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Part Manufacturer Description Datasheet Download Buy Part
LTC1840CGN#PBF Linear Technology LTC1840 - Dual Fan Controller with 2-Wire Interface; Package: SSOP; Pins: 16; Temperature Range: 0°C to 70°C
LTC1840CGN Linear Technology LTC1840 - Dual Fan Controller with 2-Wire Interface; Package: SSOP; Pins: 16; Temperature Range: 0°C to 70°C
LTC1695CS5 Linear Technology LTC1695 - SMBus/I2C Fan Speed Controller in SOT-23; Package: SOT; Pins: 5; Temperature Range: 0°C to 70°C
LTC1840IGN Linear Technology LTC1840 - Dual Fan Controller with 2-Wire Interface; Package: SSOP; Pins: 16; Temperature Range: -40°C to 85°C
LTC1840CGN#TR Linear Technology LTC1840 - Dual Fan Controller with 2-Wire Interface; Package: SSOP; Pins: 16; Temperature Range: 0°C to 70°C
LTC1840IGN#PBF Linear Technology LTC1840 - Dual Fan Controller with 2-Wire Interface; Package: SSOP; Pins: 16; Temperature Range: -40°C to 85°C

temperature controlled dc fan Datasheets Context Search

Catalog Datasheet MFG & Type PDF Document Tags
2003 - TEMPERATURE DEPENDENT DC FAN SPEED CONTROL USING

Abstract: temperature dependent dc fan speed control by using thermistor heat sensor simple temperature controlled dc fan simple temperature controlled fan using thermistor 12V FAN CONTROL BY USING THERMISTOR 5V FAN CONTROL BY USING THERMISTOR introduction to simple temperature speed controlled dc fan temperature based fan speed control using microcontroller TEMPERATURE DEPENDENT DC FAN SPEED CONTROL microcontroller based temperature control fan
Text: the DC brushless fan . The fan speed of a DC brushless fan can be driven and controlled by the , speed of a brushless DC fan can be controlled by either varying the voltage applied to it linearly or , issues are: fan excitation, temperature monitoring and fan noise. The circuit in Figure 1 illustrates , task of varying the fan speed based on the temperature that is sensed from the NTC thermistor. The , temperature proportional fan speed control and fan fault detection for two-wire fans can be implemented in a


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PDF ADN001 DS21816A TC647B. TEMPERATURE DEPENDENT DC FAN SPEED CONTROL USING temperature dependent dc fan speed control by using thermistor heat sensor simple temperature controlled dc fan simple temperature controlled fan using thermistor 12V FAN CONTROL BY USING THERMISTOR 5V FAN CONTROL BY USING THERMISTOR introduction to simple temperature speed controlled dc fan temperature based fan speed control using microcontroller TEMPERATURE DEPENDENT DC FAN SPEED CONTROL microcontroller based temperature control fan
fan speed control in plc

Abstract: simple temperature controlled dc fan TEMPERATURE DEPENDENT DC FAN SPEED CONTROL papst 24v 12v relay interface with fan SP10 ntc 2 speed fan control relay unit Papst Plc PCM2000 5 pin relay 12vdc
Text: providing: Temperature dependent speed control is Fan Monitoring provided for up to 6 PAPST DC fans , temperature provided for any number of PAPST DC fans or exceeding the upper selected level T2, a dual , control and monitoring of PAPST DC temperature recorded by any one of the systems providing: fans , 1 3 2 5 4 7 6 9 8 · Low temperature fan shutdown/ standby mode · Fail safe , offers up to 6 PAPST DC fans or blowers fitted with limiting on 5V supply · Operating temperature


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PDF 260VAC 12VDC EN60950 EN55022 160mm 140mm fan speed control in plc simple temperature controlled dc fan TEMPERATURE DEPENDENT DC FAN SPEED CONTROL papst 24v 12v relay interface with fan SP10 ntc 2 speed fan control relay unit Papst Plc PCM2000 5 pin relay 12vdc
24V FAN CONTROL BY USING THERMISTOR

Abstract: exhaust fan circuit square d ehb pwm schematic 12V FAN CONTROL BY USING THERMISTOR balanced microphone schematic Buzzer 12v to 24v dc square wave generator ic low frequency square generator generator speed control circuit 24v input
Text: : "SENSFLOW" With temperature controlled fan , the RPM can be controlled by on board or off board thermistor , DC Fan With Minimum Noise Introductions Every model undergoes rigorous aerodynamic analysis and , COUNTER Z Y DC Fan F.G. FUNCTIONS: By means of waveform & customer's design, schematic can , control o Temperature ( C) Voltoge Rth (Thermistor) FAN Vth o Temperature ( C , precision maintenance-free ball bearing system provides superb reliability. Frame and fan blade meet UL


