TC651 Microchip Technology Inc., TC651 Datasheet
TC651
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TC651 Summary of contents
Page 1
... TC650/TC651 also include a single trip point over- temperature alert (T additional temperature sensors. In addition, the TC651 features an auto fan shutdown function for additional power savings. The TC650/TC651 are easy to use, require no software overhead and are, therefore, the ideal choice for implementing thermal management in a variety of systems. Package Type ...
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... TC650/TC651 Typical Application Circuit ® PICmicro Microcontroller SHDN Control Overtemperature Alert DS21450C-page 2 + TC650 TC651 PWM DD C SLOW NC 2 GND SHDN OVER NC 4 GND 5 GND +12V DC Fan 500 mA GND 2004 Microchip Technology Inc. ...
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... mA from OH PWM to GND µ mA from OL PWM to GND Hz sec V Rises from GND DD or SHDN Released °C Note 1 °C (T – °C (T – °C TC651 Only 1.2 mA SOURCE 2.5 mA SINK °C At Trip Point °C DS21450C-page 3 ...
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... TC650/TC651 TEMPERATURE CHARACTERISTICS Electrical Specifications: Unless otherwise noted, V Parameters Temperature Ranges Specified Temperature Range Maximum Junction Temperature Storage Temperature Range Package Thermal Resistances Thermal Resistance, 8L-MSOP DS21450C-page 4 = 2.8V to 5.5V, SHDN = V DD Sym Min Typ Max T –40 — +125 A T — — +150 ...
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... I SOURCE FIGURE 2- OVER SOURCE (V – 2004 Microchip Technology Inc. = 2.8V to 5.5V, SHDN = – +125 FIGURE 2- FIGURE 2- – vs. TC650/TC651 3.0 2.5 2.0 1.5 1 5 2 THRESHOLD Temperature Accuracy vs. 1.0 0.9 0.8 0 2.8V DD ...
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... Fan Shutdown, Active-low Input During Shutdown mode, the chip still monitors temperature low if temperature rises above OVER factory set point. 3.3 Ground Ground return for all TC650/TC651 functions. DS21450C-page 6 Description 3.4 Overtemperature Alert Active-low output. 3.5 PWM Fan Drive Output Pulse width modulated rail-to-rail logic output. Nominal frequency is 15 Hz. ...
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... The TC651 will continue to be active in order to monitor temperature for T shutdown mode when the temperature rises above the factory set point (T ...
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... Depending on the TC65X device selected, H when the temperature is below the T PWM output will perform a different operation. For the TC650, the PWM will be driven at the minimum PWM frequency, while the TC651 will shut down the PWM (PWM = L). T and T can be selected in 5°C increments. T ...
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... PICmicro Microcontroller SHDN Control Overtemperature Alert FIGURE 5-1: Reducing Switching Noise. 2004 Microchip Technology Inc. Systems” + TC650 TC651 V 1 PWM SLOW NC 2 GND SHDN OVER NC 4 GND 5 GND TC650/TC651 +12V DC Fan 500 mA GND DS21450C-page 9 ...
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... TC650/TC651 6.0 PACKAGING INFORMATION 6.1 Package Marking Information 8-Lead MSOP XXXXX YWWNNN Legend: XX...X Customer specific information* Y Year code (last digit of calendar year) WW Week code (week of January 1 is week ‘01’) NNN Alphanumeric traceability code Note: In the event the full Microchip part number cannot be marked on one line, it will be carried over to the next line thus limiting the number of available characters for customer specific information ...
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... TYP. E1 .118 BSC D .118 BSC L .016 .024 .031 F .037 REF φ 0° - 8° c .003 .006 .009 B .009 .012 .016 5° α 5° - 15° 5° β 5° - 15° TC650/TC651 α A2 MILLIMETERS* MIN NOM MAX 8 0.65 BSC - - 1.10 0.75 0.85 0.95 0.00 - 0.15 4.90 BSC 3.00 BSC 3.00 BSC 0.40 0.60 0.80 0.95 REF 0° - 8° 0.08 - 0.23 0.22 - 0.40 5° ...
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... TC650/TC651 6.2 Product Tape and Reel Specifications FIGURE 6-1: EMBOSSED CARRIER DIMENSIONS Top Cover Tape K 0 TABLE 1: CARRIER TAPE/CAVITY DIMENSIONS Case Package Outline Type MS MSOP 8L FIGURE 1: MSOP DEVICES Pin 1 Standard Reel Component Orientation DS21450C-page Carrier Cavity Dimensions Dimensions ...
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... PART NO Device Temperature Temperature Threshold Range Limit Device: TC650: Temp Sensor & Brushless DC Fan Controller / Overtemperature Alert (minimum speed) TC651: Temp Sensor & Brushless DC Fan Controller / Overtemperature Alert (auto shutdown) Temperature Temperature T L Threshold Limit: Difference 10°C 15°C 20°C 30°C 1 ...
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... TC650/TC651 NOTES: DS21450C-page 14 2004 Microchip Technology Inc. ...
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... Use of Microchip’s products as critical components in life support systems is not authorized except with express written approval by Microchip. No licenses are conveyed, implicitly or otherwise, under any intellectual property rights. 2004 Microchip Technology Inc. Trademarks The Microchip name and logo, the Microchip logo, Accuron, dsPIC ...
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... Tel: 886-7-536-4816 Fax: 886-7-536-4817 Taiwan - Taipei Tel: 886-2-2500-6610 Fax: 886-2-2508-0102 Taiwan - Hsinchu Tel: 886-3-572-9526 Fax: 886-3-572-6459 2004 Microchip Technology Inc. EUROPE Austria - Weis Tel: 43-7242-2244-399 Fax: 43-7242-2244-393 Denmark - Ballerup Tel: 45-4420-9895 Fax: 45-4420-9910 France - Massy ...