TC653 Microchip Technology Inc., TC653 Datasheet
TC653
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TC653 Summary of contents
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... TC652/TC653 also include a single trip point over temperature alert (T additional temperature sensors. In addition, the TC653 includes an auto fan shutdown function for additional power savings. The TC652/TC653 are easy to use, require no software overhead and are therefore the ideal choice for implementing thermal management in a variety of systems. 25 ...
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... TC652/TC653 Typical Application Diagram + GND DS21453B-page 2 +12V DC Fan TC652 300mA TC653 PWM DD 2 FAULT GND 7 FanSense™ SHDN OVER 0.01µF SENSE GND SENSE R Over-Temp SHDN Control Alert Fan Fault Alert µController Max. SENSE 2Ω 2002 Microchip Technology Inc. ...
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... Input Voltage (V to GND) ................................... +6V DD Output Voltage (OUT to GND) ................................. 6V Voltage On Any Pin ....... (GND – 0.3V Package Thermal Resistance (θ Operating Temperature Range ......... -40°C to +125°C Storage Temperature ......................... -65°C to +150°C TC652/TC653 ELECTRICAL SPECIFICATIONS Electrical Characteristics 2.8V to 5.5V, SHDN = V DD Symbol Parameter V Supply Voltage DD I ...
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... SHDN Fan Shutdown, Active-Low Input. During Shutdown mode the chip still monitors temperature and T 4 GND Ground return for all TC652/TC653 functions. 5 SENSE Detect Fan Pulses Input. Pulses are detected at this pin as fan rotation chops the current through the sense resistor, R ...
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... TC652/ TC653 to trigger its Start-up Timer once. If the FAULT persists, the FAULT output goes low, and the device is latched in its Shutdown mode. To release the fan from shutdown, toggle the SHDN or V pin ...
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... PWM is low and the fan is automatically shut off (Auto- shutdown mode). This feature is ideal for notebook computers and other portable applications that need to conserve as much battery power as possible and thus run a fan when it is only absolutely needed. The TC653 . SENSE will continue to be active monitor temperature for T ...
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... You would order the part number TC652AEVUA. As another example, suppose you wanted the fan to turn on at 30°C and go to full speed at 45°C. You would order the part number TC653BEVUA. 2002 Microchip Technology Inc. © 4.0 TYPICAL APPLICATIONS 4 ...
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... FAULT 25˚C SOURCE 1.0 0 2.8V 0.8 DD 0.7 0.6 0 5.5V DD 0.4 0.3 0.2 0.1 0 (mA) SOURCE TC653, Fan is Not Running SHDN is Connected 25˚ 5.0 0 5.0 0.0 PWM 5.0 FAULT 0 1sec/Div 2002 Microchip Technology Inc. © ...
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... Microchip Technology Inc. © User Direction of Feed P Standard Reel Component Orientation for TR Suffix Device Pitch (P) Part Per Full Reel 2500 PIN 1 .197 (5.00) .122 (3.10) .114 (2.90) .189 (4.80) .043 (1.10) 6° MAX. MAX. .028 (0.70) .016 (0.40) Dimensions: inches (mm) TC652/TC653 W Reel Size 13 in .008 (0.20) .005 (0.13) DS21453B-page 9 ...
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... TC652/TC653 NOTES: DS21453B-page 10 2002 Microchip Technology Inc. © ...
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... The Microchip Worldwide Site (www.microchip.com) Please specify which device, revision of silicon and Data Sheet (include Literature #) you are using. New Customer Notification System Register on our web site (www.microchip.com/cn) to receive the most current information on our products. 2002 Microchip Technology Inc. © TC652/TC653 DS21453B-page 11 ...
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... TC652/TC653 NOTES: DS21453B-page 12 2002 Microchip Technology Inc. © ...
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... Microchip. No licenses are con- veyed, implicitly or otherwise, under any intellectual property rights. 2002 Microchip Technology Inc. © TC652/TC653 Trademarks The Microchip name and logo, the Microchip logo, FilterLab microID, MPLAB, PIC, PICmicro, PICMASTER, ...
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... Palazzo Taurus Colleoni 1 20041 Agrate Brianza Milan, Italy Tel: 39-039-65791-1 Fax: 39-039-6899883 United Kingdom Microchip Ltd. 505 Eskdale Road Winnersh Triangle Wokingham Berkshire, England RG41 5TU Tel: 44 118 921 5869 Fax: 44-118 921-5820 04/20/ 2002 Microchip Technology Inc. © ...