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PDF 30kHz. 24V FAN CONTROL BY USING THERMISTOR exhaust fan circuit square d ehb pwm schematic 12V FAN CONTROL BY USING THERMISTOR balanced microphone schematic Buzzer 12v to 24v dc square wave generator ic low frequency square generator generator speed control circuit 24v input
heat sensor with fan cooling

Abstract: PWM 12V fan speed control circuit fan speed control using pwm PWM 12V fan speed control heat sensor with fan cooling introduction heat sensor with fan control circuits simple temperature controlled fan simple temperature controlled dc fan heat sensor with fan cooling circuit introduction to simple temperature speed controlled dc fan
Text: power applied to the motor. A 2-wire fan is controlled by adjusting either the dc voltage or pulse , . no fan control 2. on/off control 3. linear (continuous dc ) control 4. low-frequency pulse-width , all. This form of speed control is open-loop. A 3-wire fan can be controlled using the same kind of , indicates whether the fan is running and its rate of speed. The tach signal, when driven by a dc voltage , speed can be controlled at speeds as low as 10% of the fan 's full speed. Figure 2 shows the


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Circuit Schematic Diagram of Fan Speed Control

Abstract: Circuit Schematic Diagram of Fan Speed Control by schematic diagram PWM 24V ,schematic diagram 48v dc motor motor dc fan 48v 9TN24P1H01 9TN48P1H01 C150 UL1430
Text: Inside of DC fan 9TN24P1H01 Pa inch H2O 2.0 VIH=4.75V to 5.25V 100 0 0 1.5 Input Signal Wave Form DC 48V 500 Pa inch H2O 2.0 DC fan input voltage PWM Input Signal , MAXVOLVCE SAT 0.8V MAX Inside of DC fan 0 0 1 0 25 2 50 75 3 5 m3/min 4 0 , Voltage 48V fan PWM Duty - Speed Characteristics Example Sensor output Voltage24V DC 4000 , speed as at 100% of PWM cycle. T This fan speed should be controlled by PWM input signal of


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PDF AWG24 UL1430 150mm Circuit Schematic Diagram of Fan Speed Control Circuit Schematic Diagram of Fan Speed Control by schematic diagram PWM 24V ,schematic diagram 48v dc motor motor dc fan 48v 9TN24P1H01 9TN48P1H01 C150 UL1430
2004 - fans speed with temperature ntc 555

Abstract: 36v DC MOTOR SPEED CONTROLLER schematic control dc fan circuit with 10k ntc eupec dd 82 intech VFC
Text: Fig.1 the dependence of the fan speed with the temperature is shown (supposing a minimum speed of 1329 , Fig.1 Fan Speed (rpm) vs. Temperature Consider only the typical curve (blue line) FanControl , Voltage Controlled Oscillator. The minimum Fan Speed can be adjusted in the range from 750 to 4000 rpm , case of decreasing temperature ) the VCO is controlled by the NTC up to 10% of VDD. If the `NTC' input , typical) 7.5% VDD < VFCin: VCO and fan speed are controlled by the highest between NTC amplified output or


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PDF DS-FanControl-TDA21801 TDA21801 12F-1, fans speed with temperature ntc 555 36v DC MOTOR SPEED CONTROLLER schematic control dc fan circuit with 10k ntc eupec dd 82 intech VFC
2004 - fans speed with temperature ntc 555

Abstract: 555 missing pulse detector 555-timer Thermistor NTC-10 555 VFC smps fan speed control mosfet Marking SAs NTC 10-15 NTC Thermistor 301 VCO Og
Text: dependence of the fan speed with the temperature is shown (supposing a minimum speed of 1329 rpm). The , pin; DC VFCin -0.3 5.5 VRC-VCO -0.3 13.2 Junction temperature TJ -25 125 Storage temperature TS -55 150 Max voltage on `RC-VCO' pin; DC ESD Rating; Human Body Model , frequency of Voltage Controlled Oscillator. The minimum Fan Speed can be adjusted in the range from 750 to , . When the NTC increase back (in case of decreasing temperature ) the VCO is controlled by the NTC up to


