Options for Price Comparison
Distributor Statistics for TC649EOA
Total in Stock: -
Lowest MOQ: -
Average Price: - per unit
Stocking Distributors: -
Loading...
Loading Results for TC649EOA
Details for TC649EOA by Microchip Technology
TC649
TC649EOA
Buy Directly from Microchip Technology Inc (5693 in stock) $1.4900
PWM FAN SPEED CONTROLLER WITH FANSENSE
TC649EOA image

TC649EOA by Microchip Technology

PWM FAN SPEED CONTROLLER WITH FANSENSE
Features
Temperature Proportional
Fan Speed for Acoustic Control and Longer Fan Life
Efficient PWM Fan Drive
3.0V to 5.5V Supply Range Fan Voltage Independent of TC649 Supply Voltage
Supports Any Fan Voltage!
Fault Detection Circuits Protect Against Fan Failure and Aid System Testing
Automatic Shutdown Mode for "Green" Systems
Supports Low Cost NTC/PTC Thermistors
Description
The TC649 is a switch mode fan speed controller for use with brushless DC motors. Temperature proportional speed control is accomplished using pulse width modulation(PWM). A thermistor (or other voltage output temperature sensor) connected to VIN furnishes the required control voltage of 1.25V to 2.65V (typical) for 0% to 100% PWM duty cycle. The TC649 automatically suspends fan operation when measured temperature (VIN) is below a user-programmed minimum setting (VAS). An integrated Start-Up Timer ensures reliable motor start-up at turn-on, coming out of Shutdown Mode, or following a transient fault. In normal fan operation, a pulse train is present at SENSE, Pin 5. A Missing-pulse Detector monitors this pin during fan operation. A stalled, open, or unconnected fan causes the TC649 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. See the Applications section for more information and system design guidelines. The TC649 is packaged in a space-saving 8-Pin PDIP, MSOP or a SOIC package and is available in the industrial temperature range.
Specifications
Device Description:
Fan Manager
Typical Accuracy (°C):
Depends on external thermistor
Max Accuracy @ 25°C (°C):
Depends on external thermistor
Temp. Range Max. (°C):
+85
Temp. Range. Min. (°C):
-40
Vcc Range Max. (V):
+5.5
Vcc Range Min. (V):
+3.0
Max. Supply Current (µA):
1000
Integrated temp Sensor:
True
PWMFreq:
Low
Fan Sense:
True
Auto Shutdown:
True
Temperature Range:
-40C to +85C
Alternate Descriptions
MOTOR DRIVER, PWM, 5mA, SOIC-8; Motor Type:PWM; No. of Outputs:1Outputs; Output Current:5mA; Output Voltage:4.4V; Driver Case Style:SOIC; No. of Pins:8Pins; Supply Voltage Min:3V; Supply Voltage Max:5.5V; Product Range:- RoHS Compliant: Yes Newark Electronics
PWM Fan Motor Speed Controller 8-Pin SOIC N Tube Avnet America
PWM FAN SPEED CONTROLLER WITH FANSENSE Microchip Technology Inc
Microchip TC649EOA PWM Controller, 34 Hz, 3 - 5.5 V, 8-Pin SOIC Allied Electronics & Automation
TC649 Series 3 to 5.5 V Surface Mount PWM Fan Speed Controller - SOIC-8 Future Electronics
Details for TC649EOA by Microchip Technology
TC649
TC649EOA
Buy Directly from Microchip Technology Inc (5693 in stock) $1.4900
PWM FAN SPEED CNTRL SD 8-SOIC
TC649EOA image

TC649EOA by Microchip Technology

PWM FAN SPEED CNTRL SD 8-SOIC
Features
3.0V to 5.5V Supply Range:
Automatic Shutdown Mode for u201cGreenu201d Syst
Efficient PWM Fan Drive
Fan Voltage Independent of TC649 Supply Voltage
FanSenseu2122 Fault Detection Circuits Protect Against Fan Failure and Aid System Testing
Supports any Fan Voltage
Part Information
TC649EOA image
RoHS Compliant
Description
The TC649 is a switch mode, fan speed controller for use with brushless DC fans. Temperature proportional speed control is accomplished using pulse width mod- ulation (PWM). A thermistor (or other voltage output temperature sensor) connected to the VIN input fur- nishes the required control voltage of 1.25V to 2.65V (typical) for 0% to 100% PWM duty cycle. The TC649 automatically suspends fan operation when measured temperature (VIN) is below a user programmed minimum setting (VAS). An integrated Start-up Timer ensures reliable motor start-up at turn-on, coming out of shutdown mode, auto-shutdown mode or following a transient fault. In normal fan operation, a pulse train is present at SENSE (Pin 5). The TC649 features Microchip Technology’s proprietary FanSenseTM technology for increasing system reliability. A missing pulse detector monitors this pin during fan operation. A stalled, open or unconnected fan causes the TC649 to trigger its Start-up Timer once. If the fault persists, the FAULT output goes low, and the device is latched in its shut- down mode. See Section 5.0, “Typical Applications”, for more information and system design guidelines. The TC649 is available in the 8-pin PDIP, SOIC and MSOP packages and is available in the industrial and extended commercial temperature ranges. SOIC/PDIP/MSOP 1 8 2 7 3 6 4 5 GND CF VIN VAS FAULT SENSE VDD
Specifications
Motor Type:
PWM
No. of Outputs:
1Outputs
Output Current:
5mA
Output Voltage:
4.4V
Driver Case Style:
SOIC
No. of Pins:
8Pins
Supply Voltage Min:
3V
Supply Voltage Max:
5.5V
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (15-Jan-2018)
Base Number:
649
Frequency:
30Hz
Input Current:
500µA
Operating Temperature Range:
-40°C to +85°C
Supply Voltage Range:
3V to 5.5V
Alternate Descriptions
MOTOR DRIVER, PWM, 5mA, SOIC-8; Motor Type:PWM; No. of Outputs:1Outputs; Output Current:5mA; Output Voltage:4.4V; Driver Case Style:SOIC; No. of Pins:8Pins; Supply Voltage Min:3V; Supply Voltage Max:5.5V; Product Range:- RoHS Compliant: Yes Newark Electronics
PWM Fan Motor Speed Controller 8-Pin SOIC N Tube Avnet America
PWM FAN SPEED CONTROLLER WITH FANSENSE Microchip Technology Inc
Microchip TC649EOA PWM Controller, 34 Hz, 3 - 5.5 V, 8-Pin SOIC Allied Electronics & Automation
TC649 Series 3 to 5.5 V Surface Mount PWM Fan Speed Controller - SOIC-8 Future Electronics