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TACHOMETER

Catalog Datasheet MFG & Type PDF Document Tags

MAX6551

Abstract: ROHS panasonic /12VDC brushless fans with built-in tachometers. They automatically force the fan's tachometer frequency , close the loop around the tachometer. Tachometer Inputs. Used to monitor tachometers only. Ground 2 , Tachometer-Count Register. Based on the tachometer count, the µC decides if the fan speed requires adjustment, and , Output Single Tachometer (MAX6650) Up to Four Tachometers (MAX6651) Programmable Alert Output GPIOs , monitor the speed of 5VDC/12VDC brush-less fans with built-in open-collector/drain tachometers. Regulating
Maxim Integrated Products
Original
MAX6551 ROHS panasonic MAX6650/MAX6651 U10-2 E16-1

tachometer

Abstract: 4000RPM Maxim > App Notes > Temperature sensors and thermal management Keywords: tachometer, fan speed, rpm Jun 28, 2010 APPLICATION NOTE 4640 Calculating the tachometer register value of the , fan-speed controllers calculate the tachometer register value. The relationship between tachometer resolution and fan speed is also discussed. Calculating the tachometer count To determine the value of the tachometer register for a given fan, you need to know several values: the internal clock frequency
Maxim Integrated Products
Original
MAX6615 MAX6616 APP4640 tachometer 4000RPM Tachometer circuit rpm counter MAX6615/MAX6616 AN4640

H7ER-BV2

Abstract: H7ER-SBV Tachometers H7ER Subminiature Tachometer Requires No External Power Supply s s s s s s , selectors, located under a flip-up cover on the tachometer. Settings and accurately-displayed values depend , ) RPM settings (x) Refer to table below to set tachometer. s SETTING PROCEDURE The table below , pliers) to tighten the nut. Excessive tightening may damage the tachometer. Wire-wrap terminal models , Information s TACHOMETER Operating mode Display Reset system Number of digits* Count input Max
OMRON
Original
H7ER-BV2 H7ER-SBV digital tachometer types H7ER-BV 3.5 digits lcd display tachometer H7ER OMRON 1-800-55-OMRON 6/98/26M

MAX6551

Abstract: digital tachometer directly. The µC reads the fan speed from the Tachometer-Count Register. Based on the tachometer count , interface to regulate and monitor the speed of 5VDC/12VDC brushless fans with built-in tachometers. They , Tachometer Output Single Tachometer (MAX6650) Up to Four Tachometers (MAX6651) Programmable Alert Output , Power Supply 10 15 FB Tachometer Input. Used to close the loop around the tachometer. Tachometer Inputs. Used to monitor tachometers only. General-Purpose Input/Output (open drain) Feedback
Maxim Integrated Products
Original
digital tachometer brushless FAN ADDA 5101 fb MAX6650EUB MAX6651EEE Sunon 80 x 80 x 25 dc fans

variable dutycycle square wave generator circuit

Abstract: max6640s To measure the fan speed, the MAX6640 has two tachometers. Each tachometer has an accurate internal , dissipation increases. Speed control is accomplished by tachometer feedback from the fan, so that the speed , Frequency Error -10 +10 % ±4 % Tachometer Accuracy Remote-Diode Sourcing Current DXN , Tachometer Inputs. Connect to the tachometer output of the fan. TACH_ requires a pullup resistor. The pullup , tachometer pulses for a fan with four poles. When the PWM signal is used to directly modulate the fan's power
Maxim Integrated Products
Original
MAX6640AEE MAX6640ATE variable dutycycle square wave generator circuit max6640s tachometer chip 2N3904 2N3906 CMPT3906 T1655-2

wpt-440f

Abstract: IE-0575HLG displays the hardware block diagram for the Z8 Encore! XP® tachometer. Note: Any general-purpose , , which is the basic function of a tachometer. Z8 Encore! XP microcontrollers feature both internal and , testing the functionality of the Z8 Encore! XP MCU based tachometer. Figure 4 on page 3 displays the , . Launch ZDS II and open the tachometer.pro program. Download this program to the Z8 Encore! XP , Application Note Using Z8 Encore! XP® MCU as a Tachometer AN018302­1207 Abstract This
ZiLOG
Original
wpt-440f IE-0575HLG block diagram of microcontroller based tachometer Microcontroller based tachometer wpt-440 IE 0575HLG AN0183SC01

