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LTC4151CDD-PBF Datasheet(PDF) 1 Page - Linear Technology

Part # LTC4151CDD-PBF
Description  High Voltage I2C Current and Voltage Monitor
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC4151CDD-PBF Datasheet(HTML) 1 Page - Linear Technology

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LTC4151/LTC4151-1
1
41511fa
TYPICAL APPLICATION
FEATURES
APPLICATIONS
DESCRIPTION
High Voltage I2C Current
and Voltage Monitor
The LTC®4151 and LTC4151-1 are high side power
monitors that operate over a wide voltage range of 7V to
80V. In default operation mode, the onboard 12-bit ADC
continuously measures high side current, input voltage
and an external voltage. Data is reported through the I2C
interface when polled by a host. The monitors can also
perform on-demand measurement in a snapshot mode.
The LTC4151 features a dedicated shutdown pin to reduce
power consumption. The LTC4151-1 features split I2C
data pins with data in and an inverted data output to drive
optoisolators.
High Side Power Sensing with Onboard ADC and I2C
n Wide Operating Voltage Range: 7V to 80V
n 12-Bit Resolution for Both Current and Voltages
n I2C Interface
n Additional ADC Input Monitors an External Voltage
n Continuous Scan and Snapshot Modes
n Shutdown Mode (LTC4151) Reduces Quiescent
Current to 120μA
n Split SDA for Optoisolation (LTC4151-1)
n Tiny 10-Lead MSOP and 3mm
× 3mm DFN Packages
n Telecom Infrastructure
n Automotive
n Industrial
n Consumer
12-Bit ADC DNL and INL
41511 TA01
3.3V
0.02Ω
μCONTROLLER
LTC4151
SHDN
VIN
7V to 80V
VOUT
VIN
VDD
MEASURED
VOLTAGE
SCL
SDA
ADIN
ADR1
SCL
2k
2k
SDA
ADR0
GND
SENSE+ SENSE
CODE
0
0
0.5
4096
–0.5
–1.0
1024
2048
3072
1.0
41511 TA01b
CODE
0
0
0.5
4096
–0.5
–1.0
1024
2048
3072
1.0
41511 TA01c
L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.


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