DC1812A - Schematic

5
4
3
2
1
REVISION HISTORY
ECO
REV
__
SENSE+
BAT54C +5V
2
E3
GND
APPROVED
DATE
PRODUCTION
S. AFZAL
09-18-13
SENSE-
RSENSE
0.1
E1
V_CHRG/LD
D
3
DESCRIPTION
E2
V_BAT
1206
C3
1uF
1206
U1
E4
*
*
D
GND
SEE OPTION TABLE
R5
1K
1
D2
7
E6
SCL
SCL
5
1
SDA
AL LED
CC PB
C
+5V
GND
E5
+5V
E9
J1
HD2X7-079-MOLEX
U2
24LC025-I /ST
1
2
C2
0.1uF
6
CS 4
SCK/SCL 7
MOSI/SDA 5
MISO
10
EEVCC 9
EESDA 11
EESCL 12
EEGND 14
AUX
1
2
3
4
A0
VCC
A1
WP
A2
SCL
VSS
SDA
R7
4.99K
8
R6
4.99K
R8
4.99K
7
B
6
WP
5
VSS
13
8
3
GND
GND
GND
B
6
S1
PANASONIC-EVQPE105K
E8
V+
5V
ALCC
C
CC
AL / CC
AL / CC
2
D1
AL
(RED)
1
2
3
8
2
JP1
SENSE-
GND
4
E7
SDA
SENSE+
GND
R9
10K
3
R4
10K
EXPAD
R3
10K
9
R2
10K
1
GND
3
A
*
U1
V-BAT
ASSY
-A LTC2943CDD 0-20V
-B
LTC2944CDD 0-60V
NOTE: UNLESS OTHERWISE SPECIFIED
1. ALL RESISTORS AND CAPACITORS ARE 0603
5
CUSTOMER NOTICE
APPROVALS
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO PCB DES.
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APP ENG.
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.
4
3
TECHNOLOGY
LT
LEO C.
SCALE = NONE
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
MULTICELL BATTERY GAS GAUGE WITH
TEMPERATURE, VOLTAGE AND CURRENT MEASUREMENT
SIZE
IC NO.
REV.
LTC294XCDD
N/A
3
DEMO CIRCUIT 1812A
DATE:
Wednesday, September 18, 2013
2
SHEET 1
1
OF 1
A
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