Details, datasheet, quote on part number: TC653ACVUA
CategorySensors => Temperature Sensors => Fan Controllers/Fan Fault Detectors
TitleFan Controllers/Fan Fault Detectors
DescriptionThe TC652/653 Are Integrated Temperature Sensors And Brushless DC Fan Speed Controllers With FanSense™ Technology
CompanyMicrochip Technology, Inc.
DatasheetDownload TC653ACVUA datasheet
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Features, Applications

Integrated Temperature Sensor & Brushless DC Fan Controller with FanSenseTM Detect & Over-Temperature


Integrated Temperature Sensing and Multi-speed Fan Control FanSenseTM Fan Fault Detect Circuitry Built-in Over-Temperature Alert (TOVER) Temperature Proportional Fan Speed Control for Acoustic Noise Reduction and Longer Fan Life Pulse Width Modulation Output Drive for Cost and Power Savings Solid-State Temperature Sensing ±1°C (Typical) Accuracy from ­ 5.5V Operating Range TC653 includes Auto Fan Shutdown Low Operating Current: 50µA (Typical)

The TC652/TC653 are integrated temperature sensors and brushless DC fan speed controllers with FanSenseTM technology. The TC652/TC653 measure their junction temperature and control the speed of the fan based on that temperature, making them especially suited for applications in modern electronic equipment. The FanSenseTM Fan Fault detect circuitry eliminates the need for a more expensive 3-wire fan. Temperature data is converted from the on-chip thermal sensing element and translated into a fractional fan speed from 100%. A temperature selection guide in the data sheet is used to choose the low and high temperature limits to control the fan. The TC652/TC653 also include a single trip point over temperature alert (TOVER) that eliminates the need for 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.


Thermal Protection For Personal Computers Digital Set-Top Boxes Notebook Computers Data Communications Power Supplies Projectors

Part Number TC652XXVUA TC653XXVUA Package 8-Pin MSOP 8-Pin MSOP Temperature Range to +125°C

The "X" denotes a suffix for temperature threshold settings. Contact factory for other temperature ranges.

+12V DC Fan 300mA Max. 1k 1 VDD 2 FAULT 3 SHDN 4 GND PWM 8 GND 7 TOVER 6 SENSE 5 CSENSE GND SHDN Control Fan Fault Alert µController Over-Temp Alert RSENSE 2 FanSenseTM 0.01µF

*Stresses above those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions above those indicated in the operation sections of the specifications is not implied. Exposure to Absolute Maximum Rating conditions for extended periods may affect device reliability.

Input Voltage (VDD to GND)................................... +6V Output Voltage (OUT to GND)................................. 6V Voltage On Any Pin....... (GND 0.3V) to (VDD + 0.3V) Package Thermal Resistance (JA 250°C/W Operating Temperature Range......... to +125°C Storage Temperature......................... to +150°C

Electrical Characteristics: VDD to 5.5V, SHDN = VDD, to 125°C unless otherwise specified. Symbol VDD IDD SHDN Input VIH VIL PWM Output VOL VOH tR tF fOUT tSTARTUP VTH (SENSE) PWM Output Low Voltage PWM Output High Voltage PWM Rise Time PWM Fall Time PWM Frequency Start-up Time Sense Input VDD 0.3 V µsec Hz sec mV VDD Rises from GND, or SHDN Released Sense Input Threshold Voltage with Repect to Ground ISINK = 1mA ISOURCE = 5mA IOH 5mA, 1nF from PWM to GND IOL 1mA, 1nF from PWM to GND SHDN Input High Threshold SHDN Input Low Threshold 65 15 %VDD Parameter Supply Voltage Supply Current Min 2.8 Typ. 50 Max 5.5 90 Units V µA PWM, FAULT, TOVER are open Test Conditions


High Temperature Accuracy Temp. Range Accuracy Auto-shutdown Hysteresis
FAULT Output High Voltage FAULT Output Low Voltage Missing Pulse Detector Time-out
TOVER Output High Voltage TOVER Output Low Voltage Absolute Accuracy Trip Point Hysteresis


Related products with the same datasheet
Some Part number from the same manufacture Microchip Technology, Inc.
TC653ADVUA The TC652/653 Are Integrated Temperature Sensors And Brushless DC Fan Speed Controllers With FanSense™ Technology
TC654 The TC654 is a Dual PWM Mode Fan Speed Controller With Fansense TM Technology For Use With Brush-less DC Motors
TC664 The TC664 is a Single PWM Mode Fan Speed Controller With Fansense TM Technology For Use With Brush-less DC Motors
TC670 The TC670 is an Integrated Fan Speed Sensor That Predicts And/or Detects Fan Failure, Preventing Thermal Damage to Systems With Cooling Fans
TC7106 The TC7106A And TC7107A 3-1/2 Digit Direct-display Drive Analog-to-digital Converters Allow Existing 7106/7107 Based Systems to be Upgraded
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TC7116 The TC7116A/TC7117A Are 3-1/2 Digit CMOS Analog-to-digital Converters (ADCs)containing All The Active Components Necessary to Construct a 0
TC7126 The TC7126A is a 3-1/2 Digit CMOS Analog-to-digital Converter (ADC)containing All The Active Components Necessary to Construct a 0

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