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PDF DS-FanControl-TDA21801 TDA21801 fans speed with temperature ntc 555 555 missing pulse detector 555-timer Thermistor NTC-10 555 VFC smps fan speed control mosfet Marking SAs NTC 10-15 NTC Thermistor 301 VCO Og
12V FAN CONTROL BY USING THERMISTOR

Abstract: thermistor pic papst 4312 Papst Multifan Papst Multifan 4312 simple temperature controlled dc fan 4112KX simple temperature controlled fan using thermistor 4112GX TEMPERATURE CONTROLLED 12V DC FAN BY USING A NTC
Text: Management System or as a "stand-a-lone" thermal controller for PAPST 12v DC fans, the PCM 001 is a simple and easy way to provide variable fan speed over a specified temperature range of 20-40°C or 35-55 , provides a start up test after which the fan is controlled down to the operating range specified by the , . Dimensions 65mm x 30mm x 17mm. Order No. PCM 001 PRPST PCM 001 - PAPST 12 VOLT DC FAN OPTIONS Fan Type , Thermistor Connections TEMPERATURE RANGE 20-40"C TEMPERATURE RANGE 35-55"C FAN SUPPLY


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PDF PS/04 12V FAN CONTROL BY USING THERMISTOR thermistor pic papst 4312 Papst Multifan Papst Multifan 4312 simple temperature controlled dc fan 4112KX simple temperature controlled fan using thermistor 4112GX TEMPERATURE CONTROLLED 12V DC FAN BY USING A NTC
2003 - TEMPERATURE CONTROLLED 12V DC FAN BY USING THERM

Abstract: DIGITAL TACHOMETER simple temperature controlled dc fan Remote Controlled Fan Regulator application automatic fan regulator using remote control MAX6664 fdn359an circuit MAX6653EVKIT MAX6653 2N3906
Text: User-Interface Panel · 500mA DC power supply rated at 5V or 12V, depending on the fan · 5V or 12V fan rated , splits and groups the functions of the MAX6653 into three separate categories: Temperature , Fan Control , move the slider to write to the offset register. Temperature conversion rate is controlled by the Local and Remote Temperature Conversion Rate dropdown box. Temperature interrupt enables are controlled , Controls Fan Controls ( Temperature ) Automatic Mode The MAX6653 EV kit software (Figure 1) allows the


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PDF MAX6653 MAX6653/MAX6663/ MAX6664 98/2000/XP-compatible MAX6653/MAX6663/MAX6664 TEMPERATURE CONTROLLED 12V DC FAN BY USING THERM DIGITAL TACHOMETER simple temperature controlled dc fan Remote Controlled Fan Regulator application automatic fan regulator using remote control fdn359an circuit MAX6653EVKIT 2N3906
AUTOMATIC cooling fan control and abstract

Abstract: microcontroller based automatic fan speed control temperature based fan speed control using microcontroller simple temperature controlled dc fan microcontroller based temperature control fan heat sensor with fan cooling application of automatic fan controller heat sensor with fan cooling application microcontroller based automatic fan on and off control speed control temperature dc fan
Text: user. By measuring temperature and adjusting fan speed accordingly, the fan 's speed (and noise level , significantly by varying the fan 's speed based on temperature ; the fan can turn slowly (and very quietly) when , functionality is about to be lost. Controlling fan speed or clock throttling based on temperature requires that , the method of adjusting the fan 's speed. A common method of adjusting the speed of a brushless DC fan , switching a fan on and off or changing speed immediately as temperature changes is acceptable in some


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PDF MAX6653, MAX6660, com/an3173 MAX6653: MAX6660: AN3173, APP3173, Appnote3173, AUTOMATIC cooling fan control and abstract microcontroller based automatic fan speed control temperature based fan speed control using microcontroller simple temperature controlled dc fan microcontroller based temperature control fan heat sensor with fan cooling application of automatic fan controller heat sensor with fan cooling application microcontroller based automatic fan on and off control speed control temperature dc fan
2013 - Fans

Abstract: cooling Advanced Thermal Solutions
Text: , the speed of a brushless DC fan is controlled by varying the input DC voltage. Variable-speed fan , are controlled to the minimum level necessary for cooling. Since fan power consumption is , speed controlled by varying its input voltage and frequency. Beyond fan speed control, there are , DC motor driven fan , one way to improve efficiency is by using more complex three-phase electronic , fan reliabil ity. PWM heating is another source of motor losses, occurring when a DC fan is operated


