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Infineon Controller Technical
Infineon Controller Technical

... . The purpose here is to assist user’s understanding of the features available on the Chinese-made Infineon digital controller. The Infineon Micro Control Unit (MCU) is the heart of the controller printed circuit board (pcb). The MCU currently in use by the Chinese pcb vendor is the XC846 chip. The ...
Irradiation tests of voltage limiters
Irradiation tests of voltage limiters

Design_Considerations_for_High_Step
Design_Considerations_for_High_Step

... Low side (Sync) MOSFET is selected to have low rds on since for low output voltages, sync fet conducts for higher duty cycle, thus conduction losses are the dominant factors. MOSFET driver plays a significant role in determining the efficiency of the circuit. Rdson of MOSFET is inversely proportiona ...
ZXBM1021 Description Pin Assignments
ZXBM1021 Description Pin Assignments

... inputs by the end of this period, motor re-enters motor lock TOFF period with outputs disabled. Once the fan is running normally at the end of a soft-start period, the motor is deemed as running and goes into lock-detection mode. The time periods of TSS, TLCKDET and TOFF are determined by the value ...
Voltage Harmonics Measuring Issues in Medium Voltage
Voltage Harmonics Measuring Issues in Medium Voltage

... measurements in which voltage transformers are commonly used. The transfer ratio of a voltage transformer fed by distorted primary voltage with harmonic components of frequency higher than fundamental can be different for high frequency components in comparison with the fundamental frequency. During ...
LAMPIRAN B DATASHEET Wirewound 3590 ................................................................................................................   B – 2
LAMPIRAN B DATASHEET Wirewound 3590 ................................................................................................................ B – 2

... With single supply operation, careful attention should be paid to input common-mode range, output voltage swing of both op amps, and the voltage applied to the IAREF terminal. VIN+ and VIN– must both be 1V above ground for linear operation. You cannot, for instance, connect the inverting input to gr ...
NRD1-6_Rev.0110 - pes-psrc
NRD1-6_Rev.0110 - pes-psrc

... the frequency and voltage of the generator. See: manual synchronizing system, semiautomatic synchronizing system, synchronizing relay, synchronism check relay. Breaker-and-a-half. A configuration of three circuit breakers in series between two buses with a line, transformer, generator or other circu ...
HIGH CURRENT SWITCHING REGULATORS
HIGH CURRENT SWITCHING REGULATORS

Decimal Numbers Grade 5
Decimal Numbers Grade 5

... For more such worksheets visit www.edugain.com ...
Constant Voltage / Constant Current Secondary
Constant Voltage / Constant Current Secondary

... amplifier specifically designed for the current control. Key external components needed to complete the two control loops are: (a) A resistor divider that senses the output of the power supply (battery charger) and fixes the voltage regulation set point at the specified value. (b) A sense resistor t ...
EE 1272327
EE 1272327

... L results in increasing attention on Z-source inverter, Fig.1. Circuit diagram of a 3-phase Z-source inverter especially for the application where the input DC source has a wide voltage range, such as fuel cell An additional parameter is introduced in Zmotor drive system and the photovoltaic (PV) gr ...
Level Shifted Pulse Width Modulation in Three Phase Multilevel
Level Shifted Pulse Width Modulation in Three Phase Multilevel

SIOV metal oxide varistors, Selection procedure
SIOV metal oxide varistors, Selection procedure

... Metal oxide varistors can be connected in parallel to achieve higher current load capabilities or higher energy absorption than can be obtained with single components. To this end, the intended operating point in the surge current region (see chapter “General technical information”, section 1.5) mus ...
Senior Design I - UCF EECS - University of Central Florida
Senior Design I - UCF EECS - University of Central Florida

... Antenna length The wave equation velocity = lambda*resonant frequency can be used to obtain the length of the receiving coil. c = lambda*f lambda = c/f = c*2*pi*L x *C x This should be the length of antenna that we will need. ...
UC2577-ADJ 数据资料 dataSheet 下载
UC2577-ADJ 数据资料 dataSheet 下载

... Transformer Coupled Forward Regulators ...
Application Note No. 7038
Application Note No. 7038

... If on loadside of the final Branch Circuit overcurrent device and MMP is marked “Suitable as Motor Disconnect” Must be part of a listed combination, typically from same manufacturer Cost increases as interrupting rating increases Limits application to solidly grounded wye systems only, not permitted ...
AS1360
AS1360

... the freedom of the described devices from patent infringement. austriamicrosystems AG reserves the right to change specifications and prices at any time and without notice. Therefore, prior to designing this product into a system, it is necessary to check with austriamicrosystems AG for current info ...
chiropractic physiological therapeutics
chiropractic physiological therapeutics

... cools the tissues by drawing heat away to other areas of the body, where it can be dispersed, but also brings greater than normal amounts of oxygen and nutrients into the area.  The rates of chemical reactions, especially those of cell metabolism, are dramatically increased by the rise in temperatu ...
Magnetic Components Test Solution
Magnetic Components Test Solution

... All magnetic components have a BH curve and will often be magnetized in electronic circuits. When the working current (I) is increased, the magnetic field intensity (H) and magnetic flux density (B) will increase as well. When the current continues to increase, the increment of magnetic flux density ...
Low Capacitance ESD Protection for High Speed Video Interface
Low Capacitance ESD Protection for High Speed Video Interface

... Figure 6. Diagram of ESD Clamping Voltage Test Setup The following is taken from Application Note AND8308/D − Interpretation of Datasheet Parameters for ESD Devices. ...
Document
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AP65402 - Diodes Incorporated
AP65402 - Diodes Incorporated

... protection feature gets activated. The internal thermal sense circuitry turns the IC off thus preventing the power switch from damage. A hysteresis in the thermal sense circuit allows the device to cool down to approximately +120°C before the IC is enabled again through soft start. This thermal hyst ...
MAX15059 Evaluation Kit Evaluates: General Description Features
MAX15059 Evaluation Kit Evaluates: General Description Features

VIPer100 THE MOST ADVANCED MONLITHIC SOLUTION FOR
VIPer100 THE MOST ADVANCED MONLITHIC SOLUTION FOR

What does it mean V0 residual voltage External
What does it mean V0 residual voltage External

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Stepper motor



A stepper motor or step motor or stepping motor is a brushless DC electric motor that divides a full rotation into a number of equal steps. The motor's position can then be commanded to move and hold at one of these steps without any feedback sensor (an open-loop controller), as long as the motor is carefully sized to the application in respect to torque and speed.Switched reluctance motors are very large stepping motors with a reduced pole count, and generally are closed-loop commutated.
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