Product details

SetPoint type Factory Programmed SetPoint value (deg C) -20, -15, 0, 55, 60, 70, 80, 90, 125 Operating temperature range (C) -40 to 125 Accuracy over temp range (Max) (C) 1 Output type Push Pull Supply voltage (Min) (V) 1.4 Supply voltage (Max) (V) 3.6 Supply current (Typ) (uA) 3.5 Comparator channels (#) 2 Features Built-in hysteresis Rating Catalog Interface type Switch
SetPoint type Factory Programmed SetPoint value (deg C) -20, -15, 0, 55, 60, 70, 80, 90, 125 Operating temperature range (C) -40 to 125 Accuracy over temp range (Max) (C) 1 Output type Push Pull Supply voltage (Min) (V) 1.4 Supply voltage (Max) (V) 3.6 Supply current (Typ) (uA) 3.5 Comparator channels (#) 2 Features Built-in hysteresis Rating Catalog Interface type Switch
SOT-5X3 (DRL) 6 SOT-5X3 (DRL) 6 2 mm² 1.65 x 1.2
  • Low Power: 5 µA (Maximum)
  • SOT-563 Package: 1.60 × 1.60 × 0.6 mm
  • Trip Point Accuracy:
    • ±0.2°C (Typical) from –40°C to 125°C
  • Push-Pull Output
  • Selectable Hysteresis: 1/2/5/10°C
  • Supply Voltage Range: 1.4 V to 3.6 V
  • Low Power: 5 µA (Maximum)
  • SOT-563 Package: 1.60 × 1.60 × 0.6 mm
  • Trip Point Accuracy:
    • ±0.2°C (Typical) from –40°C to 125°C
  • Push-Pull Output
  • Selectable Hysteresis: 1/2/5/10°C
  • Supply Voltage Range: 1.4 V to 3.6 V

The TMP303 devices are temperature range monitors that offer design flexibility through an extra small footprint (SOT-563), low power (5 µA maximum) and low supply voltage capability (as low as 1.4 V).

These devices require no additional components for operation; each can function independent of microprocessors or microcontrollers.

There are seven trip points available see Device Options. Trip points can be programmed at the factory to any desired temperature. For applications that require different values, contact your local TI representative.

The OUT pin is a push-pull, active-high output. When the measured temperature is beyond the trip point range, and the Set Output High (SOH) pin is low, the OUT pin is high. The SOH pin is an input pin with an internal pulldown resistor. When the SOH pin is forced high, the OUT pin goes high regardless of the measured temperature.

The TMP303 devices are temperature range monitors that offer design flexibility through an extra small footprint (SOT-563), low power (5 µA maximum) and low supply voltage capability (as low as 1.4 V).

These devices require no additional components for operation; each can function independent of microprocessors or microcontrollers.

There are seven trip points available see Device Options. Trip points can be programmed at the factory to any desired temperature. For applications that require different values, contact your local TI representative.

The OUT pin is a push-pull, active-high output. When the measured temperature is beyond the trip point range, and the Set Output High (SOH) pin is low, the OUT pin is high. The SOH pin is an input pin with an internal pulldown resistor. When the SOH pin is forced high, the OUT pin goes high regardless of the measured temperature.

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Technical documentation

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Type Title Date
* Data sheet TMP303 Easy-to-Use, Low-Power, 1°C, Low-Supply Temperature Range Monitor In Micropackage datasheet (Rev. I) PDF | HTML 21 Dec 2018
E-book Ein Techniker-Leitfaden für Industrieroboter-Designs 25 Mar 2020
Technical article How to choose the right thermistor for your temperature sensing application 13 Feb 2020
E-book E-book: An engineer’s guide to industrial robot designs 12 Feb 2020
Technical article How to enable thermal safety for automotive infotainment and cluster systems 15 Oct 2019
Technical article Driving industrial innovation with small-size sensors 12 Sep 2019
Application note How to Protect Battery Power Management Systems From Thermal Damage (Rev. A) 09 Jan 2019
Application note Low-Power Battery Temperature Monitoring 03 Mar 2017
Technical article How to select a temperature sensor probe 18 Feb 2016

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

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Simulation model

TMP303 IBIS MODEL TMP303 IBIS MODEL

Reference designs

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SOT-5X3 (DRL) 6 View options

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