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2007 - M9S08

Abstract: M9S08Q Frequency Locked Loop FLL DC Motor Speed Controller MC9S08QD4 HCS08 c code example PWM M9S08QD4 tlu 011 an 503 hall sensor TEMPERATURE sensor driven automatic DC motor based FAN SPEED CONTROL system LL4148
Text: Delay Time Control Method 17 Commutation Waveform using PWM Control Method 18 MC9S08QD4 DC Fan Design , 1.1 Introduction This document describes the implementation of a Brushless DC (BLDC) fan , PWM controlled input signal, which in turn controls the fan speed in a closed-loop feedback system , card cooling and system ventilation applications. The lack of a commutator makes the brushless DC fan more reliable than the conventional DC fan . Microcontroller (MCU) based, intelligent, variable-speed


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PDF DRM088 M9S08QD4 DRM088 M9S08 M9S08Q Frequency Locked Loop FLL DC Motor Speed Controller MC9S08QD4 HCS08 c code example PWM M9S08QD4 tlu 011 an 503 hall sensor TEMPERATURE sensor driven automatic DC motor based FAN SPEED CONTROL system LL4148
variable fan speed with temperature sensor

Abstract: 6224N N14188 4214 Fan 8312
Text: Attention: With these fan options, deviations in regard to temperature range, voltage range and power , 7118 N/12 Attention: With these fan options, deviations in regard to temperature range, voltage , Sensor signal /2 Sensor signal US High Condition: Isource V DC mA V DC mA V DC , 250 Electrical connection Fan Sensor operating voltage UBS Speed-proportional rectangular pulse for external speed monitoring of fan motor 2 pulses per revolution / 6 pulses per revolution by


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PDF 125-19/12N/12 160-28/12N/12 160-28/18N/12 variable fan speed with temperature sensor 6224N N14188 4214 Fan 8312
Circuit Schematic Diagram of Fan Speed Control

Abstract: AC fan speed control schematic centrifugal fan 9TM48P4H01 C100 Circuit Schematic Diagram of Fan Speed Control by
Text: ) Expressed as the value at 1m from air inlet side (27) Fan Operating Temperature Range Varies for , speed is the same speed as at 100% of PWM cycle. T 36V This fan speed should be controlled by , 0 100 Inside of DC fan DC fan input voltage 0 0.5 0 10 1.0 20 30 , Ic10mA MAXVOLVCE SAT 0.8V MAX Inside of DC fan 6,000 5,000 Sensor Pull-up , PWM cycle. T 36V This fan speed should be controlled by PWM input signal of either TTL input


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PDF AWG26 UL1007 100mm 500VAC, Circuit Schematic Diagram of Fan Speed Control AC fan speed control schematic centrifugal fan 9TM48P4H01 C100 Circuit Schematic Diagram of Fan Speed Control by
2012 - 1029ARQZ

Abstract: automatic fan controller theory AUTOMATIC FAN CONTROL ACCORDING TEMP
Text: ADM1029 Dual PWM Fan Controller and Temperature Monitor for High Availability Systems The ADM1029 , diodes or an internal temperature sensor, allowing fan speed to be adjusted to keep system temperature , control is enabled, the minimum temperature at which the fan (s) will turn on in automatic speed control , Sensitivity Conversion Time Analog Input or Internal Temperature External Temperature FAN RPM-TO-DIGITAL , produce a dc voltage proportional to DVBE. This voltage is measured by the ADC to give a temperature


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PDF ADM1029 ADM1029/D 1029ARQZ automatic fan controller theory AUTOMATIC FAN CONTROL ACCORDING TEMP
temperature controlled fan regulator

Abstract: application of automatic fan controller AUTOMATIC FAN SPEED CONTROL METHOD AUTOMATIC cooling fan control and abstract automatic fan regulator using remote control temperature controlled dc fan Remote Controlled Fan Regulator application variable fan speed with temperature sensor fan regulator using remote control Remote Controlled Fan Regulator
Text: Maxim > App Notes > Temperature sensors and thermal management Keywords: cooling fan , fan speed control, temperature , brushless dc fan , temperature sensor, fan noise Dec 20, 2001 APPLICATION NOTE , function of temperature is a useful technique for reducing system noise and increasing the fan 's lifetime. Integrated circuits (ICs) that can be used to control fan speed are discussed. Brushless DC fan motors can , of a 4-wire fan . Regulating fan speed When a fan 's speed must be controlled accurately, consider


