Automotive grade, ±3°C temperature switch with pin selectable 10°C and 30°C hy


Product details


SetPoint type Resistor Programmable SetPoint value (deg C) 0 to 125 Operating temperature range (C) 0 to 125 Accuracy over temp range (Max) (C) 3 Output type Open Drain Supply voltage (Min) (V) 2.7 Supply voltage (Max) (V) 5.5 Supply current (Typ) (uA) 40 Comparator channels (#) 1 Features Built-in hysteresis Rating Automotive, Catalog Interface type Switch open-in-new Find other Temperature switches

Package | Pins | Size

SOT-23 (DBV) 5 5 mm² 2.9 x 1.6 open-in-new Find other Temperature switches


  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range
    • Device HBM ESD Classification Level 3A
    • Device CDM ESD Classification Level C6
  • Threshold Accuracy:
    • ±0.5°C Typical
    • ±3.5°C Maximum (60°C to 100°C)
  • Temperature Threshold Set By 1% External Resistor
  • Low Quiescent Current: 40 µA, Typical
  • Open-Drain, Active-Low Output Stage
  • Pin-Selectable 10°C or 30°C Hysteresis
  • Reset Operation Specified at VCC = 0.8 V
  • Supply Range: 2.7 V to 5.5 V
  • Package: 5-Pin SOT-23
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The TMP708-Q1 is a fully-integrated, resistor- programmable temperature switch with a temperature threshold that is set by just one external resistor within the entire operating range. The TMP708-Q1 provides an open-drain, active-low output and has a 2.7-V to 5.5-V supply voltage range.

The temperature threshold accuracy is typically ±0.5°C with a maximum of ±3.5 °C (60°C to 100°C). The quiescent current consumption is typically 40 µA. Hysteresis is pin-selectable to 10°C or 30°C.

The TMP708-Q1 is available in a 5-pin SOT-23 package.

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Technical documentation

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Type Title Date
* Data sheet TMP708-Q1 Automotive, Resistor-Programmable Temperature Switch in SOT Package datasheet Dec. 23, 2016
Technical article How to choose the right thermistor for your temperature sensing application Feb. 13, 2020
Technical article How to enable thermal safety for automotive infotainment and cluster systems Oct. 15, 2019
Technical article Driving industrial innovation with small-size sensors Sep. 12, 2019
Technical article How to select a temperature sensor probe Feb. 18, 2016
User guide TMP708/709EVM Evaluation Board and Software Tutorial Dec. 13, 2011

Design & development

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Hardware development

document-generic User guide
The TMP708EVM is a platform for evaluating the TMP708 Resistor Programmable Switch.
  • Pin Sockets allow convenient selection of Rset
  • LED Status Indicators
  • Optional Hysteresis Selection
  • 2.7V to 5.5V operation
  • CAD/CAE symbols

    Package Pins Download
    SOT-23 (DBV) 5 View options

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