LTC2990 Просмотр технического описания (PDF) - Linear Technology

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LTC2990

I2C Temperature, Voltage and Current Monitor

Linear Technology 

Typical ApplicationS

Motor Protection/Regulation

MOTOR CONTROL VOLTAGE

0VDC TO 5VDC

0A TO ±2.2A

5V

0.1µF

LOADPWR = I • V

0.1Ω

1%

2-WIRE

I2C

INTERFACE

VCC V1

V2

SDA

V3

SCL LTC2990

ADR0

ADR1 GND

V4

MMBT3904

470pF

TMOTOR

MOTOR

TINTERNAL

2990 TA04

CURRENT AND TEMPERATURE CONFIGURATION:

CONTROL REGISTER: 0x59

TAMB

IMOTOR

TMOTOR

VCC

REG 4, 5

REG 6, 7

REG A, B

REG E, F

0.0625°C/LSB

194µA/LSB

0.0625°C/LSB

2.5V + 305.18µV/LSB

VOLTAGE AND TEMPERATURE CONFIGURATION:

CONTROL REGISTER: 0x58

TAMB

VMOTOR

TMOTOR

VCC

REG 4, 5

REG 8, 9

REG A, B

REG E, F

0.0625°C/LSB

305.18µVLSB

0.0625°C/LSB

2.5V + 305.18µV/LSB

LTC2990

Large Motor Protection/Regulation

MOTOR CONTROL VOLTAGE

0V TO 40V

0A TO 10A

LOADPWR = I • V

0.1Ω

1W, 1%

71.5k

1%

71.5k

1%

10.2k

1%

5V

0.1µF

10.2k

1%

2-WIRE

I2C

INTERFACE

VCC

V1 V2

SDA

V3

SCL LTC2990

ADR0

ADR1 GND

V4

MMBT3904

470pF

TMOTOR

MOTOR

TINTERNAL

2990 TA05

VOLTAGE AND TEMPERATURE CONFIGURATION:

CONTROL REGISTER: 0x58

TAMB

VMOTOR

TMOTOR

VCC

REG 4, 5

REG 8, 9

REG A, B

REG E, F

0.0625°C/LSB

2.44mVLSB

0.0625°C/LSB

2.5V + 305.18µV/LSB

CURRENT AND TEMPERATURE CONFIGURATION:

CONTROL REGISTER: 0x59

TAMB

IMOTOR

TMOTOR

VCC

REG 4, 5

REG 6, 7

REG A, B

REG E, F

0.0625°C/LSB

1.56mA/LSB

0.0625°C/LSB

2.5V + 305.18µV/LSB

2990f

19

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