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PDF MAX6650 MAX6651 com/an896 AN896, APP896, Appnote896, temperature controlled fan regulator application of automatic fan controller AUTOMATIC FAN SPEED CONTROL METHOD AUTOMATIC cooling fan control and abstract automatic fan regulator using remote control temperature controlled dc fan Remote Controlled Fan Regulator application variable fan speed with temperature sensor fan regulator using remote control Remote Controlled Fan Regulator
555 FAN CONTROL BY USING THERMISTOR

Abstract: 12v dc soft start motor fan DELTA fan 555 FAN CONTROL PAN 3504 PWM USING IC 555 TIMER 12v brushless motor fan cpu IEC60529 BUZZER WATERPROOF PWM 12V fan speed control ic 555
Text: function: either in the form of buzzing or LED flashing. BLADE LOCKED OR T1 FAN TEMPERATURE CONTROL : "SENSFLOW" With temperature controlled fan , the RPM can be controlled by on board or off board , increase cooling performance but also reduce system noise with temperature sensor control when the fan is , : o Temperature (C) Voltoge Rth (Thermistor) FAN Vth o Temperature (C) Resistonce , Protection,Over Current Protection, Fan Speed or Temperature Detect,PWM or Voltage Speed Control, Linear


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PDF ISO-9001 TS-16949 D-59494, 555 FAN CONTROL BY USING THERMISTOR 12v dc soft start motor fan DELTA fan 555 FAN CONTROL PAN 3504 PWM USING IC 555 TIMER 12v brushless motor fan cpu IEC60529 BUZZER WATERPROOF PWM 12V fan speed control ic 555
PWM 12V fan speed control ic 555

Abstract: DELTA fan 555 FAN CONTROL BY USING THERMISTOR 555 FAN PWM fan speed control using thermistor soft start circuit 555 timer PWM 555 FAN CONTROL 555 FAN CONTROL BUZZER WATERPROOF buzzer 48vdc
Text: function: either in the form of buzzing or LED flashing. BLADE LOCKED OR T1 FAN TEMPERATURE CONTROL : "SENSFLOW" With temperature controlled fan , the RPM can be controlled by on board or off board , increase cooling performance but also reduce system noise with temperature sensor control when the fan is , : o Temperature (C) Voltoge Rth (Thermistor) FAN Vth o Temperature (C) Resistonce , Protection,Over Current Protection, Fan Speed or Temperature Detect,PWM or Voltage Speed Control, Linear


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PDF ISO-9001 TS-16949 D-59494, PWM 12V fan speed control ic 555 DELTA fan 555 FAN CONTROL BY USING THERMISTOR 555 FAN PWM fan speed control using thermistor soft start circuit 555 timer PWM 555 FAN CONTROL 555 FAN CONTROL BUZZER WATERPROOF buzzer 48vdc
2001 - TRA73

Abstract: No abstract text available
Text: a Dual PWM Fan Controller and Temperature Monitor for High Availability Systems ADM1029 , and Power Consumption Remote and Local Temperature Monitoring Dual Fan Speed Measurement Supports , Internal Temperature External Temperature FAN RPM-TO-DIGITAL CONVERTER Accuracy Full-Scale Count FAN 1 and , this pin defines whether automatic fan speed control is enabled, the minimum temperature at which the , Temperature Error PRODUCT DESCRIPTION R1 ADD R2 GND The ADM1029 is a versatile fan controller and


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PDF ADM1029* ADM1029s 24-Lead RQ-24) C01721 TRA73
2008 - Circuit Schematic Diagram of Fan Speed Control

Abstract: temperature based fan speed control using microcontroller 4 pin hall sensor fan microcontroller based temperature control fan DELTA fan block diagram of microcontroller based tachometer sensor motor DC schematic diagram 12V FAN CONTROL BY Using 1N4148 bldc schematic BLDC Fan Control
Text: speed of the BLDC fan is controlled by varying the potentiometer setting. This is analogues to taking an input from an external temperature sensor. Therefore, the speed of the motor can be controlled , page 7. 12V DC BLDC FAN H-bridge GND Hall Sensor PWM Generator 3.3 V Generator , channel. The input voltage is applied at this pin. The speed of the fan is controlled based on the input , Application Note Z8 Encore! XP® Based BLDC Fan Control Reference Design AN022802


