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TMP303

ACTIVE

Factory Programmed Temperature Window Comparator

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Data sheet

TMP303

ACTIVE
Data sheet Order now

Product details

Setpoint type Factory Programmed Setpoint value (°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 current (typ) (µA) 3.5 Number of comparator channels 2 Features Built-in hysteresis Rating Catalog Interface type Switch
Setpoint type Factory Programmed Setpoint value (°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 current (typ) (µA) 3.5 Number of comparator channels 2 Features Built-in hysteresis Rating Catalog Interface type Switch
SOT-5X3 (DRL) 6 2.56 mm² (1.6 mm × 1.6 mm)
  • 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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Top documentation Type Title Format options Date
* Data sheet TMP303 Easy-to-Use, Low-Power, 1°C, Low-Supply Temperature Range Monitor In Micropackage datasheet (Rev. I) PDF | HTML Dec 21, 2018
Application note How to Design Alert Overtemperature and Undertemperature Systems PDF | HTML Mar 9, 2026
E-book E-book: An engineer’s guide to industrial robot designs Feb 12, 2020
Application brief How to Protect Battery Power Management Systems From Thermal Damage (Rev. A) Jan 9, 2019
Application brief Low-Power Battery Temperature Monitoring Mar 3, 2017

Design & development

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TMP303 IBIS MODEL

SLAM277.ZIP (50 KB) - IBIS model
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