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TMP423 Datasheet(PDF) 1 Page - Texas Instruments |
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TMP423 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 38 page 5 V SCL GND SDA V+ SMBus Controller 8 5 7 6 TMP421-Q1 DXP DXN A1 A0 1 2 3 4 1 Channel Local 1 Channel Remote TMP422-Q1 DX1 DX2 DX3 DX4 1 2 3 4 1 Channel Local 2 Channels Remote TMP423-Q1 DXP1 DXP2 DXP3 DXN 1 2 3 4 1 Channel Local 3 Channels Remote Copyright © 2016, Texas Instruments Incorporated Product Folder Sample & Buy Technical Documents Tools & Software Support & Community 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. TMP421-Q1, TMP422-Q1, TMP423-Q1 SBOS821 – NOVEMBER 2016 TMP42x-Q1 ±1°C Remote and Local Temperature Sensor 1 1 Features 1 • AEC-Q100 Qualified with the Following Results – Temperature Grade 1: –40°C to +125°C – Device HBM ESD Classification Level 2 – Device CDM ESD Classification Level C5 • SOT23-8 Package • ±1°C Remote Diode Sensor (Maximum) • ±1.5°C Local Temperature Sensor (Maximum) • Series Resistance Cancellation • n-Factor Correction • Two-Wire I2C or SMBus™ Compatible Serial Interface • Multiple Interface Addresses • Diode Fault Detection • RoHS Compliant and No Sb/Br 2 Applications • Processor and FPGA Temperature Monitoring • LCD, DLP, and LCOS Projectors • Servers • Central Office Telecom Equipment • Storage Area Networks (SAN) 3 Description The TMP421-Q1, TMP422-Q1, and TMP423-Q1 devices are single, dual, and triple remote, automotive-qualified 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 field-programmable gate arrays (FPGAs). Remote accuracy is ±1°C for multiple device manufacturers, with no calibration needed. The two- wire serial interface accepts SMBus write byte, read byte, send byte, and receive byte commands to configure the device. The TMP421-Q1, TMP422-Q1, and TMP423-Q1 include series resistance cancellation, programmable non-ideality factor, wide remote temperature measurement range (up to +150°C), and diode fault detection. The TMP421-Q1, TMP422-Q1, and TMP423-Q1 are all available in an 8-pin SOT-23 package. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) TMP421-Q1 TMP422-Q1 TMP423-Q1 SOT-23 (8) 2.90 mm × 1.63 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. Diode Input Configurations for the TMP421-Q1, TMP422-Q1, and TMP423-Q1 |
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