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PDF AN022802-0708 AN0228SC01 Circuit Schematic Diagram of Fan Speed Control temperature based fan speed control using microcontroller 4 pin hall sensor fan microcontroller based temperature control fan DELTA fan block diagram of microcontroller based tachometer sensor motor DC schematic diagram 12V FAN CONTROL BY Using 1N4148 bldc schematic BLDC Fan Control
2012 - temperature controlled fan project using 8051

Abstract: temperature controlled fan project fan speed control 8051 by PWM ac motor variable speed drive psoc controlled fan speed project source code variable speed fan controller fan speed control 8051 control of motor using psoc temperature controlled fan regulation project using 8051 AC fan speed control schematic
Text: controlled , 4-wire brushless DC fans Individual or banked PWM outputs with tachometer inputs Supports 25 , -pole and 6-pole motors Supports fan stall / rotor lock detection on all fans Supports firmware controlled or hardware controlled fan speed regulation Customizable alert pin for fan fault reporting General , measure fan rotational speeds. The component is designed to work with 4-pole DC fans that produce 2 , are controlled . Firmware (CPU) setting is used when user firmware controls fan speed regulation


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2008 - PWM 003

Abstract: PWM 12V fan speed control circuit ST1115J SP-ST1115J-A PWM 12V fan speed control 4 pin hall sensor fan dc brushless fan 12v 3 pin brushless dc motor speed control Hall hall effect sensor tachometer 12v DC MOTOR SPEED CONtrol ic
Text: Control Double Coil Brushless DC Motor Pre-Driver General Specifications This IC is a two-phase, DC brushless fan motor pre-drive with pulse-width modulated (PWM) speed control. The fan speed is controlled by the external PWM command, with an adjustable fan speed versus PWM duty cycle relationship , 1. The fan speed can be controlled by external PWM input signal. The fan speed curve can be , .003.doc :7 Flexible PWM Speed Control Double Coil Brushless DC Motor Pre-Driver SILICON TOUCH


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PDF ST1115J SP-ST1115J-A Tel886-3-5645656 Fax886-3-5645626 PWM 003 PWM 12V fan speed control circuit ST1115J PWM 12V fan speed control 4 pin hall sensor fan dc brushless fan 12v 3 pin brushless dc motor speed control Hall hall effect sensor tachometer 12v DC MOTOR SPEED CONtrol ic
2001 - l8730

Abstract: San "Ace 92" 9wf0624h701 109E17 109p0424h7 9GV0412P3 9CRA0412G501 109p0624h SDT 1000 thermistor 109p0424
Text: Temperature Life Expectancy h -10 to 60 40,000 DC Fan 40mm OptionsUnit : mm Finger , DC San Ace DC San Ace DC COOLING FAN DC COOLING FAN Precautions For Adoption Cautions , 781 392 2132 DC Fan Cooling fan operating at 5V, 12V, 24V, and 48V DC An extensive lineup of , environment 40mm sq. to 120mm sq. Cooling fan that can be controlled in terms of speed depending on the , Thermal Speed Controlled Fan USA SANYO DENKI AMERICA, INC. Detroit Office Techno Service Center


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PDF 4-03A/04 l8730 San "Ace 92" 9wf0624h701 109E17 109p0424h7 9GV0412P3 9CRA0412G501 109p0624h SDT 1000 thermistor 109p0424
2012 - temperature controlled fan project

Abstract: controlled fan speed project
Text: controlled , 4-wire brushless DC fans Individual or banked PWM outputs with tachometer inputs Supports 25 , -pole and 6-pole motors Supports fan stall / rotor lock detection on all fans Supports firmware controlled or hardware controlled fan speed regulation Customizable alert pin for fan fault reporting General , measure fan rotational speeds. The component is designed to work with 4-pole DC fans that produce 2 , controlled . Firmware (CPU) setting is used when user firmware controls fan speed regulation. Firmware can set


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2012 - temperature controlled fan project

Abstract: controlled fan speed project source code variable speed fan controller temperature controlled fan speed using 8051
Text: controlled , 4-wire brushless DC fans Individual or banked PWM outputs with tachometer inputs Supports 25 , -pole and 6-pole motors Supports fan stall / rotor lock detection on all fans Supports firmware controlled or hardware controlled fan speed regulation Customizable alert pin for fan fault reporting , measure fan rotational speeds. The component is designed to work with 4-pole DC fans that produce 2 , are controlled . Firmware (CPU) setting is used when user firmware controls fan speed regulation


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