Expand menu
Hello, Sign in
My Account
0
Cart
Home
Products
Sensors
Semiconductors
Passive Components
Connectors
Power
Electromechanical
Optoelectronics
Circuit Protection
Integrated Circuits - ICs
Main Products
Manufacturers
Blog
Services
About OMO
About Us
Contact Us
Check Stock
LTC2946HDE#TRPBF
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
P22-P24
P25-P27
P28-P30
P31-P33
P34-P36
P37-P39
P40-P42
LT
C
2946
34
2946fa
For more information
www
.linear
.com/L
TC2946
TYPICAL
APPLICATIONS
Power, Charge and Energy Monitoring in –48V System Using Low Side Sensing (1.5kHz I
2
C Interface)
V
EE
V
EE
V
EE
C1
1µ
F
MOCD207M
MOCD207M
NC = NO CONNECT
2946 TA03
ADR0
ADR1
ADIN
SCL
V
DD
INT
V
CC
SDAI
SDAO
GPIO3
ALER
T
SENSE
–
GND
SENSE
+
L
TC2946
V
EE
–48V INPUT
R7
0.47k
R3
1k
–
48V
RT
N
R4
1k
V
OUT
CA[4:3] = 01, SEE T
ABLE 3
R8
0.47k
R9
10k
R10
10k
R11
10k
3.3V
R
SNS
0.02Ω
V
DD
GND
µP
SCL
SDA
INT
R1
20k
R2
20k
NC
GPIO1
GPIO2
CLKIN
CLKOUT
R6
12.1k
R12
12.1k
R5
681k
C2
0.1
µF
Bidirectional Power Monitor with Energy and Charge Monitor in For
ward Path
C2
0.1
µF
C3
33pF
V
IN
2.7V TO 5.8V
R
SNS
0.2Ω
V
OUT
0.5A
GP OUTPUT
R1
2k
R2
2k
R3
2k
3.3V
V
DD
SCL
SDA
INT
GND
ADR0
SCL
V
DD
INT
V
CC
SDAI
SDAO
GPIO1
ALER
T
ADR1
SENSE
+
ACCUMULA
TE
SENSE
–
L
TC2946
µP
GPIO3
CLKOUT
GND
GPIO2
R4
2k
3.3V
CLKIN
2946 TA10
ADIN
C4
33pF
X1: ABLS-4.000MHz-B2-T
POWER FOR REVERSE P
A
TH = CODE
ADIN
× CODE
VDD
TO BE PERFORMED BY µP
CA[7] = 1, SEE T
ABLE 3
X1
LT
C
2946
35
2946fa
For more information
www
.linear
.com/L
TC2946
TYPICAL
APPLICATIONS
Dual Power, Charge and Energy Monitor Using Single Opto-Coupler for Galvanic Isolation
and Blocking Diodes for Data Retention When Either Supply Fails
C2
0.1
µF
SCL
V
DD
V
OUT1
V
IN1
24V
INT
V
CC
SDAI
GND
L
TC2946
R5
3.9Ω
SDAO
GPIO2
GPIO3
GPIO1
GP02A
GP01A
ADR1
ADR0
ADIN
SENSE
+
SENSE
–
R
SNS1
0.02Ω
C1
1µ
F
D1
BA
T54
V
CC
GND
HCPL-063L
HCPL-063L
2946 TA07
C3
0.1
µF
SCL
V
DD
V
OUT2
KEEP
SHOR
T!