TACHOMETER

Abstract: tachometers. Each tachometer has an accurate internal clock to count the time elapsed in one revolution. Therefore, it is counting the time between two tachometer pulses for a fan with four poles. When the PWM , tachometer feedback from the fan, so that the speed of the fan is controlled, not just the PWM duty cycle , Error Tachometer Accuracy Remote-Diode Sourcing Current DXN Source Voltage VCC = 3.135V to 3.345V, +60°C , . Tachometer Inputs. Connect to the tachometer output of the fan. TACH_ requires a pullup resistor. The pullup
Maxim Integrated Products
Original

circuit diagram of 3 wire fan with tachometer

Abstract: measure the fan speed, the MAX6640 has two tachometers. Each tachometer has an accurate internal clock to count the time elapsed in one revolution. Therefore, it is counting the time between two tachometer , tachometer feedback from the fan, so that the speed of the fan is controlled, not just the PWM duty cycle , Error Tachometer Accuracy Remote-Diode Sourcing Current DXN Source Voltage VCC = 3.135V to 3.345V, +60°C , as 13.5V, regardless of the MAX6640's supply voltage. Tachometer Inputs. Connect to the tachometer
Maxim Integrated Products
Original
circuit diagram of 3 wire fan with tachometer AX6640

2N3904

Abstract: 2N3906 status bit. TACH1 and TACH2 Inputs To measure the fan speed, the MAX6639 has two tachometers. Each tachometer has an accurate internal clock to count the time elapsed in one revolution. Therefore, it is , when power dissipation increases. Speed control is accomplished by tachometer feedback from the fan , % Tachometer Accuracy Remote-Diode Sourcing Current DXN Source Voltage 2 TA = +60°C to , Tachometer Inputs. Connect to the tachometer output of the fan. TACH_ requires a pullup resistor. The pullup
Maxim Integrated Products
Original
MAX6639F MAX6639AEE MAX6639ATE MAX6639FAEE MAX6639/MAX6639F

24V DC brushless fan regulator circuit

Abstract: optical Tachometer circuit closes the loop around the tachometer. This approach provides essentially linear control over the full , article presents 12V, 24V, and 48V designs, as well as isolated versions. Tachometer feedback for speed , of motors with tachometer outputs facilitates the design of these circuits. The basic fan-control , . While often used with fans equipped with tachometer outputs, the ICs only use these tachometer signals to monitor fan speed and determine if speed falls below "watchdog" limits. Because these tachometer
Maxim Integrated Products
Original
MAX1669 AN809 APP809 24V DC brushless fan regulator circuit optical Tachometer circuit Optical tachometer Tachometer circuit 2011 24v to 48v dc fan from brushless jerry steele MAX630 MAX633

TACHOMETER using in lm2907 IC

Abstract: IC LM2907 frequency reaches or exceeds a selected rate. The tachometer uses a charge pump technique and offers , tachometer and has a floating transistor as its output. This feature allows either a ground or supply , basic configurations offered include an 8-pin device with a ground referenced tachometer input and an internal connection between the tachometer output and the op amp non-inverting input. This version is well , applications. The more versatile configurations provide differential tachometer input and uncommitted op amp
National Semiconductor
Original
LM2907 LM2917 LM2907-8 LM2917-8 TACHOMETER using in lm2907 IC IC LM2907 block diagram of tachometer IC LM2907 ic diagram with notes schematic diagram dwell meter LM2907/LM2917 LM2917M-8

LM2917

Abstract: ac tachometer with lm2907N , lamp, or other load when the input frequency reaches or exceeds a selected rate. The tachometer uses a , /comparator is fully compatible with the tachometer and has a floating transistor as its output. This feature , ground referenced tachometer input and an internal connection between the tachometer output and the op , differential tachometer input and uncommitted op amp inputs. With this version the tachometer input may be floated and the op amp becomes suitable for active filter conditioning of the tachometer output. Both of
National Semiconductor
Original
ac tachometer with lm2907N LM2907 voltage range Magnetic Tachometer schematic diagram RPM meter LM2917N OVERSPEED MAGNETIC 1V-10V

digital tachometer

Abstract: 2N3904 status bit. TACH1 and TACH2 Inputs To measure the fan speed, the MAX6639 has two tachometers. Each tachometer has an accurate internal clock to count the time elapsed in one revolution. Therefore, it is , dissipation increases. Speed control is accomplished by tachometer feedback from the fan, so that the speed , % Tachometer Accuracy Remote-Diode Sourcing Current DXN Source Voltage 2 TA = +60°C to , Tachometer Inputs. Connect to the tachometer output of the fan. TACH_ requires a pullup resistor. The pullup
Maxim Integrated Products
Original
Abstract: and TACH2 Inputs To measure the fan speed, the MAX6639 has two tachometers. Each tachometer has an , power dissipation increases. Speed control is accomplished by tachometer feedback from the fan, so that , Resolution Conversion Time Conversion-Rate Timing Error PWM Frequency Error Tachometer Accuracy Remote-Diode , . Tachometer Inputs. Connect to the tachometer output of the fan. TACH_ requires a pullup resistor. The pullup , between two tachometer pulses for a fan with four poles. When the PWM signal is used to directly modulate Maxim Integrated Products
Original

