Datasheet

LTC2990
19
2990fc
TYPICAL APPLICATIONS
Large Motor Protection/Regulation
V
CC
V1
LTC2990
LOAD
PWR
*t7
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
Fan/Air Filter/Temperature Alarm
V
CC
V1
LTC2990
2-WIRE
I
2
C
INTERFACE
3.3V
GND
470pF
22Ω
0.125W
HEATER
NDS351AN
TEMPERATURE FOR:
HEATER ENABLE
GOOD FAN
BAD FAN
FAN
MMBT3904
MMBT3904
SDA
SCL
ADR0
ADR1
V3
V4
V2
2990 TA06
T
INTERNAL
HEATER ENABLE
2 SECOND PULSE
CONTROL REGISTER: 0x5D
T
AMB
REG 4, 5 0.0625°C/LSB
T
R1
REG 6, 7 0.0625°C/LSB
T
R2
REG A, B 0.0625°C/LSB
V
CC
REG E, F 2.5V + 305.18μV/LSB
470pF
3.3V
22Ω
0.125W
FAN
0.1μF