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TMP451AQDQFRQ1 数据表(PDF) 1 Page - Texas Instruments |
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TMP451AQDQFRQ1 数据表(HTML) 1 Page - Texas Instruments |
1 / 34 page DXP DXN SCL SDA THERM GND V+ ALERT / THERM2 Processor or ASIC SMBus Controller 1 2 3 4 5 8 7 6 TMP451-Q1 1.7V to 3.6V 1.7V to 3.6V Built-in Thermal Transistor/Diode Overtemperature Shutdown Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TMP451-Q1 SLOS877 – OCTOBER 2014 TMP451-Q1 ±1°C Remote and Local Temperature Sensor with η-Factor and Offset Correction, Series-Resistance Cancellation, and Programmable Digital Filter 1 Features 3 Description The TMP451-Q1 device is a high-accuracy, low- 1 • Qualified for Automotive Applications power remote temperature sensor monitor with a • AEC-Q100 Qualified With the Following Results: built-in local temperature sensor. The remote – Device Temperature Grade 1: –40°C to 125°C temperature sensors are typically low-cost discrete Ambient Operating Temperature Range NPN or PNP transistors, or substrate thermal transistors or diodes that are integral parts of – Device HBM ESD Classification Level 2 microprocessors, microcontrollers, or FPGAs. The – Device CDM ESD Classification Level C4B temperature is represented as a 12-bit digital code for • ±1°C Accuracy for Local and Remote Diode both the local and the remote sensors, giving a Sensors resolution of 0.0625°C. The temperature accuracy is ±1°C (maximum) in the typical operating range for the • 0.0625°C Resolution for Local and Remote local and the remote temperature sensors. The two- Channels wire serial interface accepts the SMBus • 1.7-V to 3.6-V Supply and Logic Voltage Range communication protocol. • 27-µA Operating Current, 3-µA Shutdown Current Advanced features such as series resistance • Series Resistance Cancellation cancellation, programmable nonideality factor ( η- • η-Factor and Offset Correction factor), programmable offset, programmable temperature limits, and a programmable digital filter • Programmable Digital Filter are combined to provide a robust thermal monitoring • Diode Fault Detection solution with improved accuracy and noise immunity. • Two-Wire and SMBus™ Serial Interface The TMP451-Q1 device is ideal for multi-location, • 8-Lead WSON (WDFN) Package high-accuracy temperature measurements in a variety of automotive sub-systems. The device is 2 Applications specified for operation over a supply voltage range of 1.7 V to 3.6 V and a temperature range of –40°C to • Automotive Infotainment Systems 125°C. • ECU Processor Temperature Monitoring • TCM Processor Temperature Monitoring Device Information(1) • BCM Processor Temperature Monitoring PART NUMBER PACKAGE BODY SIZE (NOM) TMP451-Q1 WSON (8) 2.00 mm × 2.00 mm • LED Headlight Thermal Control (1) For all available packages, see the orderable addendum at the end of the datasheet. 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
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