LTC2990
20
2990fe
For more information www.linear.com/LTC2990
Typical applicaTions
Large Motor Protection/Regulation
V
CC
V1
LTC2990
LOAD
PWR
= I • V
0.01Ω
1W, 1%
MOTOR CONTROL VOLTAGE
0V TO 40V
0A TO 10A
2-WIRE
I
2
C
INTERFACE
5V
71.5k
1%
71.5k
1%
10.2k
1%
10.2k
1%
GND
470pF
T
MOTOR
MMBT3904
SDA
SCL
ADR0
ADR1
V3
V4
V2
2990 TA05
MOTOR
T
INTERNAL
VOLTAGE AND TEMPERATURE CONFIGURATION:
CONTROL REGISTER: 0x58
T
AMB
REG 4, 5 0.0625°C/LSB
V
MOTOR
REG 8, 9 2.44mVLSB
T
MOTOR
REG A, B 0.0625°C/LSB
V
CC
REG E, F 2.5V + 305.18µV/LSB
CURRENT AND TEMPERATURE CONFIGURATION:
CONTROL REGISTER: 0x59
T
AMB
REG 4, 5 0.0625°C/LSB
I
MOTOR
REG 6, 7 15.54mA/LSB
T
MOTOR
REG A, B 0.0625°C/LSB
V
CC
REG E, F 2.5V + 305.18µV/LSB
0.1µF
Motor Protection/Regulation
V
CC
V1
LTC2990
LOAD
PWR
= I • V
0.1Ω
1%
MOTOR CONTROL VOLTAGE
0V
DC
TO 5V
DC
0A TO ±2.2A
2-WIRE
I
2
C
INTERFACE
5V
GND
470pF
T
MOTOR
MMBT3904
SDA
SCL
ADR0
ADR1
V3
V4
V2
2990 TA04
MOTOR
T
INTERNAL
CURRENT AND TEMPERATURE CONFIGURATION:
CONTROL REGISTER: 0x59
T
AMB
REG 4, 5 0.0625°C/LSB
I
MOTOR
REG 6, 7 194µA/LSB
T
MOTOR
REG A, B 0.0625°C/LSB
V
CC
REG E, F 2.5V + 305.18µV/LSB
VOLTAGE AND TEMPERATURE CONFIGURATION:
CONTROL REGISTER: 0x58
T
AMB
REG 4, 5 0.0625°C/LSB
V
MOTOR
REG 8, 9 305.18µVLSB
T
MOTOR
REG A, B 0.0625°C/LSB
V
CC
REG E, F 2.5V + 305.18µV/LSB
0.1µF
