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| 型号： | LTC4151IS-2#PBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16 |
| 封装： | 0.150 INCH, LEAD FREE, PLASTIC, SOP-16 |
| 文件页数： | 1/18页 |
| 文件大小： | 476K |
| 代理商： | LTC4151IS-2#PBF |
LTC4151
1
4151fc
TYPICAL APPLICATION
FEATURES
APPLICATIONS
DESCRIPTION
High Voltage I2C Current
and Voltage Monitor
The LTC4151 is a high side power monitor that operates
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 LTC4151 can also perform on-demand
measurement in a snapshot mode. The LTC4151 features
a dedicated shutdown pin to reduce power consumption.
The LTC4151-1/LTC4151-2 feature split I2C data pins to
drive opto-isolators. The data out on the LTC4151-1 is
inverted while that on the LTC4151-2 is not.
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 120A
n
Split SDA for Opto-Isolation (LTC4151-1/LTC4151-2)
n
Available in 10-Lead MSOP, 10-Lead 3mm
× 3mm
DFN and 16-Lead SO Packages
n
Telecom Infrastructure
n
Automotive
n
Industrial
n
Consumer
12-Bit ADC DNL and INL
4151 TA01
3.3V
0.02
CONTROLLER
LTC4151
SHDN
VIN
7V to 80V
VOUT
VIN
VDD
MEASURED
VOLTAGE
SCL
SDA
ADIN
ADR1
SCL
2k
SDA
ADR0
GND
SENSE+ SENSE–
CODE
0
ADC
DNL
(LSB)
0
0.5
4096
–0.5
–1.0
1024
2048
3072
1.0
4151 TA01b
CODE
0
ADC
INL
(LSB)
0
0.5
4096
–0.5
–1.0
1024
2048
3072
1.0
4151 TA01c
PART
PACKAGE
FEATURED PIN
LTC4151
DD10, MS10
SHDN
LTC4151-1
DD10, MS10
SDAO
LTC4151-2
S16
SDAO
L
, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. All other trademarks are the property of their respective owners.
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