OMO ElectronicOMO Electronic
Expand menu
Hello, Sign inMy Account
0 Cart

LTC2946CDE-1#TRPBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39P40-P42
LTC2946
34
2946fa
For more information www.linear.com/LTC2946
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
1µF
MOCD207M
MOCD207M
NC = NO CONNECT
2946 TA03
ADR0
ADR1
ADIN
SCL
V
DD
INTV
CC
SDAI
SDAO
GPIO3
ALERT
SENSE
–
GND
SENSE
+
LTC2946
V
EE
–48V INPUT
R7
0.47k
R3
1k
–48V
RTN
R4
1k
V
OUT
CA[4:3] = 01, SEE TABLE 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
0.1µF
Bidirectional Power Monitor with Energy and Charge Monitor in Forward Path
C2
0.1µF
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
INTV
CC
SDAI
SDAO
GPIO1
ALERT
ADR1
SENSE
+
ACCUMULATE
SENSE
–
LTC2946
µP
GPIO3
CLKOUT
GND
GPIO2
R4
2k
3.3V
CLKIN
2946 TA10
ADIN
C4
33pF
X1: ABLS-4.000MHz-B2-T
POWER FOR REVERSE PATH = CODE
ADIN
× CODE
VDD
TO BE PERFORMED BY µP
CA[7] = 1, SEE TABLE 3
X1
LTC2946
35
2946fa
For more information www.linear.com/LTC2946
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
0.1µF
SCL
V
DD
V
OUT1
V
IN1
24V
INTV
CC
SDAI
GND
LTC2946
R5
3.9Ω
SDAO
GPIO2
GPIO3
GPIO1
GP02A
GP01A
ADR1
ADR0
ADIN
SENSE
+
SENSE
–
R
SNS1
0.02Ω
C1
1µF
D1
BAT54
V
CC
GND
HCPL-063L
HCPL-063L
2946 TA07
C3
0.1µF
SCL
V
DD
V
OUT2
KEEP
SHORT!
V
IN2
48V
INTV
CC
SDAI
GND
LTC2946
R1
33.2k
R2
18.2k
SDAO
GPIO2
GPIO3
GPIO1
GP02B
NC
GP01B
ADR1
ADR0
ADIN
SENSE
+
SENSE
–
R
SNS2
0.02Ω
C4
1µF
D2
BAT54
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
ALERT
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 LTC2946s VIA I
2
C
V
IN2
V
5VGEN
R18
10k
REDGP02B
RED: V
IN2
OVERLOAD
R17
100k
V
IN2
V
5VGEN
R16
10k
GREENGPO1B
GREEN: V
IN2
OK
R15
100k
V
IN1
V
5VGEN
R14
4.7k
REDGPO2A
RED: V
IN1
OVERLOAD
R13
100k
V
IN1
V
5VGEN
V
5VGEN
R6
4.7k
GREENGPO1A
GREEN: V
IN1
OK
R5
100k
LTC2946
36
2946fa
For more information www.linear.com/LTC2946
V
CC
GND
R
SHUNT
2 × 5k IN SERIES
C1
1µF
HCPL-063L
V
EE
V
EE
HCPL-063L
2946 TA05
ADR0
ADR1
SCL
V
DD
INTV
CC
FAN ON
OUTPUT
TEMP
MONITOR
INPUT
SDAI
SDAO
ADIN
SENSE
–
GND
SENSE
+
LTC2946
C3, 33pF
C4, 33pF
V
CC
GND
–48V
RTN
V
EE
–48V INPUT
R7
0.47k
R2
1k
R1
1k
V
OUT
C2
1µF
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
PZTA42
D1
1N4148WS
R4
1k
R3
0.47k
R5
732k
R6
15k
GPIO3
CLKOUT
GPIO1
GPIO2
CLKIN
ALERT
X1: ABLS-4.000MHz-B2-T
CA[4:3] = 10, SEE TABLE 3
X1
TYPICAL APPLICATIONS
Power, Charge and Energy Monitor in –48V Harsh Environment Using INTV
CC
Shunt Regulator to Tolerate 200V Transients
Power, Charge and Energy Monitor for Main Supply and Power Monitor for Secondary Supply with Single LTC2946
C2
0.1µF
V
IN1
0V TO 100V
V
IN2
2.7V TO 5.8V
CA[7] = 1, SEE TABLE 3
POWER FOR SECONDARY SUPPLY = 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
ALERT
SENSE
+
ACCUMULATE
SENSE
–
LTC2946
µP
GPIO3
CLKOUT
GPIO2
R4
2k
3.3V
CLKIN
2946 TA06
INTV
CC
ADIN
R
SNS
0.25Ω
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39P40-P42

LTC2946CDE-1#TRPBF

Mfr. #:
Buy LTC2946CDE-1#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