LTC2991 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC2991' PDF : 32 Pages View PDF
LTC2991
TYPICAL APPLICATIONS
Computer Voltage and Temperature Monitoring
12V
5V
3.3V
10k
1%
0.1µF
10k
1%
30.1k
1%
10k
1%
2-WIRE I2C
INTERFACE
VCC V1
V2
SDA
SCL
ADR0
ADR1
ADR2
V3
LTC2991
V4
GND V5 TO V8
4
MICROPROCESSOR
2991 TA03
OTHER APPS
VOLTAGE AND TEMPERATURE CONFIGURATION
CONTROL REGISTER: 0x06 0x0A
TAMBIENT
V1(+5)
REG 1A, 1B: 0.0625°C/LSB
REG 0A, 0B: 610µV/LSB
V2(+12)
REG 0C, 0D: 1.22mV/LSB
TPROCESSOR REG 0E, 0F: 0.0625°C/LSB
VCC
REG 1C, 1D: 2.5V + 305.18µV/LSB
Motor Protection/Regulation
MOTOR CONTROL VOLTAGE
0VDC TO 5VDC
0A TO ±2.2A
5V
LOADPWR = I • V
0.1Ω
1%
2-WIRE I2C
INTERFACE
VCC V1
V2
SDA
V3
SCL LTC2991
ADR0
ADR1
V4
ADR2
GND V5 TO V8
MMBT3904
TMOTOR
MOTOR
2991 TA04
TAMBIENT
4
OTHER APPS
VOLTAGE, CURRENT AND TEMPERATURE CONFIGURATION:
CONTROL REGISTER: 0x06: 0xA1
TAMBIENT
VMOTOR
IMOTOR
TMOTOR
VCC
REG 1A, 1B:
REG 0A, 0B:
REG 0C, 0D:
REG 1A, 1B:
REG 1C, 1D:
0.0625°C/LSB
305.18µV/LSB
190.75µA/LSB
0.0625°C/LSB
2.5V + 305.18µV/LSB
24
For more information www.linear.com/LTC2991
2991ff
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