DC2156A - Schematic

1
2
3
4
5
REVISION HISTORY
SENSE+
SENSE-
E18
J1
1
3
5
VIN
EXTVDD
INTVCC
JP1
C1
0.1uF
200V
1206
VGPIO
R8
100k
R9
3.3k
2
R7
3.3k
2
R6
100k
J3
VOUT
VOUT
E3
5A, ADJ.
A
VDD
INTVCC
GPIO1
GPIO2
GPIO3
SDAO
SDAI
SCL
GND
E4
SENSE+
SENSEADR1
ADIN
ADRO
GND
CLKOUT
CLKIN
EP
16
15
14
13
12
11
10
9
R2
147k
6
4
2
Y1
1
17
D5
RED
1
D4
AMBER
1
D3
GRN
21
INTVCC
R5
3.3k
2
2
D2
GRN
B
05-28-14
U1
LTC2946IDE
1
2
3
4
5
6
7
8
C2
0.1uF
R4
100k
DATE
SAL H.
J4
INTVCC
R3
3.3k
APPROVED
R1
51
2
4
6
HD2X3-079
E2
E5
EXTVDD
4V - 100V
INTVCC E6
2.7V - 5.9V
DESCRIPTION
PRODUCTION
C3
36pF
2
ADR0
5
3
1
6
4
2
HIGH
FLOAT
LOW
JP2
HD2X3-079
C4
36pF
ADR1
5
3
1
E7
ADIN
E8
R10
3k
HIGH
FLOAT
LOW
GND
JP3
HD2X3-079
B
1
GND
2
J2
2
2010
D1
SMAT70A
E1
0V - 75V
REV
__
RSNS
0.02
VIN
1
VIN
A
ECO
E19
1
Q1
2N7002
3
JUMPER POSITIONS
GPIO1
(ACC) GPIO2
(ALERT) GPIO3
E10
E11
VPU
E12
VPU
3
E16
R12
OPT
E15
NOTES: UNLESS OTHERWISE SPECIFIED
E17
1. ALL RESISTORS ARE IN OHMS, 0603.
ALL CAPACITORS ARE IN MICROFARADS, 0603.
2. INSTALL SHUNTS AS SHOWN.
R17
5.1k
6
5
7
3
2
1
U2
24LC025-I /ST
4
SCL
SDA
WP
A2
A1
A0
8
GND
R16
5.1k
HD2X7-079-MOLEX
WP
EEGND
C5
0.1uF
REMOVE R14 TO SEPERATE SDAI AND SDAO
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.
3
TECHNOLOGY
KIM T.
SAL H.
N/A
SCALE = NONE
4
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
SIZE
NOTE: EEPROM FOR BOARD IDENTIFICATION
2
C
* DEFAULT
SCL
R15
5.1k
ADDRESS
CE
D0
D2
D4
D6
D8
DA
DC
DE*
VPU
DC590 I2C INTERFACE
J5
1
ADR1
LOW
HIGH
HIGH
FLOAT
LOW
HIGH
FLOAT
FLOAT
LOW
SDAO
13
8 GND
3 GND
GND
1
V+ 2
5V
6
CS 4
SCK/SCL 7
MOSI/SDA 5
MISO
10
EEVCC 9
EESDA 11
EESCL 12
EEGND 14
AUX
R14
0
VCC
TO DC590B
E14
SDAI
D6
BAT54C
2
C
R11
OPT
VGPIO
1
GND
E13
ARRAY
VPU
2.5V - 5.5V
EEPROM
GND
D
ADRO
HIGH
FLOAT
HIGH
FLOAT
FLOAT
LOW
HIGH
LOW
LOW
E9
DATE:
WIDE RANGE I2C POWER MONITOR
WITH ENERGY AND COULOMB METER
IC NO.
LTC2946IDE
DEMO CIRCUIT 2156A
05/28/2014, 05:25 PM
2
SHEET
5
REV.
1
OF
1
D
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