The TC07/620/621/622/623/624/ and 6501/

6502/6503/6504 are logic output temperature sensors.

Microchip’s logic output temperature sensor family offers

excellent temperature accuracy (±1°C typical) with a very

low operating current of less than 600µA. These devices

can replace mechanical switches in a variety of sensing

and control applications. The output is driven active when

the temperature crosses the temperature trip point.

applications spectrum: programmable hysteresis, remote

temperature sensing, dual temperature limit output,

externally set trip points, and TO-220 packaging for heat

sink temperature measurement.

High accuracy, low operating current, competitive features

and ease of use make these devices the ideal choice for

protecting electronic components that can be damaged by

exposure to high or low temperatures. Examples of heat-

sensitive applications are projectors, laptops, PCs,

servers, networking equipment, printers, power supplies,

Related Application Notes:

Logic Output Temperature Sensor Family

Typical Temperature VCC # of Pins/

Product Accuracy Range Range Max. IQFeatures Packages

TC07 ±1°C -40°C to +125°C 2.7V to 5.5V 300µA Programmable Hysteresis 8MS, 8SN

TC620 ±1°C -40°C to +125°C 4.5V to 18V 400µA Dual Trip-point 8P, 8SN

TC621 Note 1 -40°C to +85°C 4.5V to 18V 400µA Dual Trip-point, External Temperature 8P, 8SN

TC6503 ±0.5°C -55°C to +125°C 2.7V to 5.5V 40µA Cross to MAX6503, Open Drain 5CT

TC6504 ±0.5°C -55°C to +125°C 2.7V to 5.5V 40µA Cross to MAX6504, Push Pull 5CT

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respective owners. Information subject to change. ©2001 Microchip Technology Inc. Printed in the U.S.A. All rights reserved. DS21640A 6/01