
C6
10uF
50V
1210
D5
GRN
PIN
D3
RED
10
D4
GRN
ACPR
33
R7
64.9k
D6
CMHZ4697
10V
FAULT
PIN
CHRG
E2
SHDN
DATE
12-18-10
D
C12
10uF
50V
1210
29
RUN
APPROVED
K. SZOLUSHA
SYSTEM LOAD
30
R13
100k
+
R12
10k
C
DESCRIPTION
PRODUCTION FABRICATION
E3
VIN
C2
22uF
50V
20%
Q1
Si7611DN
4
R1
OPT
D
REV
-
0.015
1206
CLN
E1
VIN
12V - 32V
ECO
D2
C
CMPSH1-4
R4
0.024
1206
R8
0.05
1206
U1*
E5
C8
100uF
10V
1210
20%
C4
10uF
10V
0805
10%
C9
0.022uF
16V
BAT
VFLOAT*
4A
C10
0.022uF
16V
E6
GND
1
2
3
BAT
GND
NTC-EXT
J1
(OPT)
DF3-3P-2DSA
E7
B
B
NTC
E8
RNG / SS
R6
20k
*
C5
0.68uF
ASSY
U1
VFLOAT *
-A
LT3651EUHE - 8.4
8.4V
-B
LT3651EUHE - 8.2
8.2V
CUSTOMER NOTICE
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
A
NOTES: UNLESS OTHERWISE SPECIFIED
1. ALL RESISTORS ARE IN OHMS, 0402, 1%, 1/16W.
2. ALL CAPACITORS ARE IN MICROFARADS, 0402, 10%, 10V.
3. INSTALL SHUNTS ON JUMPERS AS SHOWN.
5
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
4
3
APPROVALS
TECHNOLOGY
PCB DES. NC
APP ENG.
K. SZOLUSHA
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
TITLE: SCHEMATIC
4A HIGH VOLTAGE 2 CELL LI-ION BATTERY CHARGER
SIZE
IC NO.
N/A
SCALE = NONE
2
DATE:
LT3651EUHE - 8.4 / - 8.2
DEMO CIRCUIT 1484A - A / B
12-18-10
REV.
4
SHEET 1
1
OF
1
A
Similar pages