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TC6501 Dataheets PDF



Part Number TC6501
Manufacturers Microchip Technology
Logo Microchip Technology
Description (TC6501 - TC6504) Ultra Small Temperature Switches with Pin Selectable Hysteresis
Datasheet TC6501 DatasheetTC6501 Datasheet (PDF)

M Features • 5-Pin SOT-23A • Factory-programmed Thresholds from -45°C to +125°C in 10°C Increments • Pin Selectable +2°C or +10°C Hysteresis • ±0.5°C (Typ) Threshold Accuracy Over Full Temperature Range • No External Components Required • 17 µA Supply Current (Typ) TC6501/2/3/4 General Description The TC6501/2/3/4 are SOT-23 temperature switches that require no external components and are available with factory-programmed temperature thresholds. A choice of factory-trimmed temperature trip poin.

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M Features • 5-Pin SOT-23A • Factory-programmed Thresholds from -45°C to +125°C in 10°C Increments • Pin Selectable +2°C or +10°C Hysteresis • ±0.5°C (Typ) Threshold Accuracy Over Full Temperature Range • No External Components Required • 17 µA Supply Current (Typ) TC6501/2/3/4 General Description The TC6501/2/3/4 are SOT-23 temperature switches that require no external components and are available with factory-programmed temperature thresholds. A choice of factory-trimmed temperature trip points are also available. Pin-selectable hysteresis of +2°C or +10°C allows flexibility to the design of the application. These parts typically consume only 17 µA of current and operate over the entire -55°C to +135°C temperature range, while offering accuracies of ±0.5°C (typ). The TC6501 and TC6503 have an open-drain, activelow output, which targets microcontroller reset control. The TC6502 and TC6504 have a CMOS, active-high output designed to drive the logic level MOSFET that turns on a fan or heater element. The TC6501/TC6502 are designed for hot temperature monitoring (+35°C to +125°C). These devices assert a logic signal when the temperature goes above the threshold. The TC6503/TC6504 are optimized for cold temperature monitoring (-45°C to +15°C) and assert a logic signal when the temperature goes below the threshold. The TC6501/2/3/4 are offered with five standard temperature thresholds. Available in 5-Pin SOT-23A packages, these parts are ideal for applications requiring high integration, small size, low power and low installed cost. Ultra Small Temperature Switches with Pin Selectable Hysteresis Applications • • • • • • • Thermal Management in PCs and Servers Over-temperature Fail-safe Circuits Simple Fan Controller Temperature Alarms Projectors/Printers Notebook Computers Network Boxes Package Types TOVER TC6501 TOVER TC6502 GND 1 GND 2 TC6501 TC6502 5 Functional Block Diagram HYST 3 4 VCC 100 pF GND 1 GND 2 TC6503 TC6504 5 TUNDER TC6503 TUNDER TC6504 VCC VCC +2.7V to +5.5V TC6502 TOVER GND GNDHYST PICmicro® Microcontroller INT GND HYST 3 4 VCC Note: 5-Pin SOT-23A is equivalent to EIAJ SC-74A  2004 Microchip Technology Inc. DS21451D-page 1 TC6501/2/3/4 1.0 ELECTRICAL CHARACTERISTICS * Notice: Stresses above those listed under “Maximum Ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of the specifications is not implied. Exposure to maximum rating conditions for extended periods may affect device reliability. Absolute Maximum Ratings* Supply Voltage (VCC) .............................. -0.3V to +7V Input Current (All Pins).......................................20 mA Output Current (All Pins) ....................................20 mA Operating Temperature Range.......... - 55°C to +135°C Storage Temperature Range ............. - 65°C to +165°C TOVER (TC6501)............................


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