TC6501

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 int...