TC6504

Features:

• 5-Pin SOT-23A
• Factory-programmed Thresholds from -45 to +125 in 10 Increments
• Pin Selectable +2or +10 Hysteresis
• ±0.5 (Typ) Threshold Accuracy Over Full Temperature Range
• No External Components Required
• 17 µA Supply Current (Typ)




Application

• Thermal Management in PCs and Servers
• Over-temperature Fail-safe Circuits
• Simple Fan Controller
• Temperature Alarms
• Projectors/Printers
• Notebook Computers
• Network Boxes




Pinout

Specifications

Parameter NameValueTypical Accuracy (°)0.5Max Input/ Supply Current (A)40Max. Accuracy @ 25° (°)4Temp. Range (°C)-55 to 135Operating Voltage Range (V)2.7 to 5.5Device DescriptionLogic Output Temp Sensor

Parameter Name	Value
Typical Accuracy (°)	0.5
Max Input/ Supply Current (A)	40
Max. Accuracy @ 25° (°)	4
Temp. Range (°C)	-55 to 135
Operating Voltage Range (V)	2.7 to 5.5
Device Description	Logic Output Temp Sensor

Supply Voltage (V_CC) ................................. -0.3V to +7V
Input Current (All Pins)..........................................20 mA
Output Current (All Pins) .......................................20 mA
Operating Temperature Range...............- 55 to +135
Storage Temperature Range...................- 65 to +165
T_OVER (TC6501)........................................... -0.3V to +7V
T_OVER (TC6502)............................. -0.3V to (V_CC + 0.3V)
T_UNDER (TC6503)........................................... -0.3V to 7V
T_UNDER (TC6504)........................... -0.3V to (V_CC + 0.3V)
All Other Pins ................................. -0.3V to (V_CC + 0.3V)
Maximum Junction Temperature, T_J ........................ 150
Power Dissipation (T_A = +70):
(Derate 7.1 mW/°C Above +70) .................570 mW

* 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.

Description

The TC6501 through TC6504 are SOT-23 temperature switches that require no external components and the design is facilitated with factory programmed temperature thresholds. A choice of factory-trimmed temperature trip points are available. Pin selectable hysteresis of +2°C or +10°C allows flexibility to the design. These parts typically consume only 17A of current and operate over the entire 55°C to +125°C temperature range while offering accuracies of ±0.5°C (typ) and ±4°C (max). The TC6501 and TC6503 offer an open drain, active low output, meant for microprocessor reset control. The TC6502 and TC6504 have a CMOS, active high output designed to drive a logic level MOSFET to turn on a fan or heater element. The TC6501/TC6502 are aimed for hot-temperature monitoring (+35C to +115C). These devices assert a logic signal when the temperature goes above the threshhold. The TC6503/TC6504 are aimed for cold-temperature monitoring (-45C to +15C). These devices assert a logic signal when the temperature goes below the threshhold. The TC6501 through TC6504 are offered in 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.