Texas Instruments TMP411/TMP411-Q1 Remote Temperature Sensors
Texas Instruments TMP411/TMP411-Q1 Remote and Local Temperature Sensors are remote temperature sensor monitors with a built-in local temperature sensor. The remote temperature-sensor, diode-connected transistors are typically low-cost, NPN- or PNP-type transistors or diodes that are an integral part of microcontrollers, microprocessors, or FPGAs. Remote accuracy is ±1°C for multiple device manufacturers, with no calibration needed. The Texas Instruments TMP411 two-wire serial interface accepts SMBus write byte, read byte, send byte and receive byte commands to program the alarm thresholds and to read temperature data. The TMP411-Q1 devices are AEC-Q100 qualified for automotive applications.
Features
- ±1°C remote diode sensor
- ±1°C local temperature sensor
- Programmable non-ideality factor
- Series resistance cancellation
- Alert function
- Offset registers for system calibration
- Pin and registers compatible with ADT7461 and ADM1032
- Programmable resolution: 9 to 12 bits
- Programmable threshold limits
- Two-wire and SMBus serial interface
- Minimum and maximum temperature monitors
- Multiple interface addresses
- ALERT and THERM2 pin configuration
- Diode fault detection
Applications
- LCD, DLP, and LCOS projectors
- Servers
- Industrial controllers
- Central office telecom equipment
- Desktop and notebook computers
- Storage Area Networks (SAN)
- Industrial and medical equipment
- Processor and FPGA temperature monitoring
Functional Diagram
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Evaluation Module
Texas Instruments TMP411EVM Evaluation Module
Configured to evaluate the operation of the TMP411 ±1°C accurate remote temperature sensor monitor.