Datasheet

LTC2990
18
2990fc
TYPICAL APPLICATIONS
High Voltage/Current and Temperature Monitoring
–
+
–INS
0.1μF
V
IN
5V TO 105V
0.1μF
470pF
ALL CAPACITORS ±20%
VOLTAGE, CURRENT AND TEMPERATURE CONFIGURATION:
CONTROL REGISTER: 0x58
T
AMB
REG 4, 5 0.0625°C/LSB
V
LOAD
REG 6, 7 13.2mVLSB
V2(I
LOAD
) REG 8, 9 1.223mA/LSB
T
REMOTE
REG A, B 0.0625°C/LSB
V
CC
REG E, F 2.5V + 305.18μV/LSB
MMBT3904
R
IN
20Ω
1%
I
LOAD
0A TO 10A
R
OUT
4.99k
1%
200k
1%
4.75k
1%
0.1μF
R
SENSE
1mΩ
1%
–INF
V
+
V
–
LTC6102HV
OUT
V
REG
+IN
V
CC
V1
LTC2990
2-WIRE
I
2
C
INTERFACE
5V
GND
SDA
SCL
ADR0
ADR1
V3
V4
V2
2990 TA02
0.1μF
470pF
MICROPROCESSOR
V
CC
V1
LTC2990
2-WIRE
I
2
C
INTERFACE
GND
SDA
SCL
ADR0
ADR1
V3
V4
V2
2990 TA03
10.0k
1%
10.0k
1%
10.0k
1%
3.3V
30.1k
1%
5V
12V
VOLTAGE, CURRENT AND TEMPERATURE CONFIGURATION:
CONTROL REGISTER: 0x58
T
AMB
REG 4, 5 0.0625°C/LSB
V1 (+5) REG 6, 7 0.61mVLSB
V2(+12) REG 8, 9 1.22mV/LSB
T
PROCESSOR
REG A, B 0.0625°C/LSB
V
CC
REG E, F 2.5V + 305.18μV/LSB
0.1μF
Computer Voltage and Temperature Monitoring
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