LTC2945

34

Rev. C

For more information www.analog.com

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ANALOG DEVICES, INC. 2012-2022

02/22

www.analog.com

RELATED PARTS

TYPICAL APPLICATION

PART NUMBER DESCRIPTION

COMMENTS

LTC4151

High Voltage I2C Current and Voltage Monitor

7V to 80V Operation, 12-Bit Resolution with ±1.25% TUE

LT6105

Rail-to-Rail Input Current Sense Amplifier

Very Wide Input Common Mode Range, 2.85V to 36V Operation

LTC2450

Easy-to-Use, Ultra-Tiny 16-Bit ADC

GND to VCC Single-Ended Input Range, 0.02 LSB RMS Noise, 2 LSB INL

(No Missing Codes), 2 LSB Offset Error, 4 LSB Full-Scale Error

LTC4215

Single Channel, Hot Swap Controller with I2C Monitoring

8-Bit ADC, Adjustable Current Limit and Inrush, 2.9V to 15V Operation

LTC4222

Dual Channel, Hot Swap Controller with I2C Monitoring

10-Bit ADC, Adjustable Current Limit and Inrush, 2.9V to 29V Operation

LTC4260

Positive High Voltage Hot Swap Controller with I2C Monitoring 8-Bit ADC, Adjustable Current Limit and Inrush, 8.5V to 80V Operation

LTC4261

Negative High Voltage Hot Swap Controller with I2C Monitoring 10-Bit ADC, Floating Topology, Adjustable Inrush

LTC2940

Power and Current Monitor

Four-Quadrant Multiplication, ±5% Power Accuracy, 4V to 80V Operation

LTC2970

Dual I2C Power Supply Monitor and Margining Controller

14-Bit ADC with ±0.5% TUE, Dual 8-Bit DACs

LTC2974

Quad Digital Power Supply Manager with EEPROM

16-Bit ADC with ±0.25% TUE, Supervise/Sequence/Monitor/Margin/

Trim, Configuration/Fault Logging EEPROM, I2C, Supervise/Monitor

Current and Temperature

LTC2978

Octal Digital Power Supply Manager with EEPROM

16-Bit ADC with ±0.25% TUE, Supervise/Sequence/Monitor/Margin/

Trim, Configuration/Fault Logging EEPROM, I2C

Rail-to-Rail Bidirectional Current and Power Monitor

3.3V Input Supply Monitor with 12V VDD Input

V+

IN–

IN+

V–

LT6105

2.7V TO 5.9V

VOUT

VIN

0V TO 44V

SENSE+

SENSE–

ALERT

SCL

SDAI

ADIN

ADR0

ADR1

LTC2945

SDAO

INTVCC

VDD

RSNS

0.02

RIN1

1k

RIN2

1k

TO

LOAD

RADIN

20k

I2C

INTERFACE

2945 TA11

GND

FORWARD

SENSE+

∆SENSE

INTERNALLY GENERATED

USE EXTERNAL µP TO

MULTIPLY VOLTAGE (SENSE+)

AND CURRENT (ADIN) DATA

ADIN

SENSE+

1

VOLTAGE

DATA

CURRENT

DATA

POWER

DATA

CONTROL REG

A2

1

REVERSE

C2

0.1µF

R1

2k

R2

2k

R3

2k

VIN

3.3V

3.3V

12V

RSNS

0.02

VOUT

VDD

VADIN

VDD

ADR0

INTVCC

SENSE+

GND

GND

2945 TA12

SENSE–

LTC2945

ADR1

SCL

SCL

SDA

SDAI

SDAO

ADIN

ALERT

INT

µP