AC Tachometer circuit diagram

Abstract: Inputs To measure the fan speed, the MAX6639 has two tachometers. Each tachometer has an accurate , by tachometer feedback from the fan, so that the speed of the fan is controlled, not just the PWM , Timing Error -10 +10 % PWM Frequency Error -10 +10 % ±3 % Tachometer , '™s supply voltage. 2, 16 4, 2 TACH2, TACH1 Tachometer Inputs. Connect to the tachometer , two tachometer pulses for a fan with four poles. When the PWM signal is used to directly modulate the
Maxim Integrated Products
Original
AC Tachometer circuit diagram T1655

Magnetic Tachometer

Abstract: lm2907 application selected rate. The tachometer uses a charge pump technique and offers frequency doubling for low ripple , zero frequency input. The op amp/comparator is fully compatible with the tachometer and has a floating , an 8-pin device with a ground referenced tachometer input and an internal connection between the tachometer output and the op amp non-inverting input. This version is well suited for single speed or , configurations provide differential tachometer input and uncommitted op amp inputs. With this version the
National Semiconductor
Original
LM2907EP lm2907 application LM2907MX-8EP LM2917EP LM2917MXEP zener regulator lm2917 LM2907EP/LM2917EP LP2917EP LM2907-8EP LM2917-8EP CSP-9-111C2

brushless FAN ADDA

Abstract: max6550 close the loop around the tachometer. Tachometer Inputs. Used to monitor tachometers only. Ground 2 , Tachometer-Count Register. Based on the tachometer count, the µC decides if the fan speed requires adjustment, and , regulate and monitor the speed of 5VDC/12VDC brushless fans with built-in tachometers. They automatically force the fan's tachometer frequency (fan speed) to match a preprogrammed value in the Fan-Speed , monitor the speed of 5VDC/12VDC brush-less fans with built-in open-collector/drain tachometers. Regulating
Maxim Integrated Products
Original
max6550 panaflo dc brushless Panaflo Panaflo fb 3825RPM sunon fan 4 pin 10LUMAX

circuit diagram of 3 wire fan with tachometer

Abstract: close the loop around the tachometer. Tachometer Inputs. Used to monitor tachometers only. Ground 2 , Tachometer-Count Register. Based on the tachometer count, the µC decides if the fan speed requires adjustment, and , regulate and monitor the speed of 5VDC/12VDC brushless fans with built-in tachometers. They automatically , Tachometer (MAX6650) Up to Four Tachometers (MAX6651) Programmable Alert Output GPIOs Hardware Full-On , monitor the speed of 5VDC/12VDC brush-less fans with built-in open-collector/drain tachometers. Regulating
Maxim Integrated Products
Original

DS007942-2

Abstract: "frequency to Voltage Converter" , lamp, or other load when the input frequency reaches or exceeds a selected rate. The tachometer uses a , /comparator is fully compatible with the tachometer and has a floating transistor as its output. This feature , ground referenced tachometer input and an internal connection between the tachometer output and the op , differential tachometer input and uncommitted op amp inputs. With this version the tachometer input may be floated and the op amp becomes suitable for active filter conditioning of the tachometer output. Both of
National Semiconductor
Original
DS007942-2 TACHOMETER using in lm2917 IC DS007942-3 LM2917N-8 LM29

TACHOMETER using in lm2907 IC

Abstract: IC LM2907 , lamp, or other load when the input frequency reaches or exceeds a selected rate. The tachometer uses a , /comparator is fully compatible with the tachometer and has a floating transistor as its output. This feature , ground referenced tachometer input and an internal connection between the tachometer output and the op , differential tachometer input and uncommitted op amp inputs. With this version the tachometer input may be floated and the op amp becomes suitable for active filter conditioning of the tachometer output. Both of
National Semiconductor
Original
DIGITAL RPM METER SCHEMATIC lm2917n ic pin diagram of LM2907 LM2907N LM2917N magnetic pickup
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