Datasheet > LTC4151

LTC4151

更新时间： 2023-12-20 18:46:08

品牌	Logo	应用领域
亚德诺 - ADI		监视器
页数	文件大小	规格书
18页	435K
描述
高电压 I2C 电流和电压监视器

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LTC4151 数据手册

LTC4151

High Voltage I C Current

and Voltage Monitor

FeaTures

DescripTion

The LTC^®4151 is a high side power monitor that operates

overawidevoltagerangeof7Vto80V.Indefaultoperation

mode, the onboard 12-bit ADC continuously measures

high side current, input voltage and an external voltage.

Wide Operating Voltage Range: 7V to 80V

12-Bit Resolution for Both Current and Voltages

I C Interface

Additional ADC Input Monitors an External Voltage

Continuous Scan and Snapshot Modes

Data is reported through the I C interface when polled

Shutdown Mode (LTC4151) Reduces Quiescent

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.

Current to 120µA

Split SDA for Opto-Isolation (LTC4151-1/LTC4151-2)

Available in 10-Lead MSOP, 10-Lead 3mm × 3mm

The LTC4151-1/LTC4151-2 feature split I C data pins to

drive opto-isolators. The data out on the LTC4151-1 is

inverted while that on the LTC4151-2 is not.

DFN and 16-Lead SO Packages

applicaTions

PART

PACKAGE

DD10, MS10

S16

FEATURED PIN

SHDN

LTC4151

LTC4151-1

LTC4151-2

–48V Telecom Infrastructure

Automotive

SDAO

Industrial

Consumer

SDAO

L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and

Hot Swap is a trademark of Linear Technology Corporation. All other trademarks are the

property of their respective owners.

12-Bit ADC DNL and INL

Typical applicaTion

1.0

0.5

High Side Power Sensing with Onboard ADC and I²C

3.3V

0.02Ω

7V TO 80V

–0.5

–1.0

OUT

–

SENSE SENSE

µCONTROLLER

SCL

SDA

SHDN

SCL

2048

3072

4096

1024

LTC4151

GND

CODE

4151 TA01b

SDA

ADR1

ADR0

1.0

0.5

GND

MEASURED

VOLTAGE

4151 TA01

ADIN

–0.5

–1.0

2048

3072

4096

1024

CODE

4151 TA01c

4151ff

For more information www.linear.com/LTC4151

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