8
dc2043bfb
DEMO MANUAL DC2043B
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa-
tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
SCHEMATIC DIAGRAM
TERM1
TERM2
EN
MODE
0
0
SD
TIMER
1
1
EN
CONT.
BOOST
BATX
BATY
OVFLT
UVFLT
BAL
DONE
PTCFLT
3.3V - 5.5V
VEXT
VEXT_RTN
CTOFF
CTON
CTBAT
VL
VH
ISET
2.5V
VREG
ON
OFF
OFF
OFF
ON
0
0
0
1
1
11
TERM1
TERM2
0
± 12.5mV
± 25mV
±50mV
TERMINATION VOLTAGE
± 100mV
BATTERY BEING BALANCED
BATTERY 1
BATTERY 2
BATTERY 3
BATTERY 4
ON
OFF
ON
BATX LED
BATY LED
NOTES: UNLESS OTHERWISE SPECIFIED
1. ALL RESISTORS ARE IN OHMS, 0402, 1%, 1/16W.
3. INSTALL SHUNTS ON JUMPERS AS SHOWN.
2. ALL CAPACITORS ARE IN MICROFARADS, 0805, 20%, 25V.
BATY
BATX
PTCFLT
DONE
BAL
UVFLT
OVFLT
0805
CP
CM
0805
REVISION HISTORY
ECO
REV
DESCRIPTION
APPROVED
DATE
-
1
PROTOTYPE
BAT4_KF
BAT2_KF
BAT1_KF
GND_KF
NG9
NG8
NG7
NG6
NG5
NG4
NG3
NG2
NG1
AUXN_KF
AUXP_KF
BAT4F
BAT3_KF
GND_KF
DATE:
IC NO.
SHEET
OF
TITLE: DEMO CIRCUIT SCHEMATIC,
APPROVALS
PCB DES.
APP ENG.
Fax: (408)434-0507
Milpitas, CA 95035 Phone: (408)432-1900
1630 McCarthy Blvd.
LTC Confidential-For Customer Use Only
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.
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
SCALE = NONE
www.linear.com
SIZE:
SKU NO.
SCHEMATIC NO. AND REVISION:
PCA BOM:
PCA ASS'Y:
2
1
N/A
NC
WT
LTC3305-FE
LEAD ACID BATTERY BALANCER
DC2043B
700-DC2043B_REV01
710-DC2043B_REV01
705-DC2043B_REV01
Thursday, November 17, 2016
DATE:
IC NO.
SHEET
OF
TITLE: DEMO CIRCUIT SCHEMATIC,
APPROVALS
PCB DES.
APP ENG.
Fax: (408)434-0507
Milpitas, CA 95035 Phone: (408)432-1900
1630 McCarthy Blvd.
LTC Confidential-For Customer Use Only
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.
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
SCALE = NONE
www.linear.com
SIZE:
SKU NO.
SCHEMATIC NO. AND REVISION:
PCA BOM:
PCA ASS'Y:
2
1
N/A
NC
WT
LTC3305-FE
LEAD ACID BATTERY BALANCER
DC2043B
700-DC2043B_REV01
710-DC2043B_REV01
705-DC2043B_REV01
Thursday, November 17, 2016
DATE:
IC NO.
SHEET
OF
TITLE: DEMO CIRCUIT SCHEMATIC,
APPROVALS
PCB DES.
APP ENG.
Fax: (408)434-0507
Milpitas, CA 95035 Phone: (408)432-1900
1630 McCarthy Blvd.
LTC Confidential-For Customer Use Only
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.
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
SCALE = NONE
www.linear.com
SIZE:
SKU NO.
SCHEMATIC NO. AND REVISION:
PCA BOM:
PCA ASS'Y:
2
1
N/A
NC
WT
LTC3305-FE
LEAD ACID BATTERY BALANCER
DC2043B
700-DC2043B_REV01
710-DC2043B_REV01
705-DC2043B_REV01
Thursday, November 17, 2016
TP4
E5
R33 1.82M
E15
U1
LTC3305-FE
MODE
35
CP
37
CM
38
BOOST
1
V4
2
V3
3
AUXP
4
AUXN
5
V2
6
V1
7
NG1
8
NG2
9
NG3
10
NG4
11
NG5
12
NG6
13
NG7
14
NG8
15
NC
36
NG9
16
BATX
17
BATY
18
OVFLT
19
UVFLT
20
BAL
21
DONE
22
PTCFLT
23
CTBAT
26
CTON
25
CTOF
F
24
VL
27
VH
28
ISET
29
VREG
30
TER
M2
31
TER
M1
32
EN2
33
EN1
34
GND
39
E6
R41 2k
C12 10uF 1206
E16
R42 2k
D7 RED
D8
GREEN
E7
R36
100k
C13 10uF 1206
D1
CMMSH1-100
G
TP3
D101
CMMSH1-20G TR
R35 249 1206
TP18
C6 10uF 1206
D2
CMMSH1-100
G
R19 665 1210
TP14
E1
R26 1k
C14 10uF 1206
TP17
TP15
R20 12.1k
C9
0.01uF
5%
50V
0805
TP2
C11
4.7uF
R34 665 1210
R37 2k
C5
10uF 1206
JP4
R28 1k
C17 1uF 0603 16V
E2
D100
CMMSH1-20G TR
C15 10uF 1206
R25 1k
R29 1k
D3 RED
R30 1.82M
R38 2k
C7 0.033uF 50V 5%
E3
TP1
JP1
C16
10uF 1206
Q1
CMPDM8120
R22 28.7k
R24 1k
R39 2k
D9
GREEN
TP16
R31 1.82M
C8
0.01uF
5%
50V
0805
D4 GREEN
JP2
R21 46.4k
R40 2k
R43 2k
D5 GREEN
E4
R27 1k
R32 1.82M
E17
R23 1k
D6 RED
JP3
VREG
GND_KF
BAL
VEXT
GND_KF