V
IN2
48V
INT
V
CC
SDAI
GND
L
TC2946
R1
33.2k
R2
18.2k
SDAO
GPIO2
GPIO3
GPIO1
GP02B
NC
GP01B
ADR1
ADR0
ADIN
SENSE
+
SENSE
–
R
SNS2
0.02Ω
C4
1µ
F
D2
BA
T54
V
CC
GND
R8
0.47k
R9
0.47k
R10
10k
R11
10k
R12
10k
3.3V
3.3V
V
DD
GND
µP
SCL
SDA
X1
INT
R3
1k
R4
1k
ALER
T
C4
0.22µF
X1: ABLS-4.000MHz-B2-T
R7
1k
R6
1k
C5
33pF
V
5VGEN
CLKOUT
CLKIN
C6
33pF
CLKOUT
CLKIN
GPO1A, GPO2A, GPO1B AND GPO2B ARE CONTROLLED BY MICROPROCESSOR WRITING COMMANDS TO L
TC2946s VIA I
2
C
V
IN2
V
5VGEN
R18
10k
RED
GP02B
RED: V
IN2
OVERLOAD
R17
100k
V
IN2
V
5VGEN
R16
10k
GREEN
GPO1B
GREEN: V
IN2
OK
R15
100k
V
IN1
V
5VGEN
R14
4.7k
RED
GPO2A
RED: V
IN1
OVERLOAD
R13
100k
V
IN1
V
5VGEN
V
5VGEN
R6
4.7k
GREEN
GPO1A
GREEN: V
IN1
OK
R5
100k
LT
C
2946
36
2946fa
For more information
www
.linear
.com/L
TC2946
V
CC
GND
R
SHUNT
2
×
5k IN SERIES
C1
1µ
F
HCPL-063L
V
EE
V
EE
HCPL-063L
2946 TA05
ADR0
ADR1
SCL
V
DD
INT
V
CC
F
AN ON
OUTPUT
TEMP
MONITOR
INPUT
SDAI
SDAO
ADIN
SENSE
–
GND
SENSE
+
L
TC2946
C3, 33pF
C4, 33pF
V
CC
GND
–48V
RT
N
V
EE
–48V INPUT
R7
0.47k
R2
1k
R1
1k
V
OUT
C2
1µ
F
R8
0.47k
R9
1k
R10
1k
R11
10k
3.3V
3.3V
R
SNS
0.02Ω
V
DD
GND
µP
SCL
SDA
INT
R12
100Ω
Q1
PZT
A42
D1
1N4148WS
R4
1k
R3
0.47k
R5
732k
R6
15k
GPIO3
CLKOUT
GPIO1
GPIO2
CLKIN
ALER
T
X1: ABLS-4.000MHz-B2-T
CA[4:3] = 10, SEE T
ABLE 3
X1
TYPICAL
APPLICATIONS
Power, Charge and Energy Monitor in –48V Harsh Environment Using INT
V
CC
Shunt Regulator to T
olerate 200V T
ransients
Power, Charge and Energy Monitor for Main Supply and Power Monitor for Secondary Supply with Single LTC2946
C2
0.1
µF
V
IN1
0V TO 100V
V
IN2
2.7V TO 5.8V
CA[7] = 1, SEE T
ABLE 3
POWER FOR SECONDAR
Y SUPPL
Y = CODE
ADIN
× CODE
VDD
. TO BE PERFORMED BY µP
V
OUT2
0.5A (8-BIT)
V
OUT1
5A
R
SNS1
0.02Ω
NC
GP OUTPUT
R1
2k
R2
2k
R3
2k
3.3V
V
DD
SCL
SDA
INT
GND
ADR1
SCL
ADR0
V
DD
GND
SDAI
SDAO
GPIO1
ALER
T
SENSE
+
ACCUMULA
TE
SENSE
–
L
TC2946
µP
GPIO3
CLKOUT
GPIO2
R4
2k
3.3V
CLKIN
2946 TA06
INT
V
CC
ADIN
R
SNS
0.25Ω
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
P22-P24
P25-P27
P28-P30
P31-P33
P34-P36
P37-P39
P40-P42
LTC2946HDE#TRPBF
Mfr. #:
Buy LTC2946HDE#TRPBF
Manufacturer:
Analog Devices Inc.
Description:
Current Sense Amplifiers Wide Rng I2C Pwr, Ch & Energy Mon
Lifecycle:
New from this manufacturer.
Delivery:
DHL
FedEx
Ups
TNT
EMS
Payment:
T/T
Paypal
Visa
MoneyGram
Western
Union
Products related to this Datasheet
LTC2946IMS#PBF
LTC2946HDE#PBF
LTC2946HMS#PBF
LTC2946CDE-1#PBF
LTC2946IMS-1#PBF
LTC2946IDE#PBF
LTC2946HMS-1#PBF
LTC2946CMS#PBF
LTC2946CMS-1#PBF
LTC2946CMS-1#TRPBF
LTC2946CDE#TRPBF
LTC2946CMS#TRPBF
LTC2946CDE-1#TRPBF
LTC2946IMS#TRPBF
LTC2946IDE#TRPBF
LTC2946IMS-1#TRPBF
LTC2946IDE-1#TRPBF
LTC2946HMS-1#TRPBF
LTC2946HDE#TRPBF
LTC2946HMS#TRPBF
LTC2946HDE-1#TRPBF
LTC2946MPMS-1#TRPBF
LTC2946MPMS#TRPBF